Vargo Lab Publications
172. Xu, Y., E. L. Vargo, K. Tsuji, R. Wylie. 2022. Exotic Ants of the Asia-Pacific: Invasion, National Response, and Ongoing Needs. Annual Review of Entomology 67(1): 27-42. DOI: 10.1146/annurev-ento-060721-085603. PDF File
171. Da Silva, L. H. B., C. Jost, E. L. Vargo, A. M. Costa-Leonardo, I. Haifig. 2022. Incipient colonies of the neotropical termite Cornitermes cumulans (Isoptera: Termitidae): comparing monogamy and polygamy as reproductive strategies. Insectes Sociaux 69(1): 99-104. DOI: 10.1007/s00040-022-00852-w. PDF File
170. Dunn, R. R., J. R. Burger, E. J. Carlen, A. M. Koltz, J. E. Light, R. A. Martin, J. Munshi-South, L. M. Nichols, E. L. Vargo, S. Yitbarek, Y. Zhao, A. Cibrián-Jaramillo. 2022. A Theory of City Biogeography and the Origin of Urban Species. Frontiers in Conservation Science 3. DOI: 10.3389/fcosc.2022.761449. PDF File
169. Eyer, P.-A., E. L. Vargo. 2022. Short and long-term costs of inbreeding in the lifelong-partnership in a termite. Communications Biology 5(1): 389. DOI: 10.1038/s42003-022-03317-9. PDF File
168. Kjeldgaard, M. K., P.-A. Eyer, C. C. McMichael, A. A. Bockoven, J. T. King, A. Hyodo, T. W. Boutton, E. L. Vargo, M. D. Eubanks. 2022. Distinct colony boundaries and larval discrimination in polygyne red imported fire ants (Solenopsis invicta). Molecular Ecology 31(3): 1007-1020. DOI: 10.1111/mec.16264. PDF File
167. Lei, J., Y. Tan, F. List, R. Puckett, A. M. Tarone, E. L. Vargo, K. Zhu-Salzman. 2022. Cloning and Functional Characterization of a Double-Stranded RNA-Degrading Nuclease in the Tawny Crazy Ant (Nylanderia fulva). Frontiers in Physiology 13. DOI: 10.3389/fphys.2022.833652. PDF File
166. Lewis, C. D., B. A. Levine, C. Schal, E. L. Vargo, W. Booth. 2022. Decade long upsurge in mutations associated with pyrethroid resistance in bed bug populations in the USA. Journal of Pest Science. DOI: 10.1007/s10340-022-01505-4. PDF File
165. List, F., A. M. Tarone, K. Zhu-Salzman, E. L. Vargo. 2022. RNA meets toxicology: efficacy indicators from the experimental design of RNAi studies for insect pest management. Pest Management Science. DOI: 10.1002/ps.6884. PDF File
164. Shults, P., P.-A. Eyer, M. Moran, M. Chura, A. Ko, E. L. Vargo. 2022. Assessing colony elimination in multicolonial ants: Estimating field efficacy of insecticidal baits against the invasive dark rover ant (Brachymyrmex patagonicus). Pest Management Science. DOI: 10.1002/ps.6849. PDF File
163. Shults, P., M. Hopken, P.-A. Eyer, A. Blumenfeld, M. Mateos, L. W. Cohnstaedt, E. L. Vargo. 2022. Species delimitation and mitonuclear discordance within a species complex of biting midges. Scientific Reports 12(1): 1730. DOI: 10.1038/s41598-022-05856-x. PDF File
162 Shults, P., M. Moran, A. J. Blumenfeld, E. L. Vargo, L. W. Cohnstaedt, P.-A. Eyer. 2022. Development of microsatellite markers for population genetics of biting midges and a potential tool for species identification of Culicoides sonorensis Wirth & Jones. Parasites & Vectors 15(1): 69. DOI: 10.1186/s13071-022-05189-8. PDF File
161. Travanty, N. V., E. L. Vargo, C. Schal, C. S. Apperson, L. Ponnusamy. 2022. Bacterial Isolates Derived from Nest Soil Affect the Attraction and Digging Behavior of Workers of the Red Imported Fire Ant, Solenopsis invicta Buren. Insects 13(5): 444. DOI: 10.3390/insects13050444. PDF File
160. Balvín, O., M. Sasínková, J. Martinů, M. Nazarizadeh, T. Bubová, W. Booth, E. L. Vargo, J. Štefka. 2021. Early evidence of establishment of the tropical bedbug (Cimex hemipterus) in Central Europe. Medical and Veterinary Entomology 35(3): 462-467. DOI: 10.1111/mve.12522. PDF File
159. Blumenfeld, A. J., P.-A. Eyer, A. M. Helms, G. Buczkowski, E. L. Vargo. 2021. Consistent signatures of urban adaptation in a native, urban invader ant Tapinoma sessile. Molecular Ecology. DOI: 10.1111/mec.16188. PDF File
158. Eyer, P.-A., A. J. Blumenfeld, L. N. L. Johnson, E. Perdereau, P. Shults, S. Wang, F. Dedeine, S. Dupont, A.-G. Bagnères, E. L. Vargo. 2021. Extensive human-mediated jump dispersal within and across the native and introduced ranges of the invasive termite Reticulitermes flavipes. Molecular Ecology 30(16): 3948-3964. DOI: 10.1111/mec.16022. PDF File
157. Eyer, P.-A., M. N. Moran, A. J. Blumenfeld, E. L. Vargo. 2021. Development of a Set of Microsatellite Markers to Investigate Sexually Antagonistic Selection in the Invasive Ant Nylanderia fulva. Insects 12(7): 643. PDF File
156. Janowiecki, M., E. L. Vargo. 2021. Seasonal Activity, Spatial Distribution, and Physiological Limits of Subterranean Termites (Reticulitermes Species) in an East Texas Forest. Insects 12(2): 86. PDF File
155. Janowiecki, M. A., J. W. Austin, A. L. Szalanski, E. L. Vargo. 2021. Identification of Reticulitermes Subterranean Termites (Blattodea: Rhinotermitidae) in the Eastern United States Using Inter-Simple Sequence Repeats. Journal of Economic Entomology 114(3): 1242-1248. DOI: 10.1093/jee/toab028. PDF File
154. Travanty, N. V., E. L. Vargo, C. S. Apperson, L. Ponnusamy. 2021. Colonization by the Red Imported Fire Ant, Solenopsis invicta, Modifies Soil Bacterial Communities. Microbial Ecology DOI: 10.1007/s00248-021-01826-4. PDF File
153. Aguero, C. M., P.-A Eyer, T. L. Crippen, E. L. Vargo. 2021. Reduced environmental microbial diversity on the cuticle and in the galleries of a subterranean termite compared to surrounding soil. Microbial Ecology 81(4): 1054-1063. DOI: 10.1007/s00248-020-01664-w. PDF File
152. Aguero, C. M., P.-A. Eyer, J. S. Martin, M. S. Bulmer, E. L. Vargo. 2021. Natural variation in colony inbreeding does not influence susceptibility to a fungal pathogen in a termite. Ecology and Evolution 11(7): 3072-3083. DOI: 10.1002/ece3.7233. PDF File
151. Blumenfeld, A. J., P.-A. Eyer, C. Husseneder, J. Mo, L. N. L. Johnson, C. Wang, J. K. Grace, T. Chouvenc, S. Wang, E. L. Vargo. 2021. Bridgehead effect and multiple introductions shape the global invasion history of a termite. Communications Biology 4(1): 196. DOI: 10.1038/s42003-021-01725-x. PDF File
150. Eyer, P.-A., J. Salin, A. M. Helms, E. L. Vargo. 2021. Distinct chemical blends produced by different reproductive castes in the subterranean termite Reticulitermes flavipes. Scientific Reports 11(1): 4471. DOI: 10.1038/s41598-021-83976-6. PDF File
149. Eyer, P.-A., P. T. Shults, M. R. Chura, M. N. Moran, M. N. Thompson, A. M. Helms, R. K. Saran, E. L. Vargo. 2021. Divide and conquer: Multicolonial structure, nestmate recognition, and antagonistic behaviors in dense populations of the invasive ant Brachymyrmex patagonicus. Ecology and Evolution 11(9): 4874-4886. DOI: 10.1002/ece3.7396. PDF File
148. Eyer, P.-A., E. L. Vargo. 2021. Breeding structure and invasiveness in social insects. Current Opinion in Insect Science 46: 24-30. DOI: 10.1016/j.cois.2021.01.004. PDF File
147. Eyer, P.-A., E. L. Vargo, C. Peeters. 2021. One tree, many colonies: colony structure, breeding system and colonization events of host trees in tunnelling Melissotarsus ants. Biological Journal of the Linnean Society 133(1): 237-248. DOI: 10.1093/biolinnean/blab026. PDF File
146. Shults, P., S. Richardson, P.-A. Eyer, M. R. Chura, H. Barreda, R. W. Davis, E. L. Vargo. 2021. Area-wide elimination of subterranean termite colonies using a Novaluron bait. Insects 12(3): 192. DOI: 10.3390/insects12030192. PDF File
145. Walsh, E. M., M. A. Janowiecki, K. Zhu, N. H. Ing, E. L. Vargo, J. Rangel. 2020. Elevated Mating Frequency in Honey Bee (Hymenoptera: Apidae) Queens Exposed to the Miticide Amitraz During Development. Annals of the Entomological Society of America 114(5): 620-626. DOI: 10.1093/aesa/saaa041. PDF File
144. Blumenfeld, A., E. L. Vargo. 2020. Geography, opportunity and bridgeheads facilitate termite invasions to the United States. Biological Invasions 22(11): 3269-3282. DOI: 10.1007/s10530-020-02322-5. PDF File
143. Aguero, C., P. A. Eyer, E. L. Vargo. 2020. Increased genetic diversity from colony merging does not improve immunity to a fungal pathogen in the termite Reticulitermes flavipes. Scientific Reports 10: 4212. DOI: 10.1038/s41598-020-61278-7. PDF File
142. Lewis, C. D., B. A. Levine, E. L. Vargo, C. Schal, W. Booth. 2020. Recent detection of multiple populations of the tropical bed bug (Hemiptera: Cimicidae) exhibiting putative kdr-associated mutations in Hawaii. Journal of Medical Entomology 57: 1077-1081. DOI: 10.1093/jme/tjaa022. PDF File
141. Shults, P., A. Ho, E. M. Martin, B. L. McGregor, E. L. Vargo. 2020. Genetic diversity of Culicoides stellifer (Diptera: Ceratopogonidae) in the Southeastern United States compared with sequences from Ontario, Canada. Journal of Medical Entomology 57: 1324-1327. DOI: 10.1093/jme/tjaa025. PDF File
140. Eyer, P.-A., E. Espinoza, A. J. Blumenfeld, E. L. Vargo. 2020. The underdog invader: breeding system and colony structure of the dark rover ant Brachymyrmex patagonicus. Ecology and Evolution 10: 493-505. DOI: 10.1002/ece3.5917. PDF File
139. Janowiecki, M., E. Clifton, A. Avalos, E. L. Vargo. 2020. Upper thermal tolerance of tropical and temperate termite species (Isoptera: Rhinotermitidae, Termitidae): a test of the climate variability hypothesis in termites. Insectes Sociaux 67: 51-57. DOI: 10.1007/s00040-019-00727-7. PDF File
138. Janowiecki, M., A. D. Tripodi, E. L. Vargo, A. L. Szalanski. 2019. Colony breeding structure of Reticulitermes (Isoptera: Rhinotermitidae) in Northwest Arkansas. Sociobiology 66: 500-507. DOI: 10.13102/sociobiology.v66i3.4376. PDF File
137. da Silva, I. B., I. Haifig, E. L. Vargo, F. E. Casarin, M. L. da Mota, J. Toledo Lima, A. M. Costa-Leonardo. 2019. Ergatoid reproductives in the Neotropical termite Nasutitermes aquilinus (Holmgren) (Blattaria: Isoptera: Termitidae): developmental origin, fecundity, and genetics. Insect Science. DOI: 10.1111/1744-7917.12727. PDF File
136. Eyer, P.-A., A. J. Blumenfeld, E. L. Vargo. 2019. Sexually antagonistic selection: Genetic divergence between males and females maintains diversity in an invasive ant. Proceedings of the National Academy of Sciences, U.S.A 116: 24157-24163. DOI: 10.1073/pnas.1906568116. PDF File
135. Thorne, B. L., E. L. Vargo, E. S. Adams, L. N. Johnson. 2019. Genetic analysis of invasive conehead termites, Nasutitermes corniger (Blattodea: Termitidae), reveals a single origin for two populations in Florida. Journal of Economic Entomology. DOI: 10.1093/jee/toz227. PDF File
134. Funaro, C. F., C. Schal, E. L. Vargo. 2019. Queen and king recognition in the subterranean termite, Reticulitermes flavipes: Evidence for royal recognition pheromones. PLoS ONE 14: e0209810. DOI: 10.1371/journal.pone.0209810. PDF File
133. Vargo, E. L. 2019. Diversity of termite breeding systems. Insects 10: 52. DOI: 10.3390/insects10020052. PDF File
132. Eyer P.A., McDowell B., Johnson L.N.L., Calcaterra L.A., Fernandez, M.B., Shoemaker D., Puckett R.T., Vargo E.L. 2018. Supercolonial structure of invasive populations of the tawny crazy ant Nylanderia fulva in the US. BMC Evolutionary Biology 18:209. DOI: 10.1186/s12862-018-1336-5. PDF File
131. Eyer, P.A., K. Matsuura, E. L. Vargo, K. Kobayashi, T. Yashiro, W. Suehiro, C. Himuro, T. Yokoi, B. Guénard, R. R. Dunn, K. Tsuji. 2018. Inbreeding tolerance as a pre-adapted trait for invasion success in the invasive ant Brachyponera chinensis. Molecular Ecology 27: 4711-4724. DOI: 10.1111/mec.14910. PDF File
130. Meng, J., J. Lei, A. Davitt, J. Holt, J. Huang, R., Gold, E. L. Vargo, A. M. Tarone, K. Zhu-Salzman. 2018. Suppressing tawny crazy ant (Nylanderia fulva) by RNAi technology. Insect Science. DOI: 10.1111/1744-7917.12604. PDF File
129. Matsuura, K., N. Mizumoto, K. Kobayashi, T. Nozaki, T. Fujita, T. Yashiro, T. Fuchikawa, Y. Mitaka, E. L. Vargo. 2018. A genomic imprinting model of termite caste determination: not genetic but epigenetic inheritance influences offspring caste fate. American Naturalist 191: 677-690. DOI: 10.1086/697238. PDF File
128. Zheng, C., L. Zeng, F. Yang, E. Vargo, X. Xu. 2018. Genetic diversity and colony structure of the ghost ant, Tapinoma melanocephalum on the islands and mainland of South China. Ecology and Evolution 8: 5427-5440. DOI: 10.1002/ece3.4065. PDF File
127. Funaro, C., K. Böröczky, E. L. Vargo, C. Schal. 2018. Identification of a queen and king recognition pheromone in the subterranean termite, Reticulitermes flavipes. Proceedings of the National Academy of Sciences, U.S.A. 115: 3888-3893. DOI: 10.1073/pnas.1721419115. PDF File
126. Jones, S. C., E. L. Vargo, T. C. Keefer, P. Labadie, C. W. Scherer, N. T. Gallagher, R. E. Gold. 2017. Efficacy of chlorantraniliprole in controlling structural infestations of the eastern subterranean termite in the USA. Insects 8: 92. DOI: 10.3390/insects8030092. PDF File
125. Suehiro, W., F. Hyodo, H. O. Tanaka, C. Himuro, T. Yokoi, S. Dobata, B. Guénard, R. R. Dunn, E. L. Vargo, K. Tsuji and K. Matsuura. 2017. Radiocarbon analysis reveals expanded diet breadth associates with the invasion of a predatory ant. Scientific Reports 7: 15016. DOI: 10.1038/s41598-017-15105-1. PDF File
124. Zhu, J., A. Dhammi, J. B. van Kretschmar, E. L. Vargo, C. S. Apperson, R. M. Roe. 2017. Novel use of aliphatic n-methyl ketones as a fumigant and alternative to methyl bromide for insect control. Pest Management Science. DOI: 10.1002/ps.4749. PDF File
123. Burford Reiskind, M. O., K. Coyle, H. V. Daniels, P. Labadie, M. H. Reiskind, N. B. Roberts, R. B. Roberts, E. L. Vargo and J. Schaff. 2016. Development of a universal double-digest RAD sequencing approach for a group of non-model, ecologically and economically important insect and fish taxa. Molecular Ecology Resources 16: 1303-1314. DOI: 10.1111/1755-0998.12527. PDF File
122. Lefebvre, T., M. Kutnik, M. Zimmermann, S. Dupont, E. L. Vargo and A. –G. Bagnères. 2016. Subterranean termite phylogeography reveals multiple postglacial colonization events in southwestern Europe. Ecology and Evolution 6: 5987-6004. DOI: 10.1002/ece3.2333. PDF File
121. Raab, R. W., J. E. Moore, E. L. Vargo, L. Rose, J. Raab, M. Culbreth, G. Burzumato, A. Koyee, B, McCarthy, J. Raffaele, C. Schal and R. Vaidyanathan. 2016. New introduction, spread of existing matrilines, and high rates of pyrethroid resistance result in chronic infestations of bed bugs (Cimex lectularius L.) in lower-incoming housing. PLoS ONE 11: e0117805, 10.1371/journal.pone.0117805. PDF File
120. Turner, M., C. DePerno, W. Booth, E. Vargo, M. Conner and R. Lancia. 2016. The genetic mating system of white-tailed deer under quality deer management. The Journal of Wildlife Management 80: 935-940. DOI: 10.1002/jwmg.1067. PDF File
119. Benoit, J. B., Z. N. Adelman, K. Reinhardt, A. Dolan, E. C. Jennings, E. M. Szuter, R. W. Hagan, H. Gujar, J. Shukla, F. Zhu, M. Mohan, D. R. Nelson, A. Rosendale, C. Derst, V. Resnik, S. Wernig, P. Menegazzi, C. Wegener, N. Peschel, J. M. Hendershot, W. Blenau, R. Predel, P. Johnston, P. Ioannidis, R. M. Waterhouse, R. Nauen, C. Schorn, M.-C. Ott, F. Maiwald, J. S. Johnston, A. D. Gondhalekar, M. E. Scharf, B. F. Peterson, K. R. Raje, B. A. Hottel, D. Armisén, A. J. J. Crumière, P. N. Refki, M. E. Santos, E. Sghaier, S. Viala, A. Khila, S.-J. Ahn, M. Poelchau, C. Childers, C.-Y. Lee, H. Lin, D. S. T. Hughes, E. J. Duncan, S. C. Murali, J. Qu, S. Dugan, S. L. Lee, H. Chao, H. Dinh, Y. Han, H. Doddapaneni, K. C. Worley, D. M. Muzny, D. Wheeler, K. Panfilio, I. M. Vargas Jentzsch, E. L. Vargo, W. Booth, M. Friedrich, M. L. Porter, J. W. Jones, O. Mittapalli, C. Zhao, J.-J. Zhou, J. D. Evans, G. M. Attardo, H. M. Robertson, E. M. Zdobnov, J. M.C. Ribeiro, R. A. Gibbs, J. H. Werren, S. R. Palli, C. Schal and S. Richards. 2016. Unique features associated with bed bug biology revealed through sequencing and manual curation of the Cimex lectularius genome. Nature Communications 7, DOI: 10.1038/ncomms10165. PDF File
118. Haifig, I., E. L. Vargo, P. Labadie, A M. Costa-Leonardo. 2016. Unrelated secondary reproductives in the neotropical termite Silvestritermes euamignathus (Isoptera: Termitidae). The Science of Nature 103:9, DOI: 10.1007/s00114-015-1325-0. PDF File
117. Chouvenc, T., H.-F. Li, J. Austin, C. Bordereau, T. Bourguignon, S. Cameron, E. Cancello, R. Constantino A. Costa-Leonardo, P. Eggleton, T. Evans, B. Forschler, J. Grace, C. Husseneder, J. Křeček, C.-Y. Lee, T. Lee, N. Lo, M. Messenger, A. Mullins, A. Robert, Y. Roisin, R. Scheffrahn, D. Sillam-Dussès, J. Šobotník, A. Szalanski, Y. Takematsu, E. Vargo, A. Yamada, T. Yoshimura, N.-Y. Su. 2016. Revisiting Coptotermes (Isoptera: Rhinotermitidae): a global taxonomic roadmap for species validity and distribution of an economically important subterranean termite genus. Systematic Entomology, 41: 299-306, DOI: 10.1111/syen.12157. PDF File
116. Robison, G. A., O. Balvin, C. Schal, E. L. Vargo and W. Booth. 2015. Extensive mitochondrial heteroplasmy in natural populations of a resurging human pest, the bed bug (Hemiptera: Cimicidae). Journal of Medical Entomology, 52: 734-738, DOI: 10.1093/jme/tjv055. PDF File
115. Perdereau, E., A. –G. Bagnères, E. L. Vargo, G. Baudouin, Y. Xu, P. Labadie, S. Dupont and F. Dedeine. 2015. Relationships between invasion success and colony breeding structure in a subterranean termite. Molecular Ecology 24: 2125-2142. PDF File
114. Booth, W., O. Balvín, C. Schal, E. L. Vargo and J. Vilímová. 2015. Host association drives genetic divergence in the bed bug, Cimex lectularius. Molecular Ecology 24: 980-992. PDF File
113. Vargo, E. L., J. R. Crissman, W. Booth, R. G. Santangelo, D. M. Mukha and C. Schal. 2014. Hierarchical analysis of German cockroach (Blattella germanica) populations from within buildings to across continents. PLoS ONE 9(7): e102321. PDF File
112. Vargo, E. L. 2014. Molecular ecology meets urban entomology: How molecular biology is changing urban pest management. In: Urban Insect Pests: Sustainable Management Strategies. P. Dhang (ed.), pp. 166-180. CAB International.
111. Terrapon, N., C. Li, H. M. Robertson, L. J. X. Meng, W. Booth, Z. Chen, C. P. Childers, K. M. Glastad, K. Gokhale, J. Gowin, W. Gronenberg, R. A. Hermansen, H. Hu, B. G. Hunt, A. K. Huylmans, S. M. S. Khalil, R. D. Mitchell, M. C. Munoz-Torres, J. A. Mustard, H. Pan, J. T. Reese, M. E. Scharf, F. Sun, H. Vogel, J. Xiao, W. Yang, Z. Yang, Z. Yang, J. Zhou, J. Zhu, C. S. Brent, C. G. Elsik, M. A. D. Goodisman, D. A. Liberles, R. M. Roe, E. L. Vargo, A. Vilcinskas, J. Wang, E. Bornberg-Bauer, J. Korb, G. Zhang and J. Liebig. 2014. Molecular traces of alternative social organization in a termite genome. Nature Communications 5: 3636. DOI: 10.1038/ncomms4636. PDF File. Supplemental Information PDF File.
110. Saenz, V. L., R. G. Santangelo , E. L. Vargo and C. Schal. 2014. Group-living accelerates bed bug (Cimex lectularius L.) development. Journal of Medical Entomology 51:293-295. PDF File
109. Husseneder, C., S. P. Garner, Q. Huang, W. Booth and E. L. Vargo. 2013. Characterization of microsatellites for population genetic analyses of the fungus-growing termite Odontotermes formosanus (Isoptera: Termitidae). Environmental Entomology 42: 1092-1099. PDF File
108. Saenz, V. L., R. G. Maggi, E. B. Breitschwerdt, J. Kim, E. L. Vargo and C. Schal. 2013. Survey of Bartonella spp. in U.S. bed bugs detects Burkholderia multivorans but not Bartonella. PLoS ONE 8(9): e73661. doi:10.1371/journal.pone.0073661. PDF File
107. Kobayashi, K., E. Hasegawa, Y. Yamamoto, K. Kawatsu, E. L. Vargo, J. Yoshimura and K. Matsuura. 2013. Sex ratio biases in termites provide evidence for kin selection. Nature Communications 4: 2048. DOI: 10.1038/ncomms3048. PDF File
106. Jacobson, A. L., W. Booth, E. L. Vargo and G. G. Kennedy. 2013. Thrips tabaci population genetic structure and polyploidy in relation to competency as a vector of Tomato spotted wilt virus. PLoS ONE 8: e54484. PDF File
105. Vargo, E. L., L. Leniaud, L. E. Swoboda, S. E. Diamond, M. D. Weiser, D. M. Miller and A. -G. Bagnères. 2013. Clinal variation in colony breeding structure and level of inbreeding in the subterranean termites Reticulitermes flavipes and R. grassei. Molecular Ecology 22: 1447-1462. PDF File
104. Perdereau, E., A. -G. Bagnères, S. Bankhead-Dronnet, S. Dupont, M. Zimmermann, E. L. Vargo and F. Dedeine. 2013. Global genetic analysis reveals the putative native source of the invasive termite, Reticulitermes flavipes, in France. Molecular Ecology 22: 1105-1119 PDF File
103. Jacobson, A. L., J. S. Johnston, D. Rotenberg, A. E. Whitfield, W. Booth, E. L. Vargo, and G. G. Kennedy. 2013. Genome size and ploidy of Thysanoptera. Insect Molecular Biology 22:12-17. PDF File
102. Saenz, V., W. Booth, C. Schal and E. L. Vargo. 2012. Genetic analysis of bed bug (Cimex lectularius L.) populations reveals small propagule size within individual infestation but high genetic diversity across infestation from the eastern U.S. Journal of Medical Entomology 49: 365-375. PDF File
101. Booth, W., V. L. Saenz, R. G. Santangelo, C. Wang, C. Schal and E. L. Vargo. 2012. Molecular markers reveal infestation dynamics of the bed bug, Cimex lectularius, in apartment buildings. Journal of Medical Entomology 49: 535-546. PDF File
100. Vásquez, G. M., E. L. Vargo and J. Silverman. 2012. Fusion between southeastern United States Argentine ant colonies and its effect on colony size and productivity. Annals of the Entomological Society of America 105: 268-274. PDF File
99. Eger, J. E., M. D. Lees, P. A. Nees, T. H. Atkinson, E. M. Thoms, M. T. Messenger, J. J. DeMark, L. –C. Lee, E. L. Vargo and M. P. Tolley. 2012. Elimination of subterranean termite (Isoptera: Rhinotermitidae) colonies using a refined cellulose bait matrix containing noviflumuron when monitored and replenished quarterly. Journal of Economic Entomology 105: 533-539. PDF File
98. Vargo, E. L. and V. Parman. 2012. Effect of fipronil on subterranean termite (Isoptera: Rhinotermitidae) colonies in the field. Journal of Economic Entomology 105: 532-532. PDF File
97. Singham G. V., E. L. Vargo, W. Booth, A. S. Othman and C.-Y. Lee. 2012. Polymorphic microsatellite loci from an indigenous Asian fungus-growing termite, Macrotermes gilvus (Blattodea: Termitidae) and cross amplification in related taxa. Environmental Entomology 41: 426-431. PDF File
96. Booth, W., C. S. Brent, D. V. Calleri, R. B. Rosengaus, J. F. A. Traniello and E. L. Vargo. 2012. Population genetic structure and colony breeding system in dampwood termites (Zootermopsis angusticollis and Z. nevadensis nuttingi). Insectes Sociaux 59: 127-137. PDF File
95. Husseneder, C., D. M. Simms, J. R. Delatte, C. Wang, J. K. Grace and E. L. Vargo. 2012. Genetic diversity and colony breeding structure in native and introduced populations of the Formosan subterranean termite, Coptotermes formosanus. Biological Invasions 14: 419-437. PDF File
94. Vargo, E. L., P. E. Labadie and K. Matsuura. 2012. Asexual queen succession in the subterranean termite Reticulitermes virginicus. Proceedings of the Royal Society of London, B 279: 813-819. PDF File
93. Booth, W., L. Million, R. G. Reynolds, G. M. Burghardt, E. L. Vargo, C. Schal, A. C. Tzika and G. W. Schuett. 2011. Consecutive virgin births in the New World boid snake, the Colombian rainbow boa, Epicrates maurus. Journal of Heredity 102: 759-763 . PDF File
92. Booth, W., D. H. Johnson, S. Moore, C. Schal and E. L. Vargo. 2011. Evidence for viable, non-clonal but fatherless Boa constrictors. Biology Letters 7: 253-256 . PDF File (Write ups in Nature, BBC Earth News, Discovery News, New Scientist)
91. Booth, W., R. G. Santangelo, E. L. Vargo, D. V. Mukha and C. Schal. 2011. Determination of population genetic structure in German cockroaches (Blattella germanica): Differentiated islands in an agricultural landscape. Journal of Heredity 102: 175-183 . PDF File
90. Vargo, E. L. and C. Husseneder. 2011. Genetic structure of termite colonies and populations. In: Biology of Termites: A Modern Synthesis. D. E. Bignell, Y. Roisin and N. Lo (eds.), pp. 321-348. Springer. PDF File
89. Crissman, J. R., W. Booth, R. G. Santangelo, D. V. Mukha, E. L. Vargo and C. Schal. 2010. Population genetic structure of the German cockroach (Blattodea: Blattellidae) in apartment buildings. Journal of Medical Entomology 74: 553-564. PDF File
88. Haverty, M. I., R. L. Tabuchi, E. L. Vargo, D. L. Cox, L. J. Nelson and V. R. Lewis. 2010 . Response of Reticulitermes hesperus (Isoptera: Rhinotermitidae) colonies to baiting with lufenuron in northern California. Journal of Economic Entomology 103:770-780. PDF File
87. Matsuura, K., C. Himuro, T. Yokoi, Y. Yamamoto, E. L. Vargo and L. Keller. 2010. Identification of a pheromone regulating caste differentiation in a termite. Proceedings of the National Academy of Sciences, U.S.A. 107: 12963-12968. PDF File Supporting Information PDF File (Write-up in Nature Chemical Biology)
86. Menke, S. B., W. Booth, R. R. Dunn, C. Schal, E. L. Vargo and J. Silverman. 2010. Is it easy to be urban? Convergent success in urban habitats among lineages of a widespread native ant. PLoS ONE 5: e9194. PDF File
85. Parman, V. and E. L. Vargo. 2010. Colony level effects of imidacloprid in subterranean termites (Isoptera: Rhinotermitidae). Journal of Economic Entomology 103: 791-798. PDF File
84. Tomalski, M., W. Leimkuehler, C. Schal and E. L. Vargo. 2010. Metabolism of imidacloprid in workers of Reticulitermes flavipes (Isoptera: Rhinotermitidae). Annals of the Entomological Society of America 103: 84-95. PDF File
83. Booth, W., E. Youngsteadt, C. Schal and E. L. Vargo. 2009. Characterization of 8 polymorphic microsatellite loci in the Neotropical ant-garden ant, Camponotus femoratus (Fabricius). Conservation Genetics 10:1401-1403 . PDF File
82. Booth, W., E. Youngsteadt, C. Schal and E. L. Vargo. 2009. Polymorphic microsatellite loci for the ant-garden ant, Crematogaster levior (Forel). Conservation Genetics 10: 639-641. PDF File
81. Matsuura, K., E. L. Vargo, K. Kawatsu, P. E. Labadie, H. Nakano, T. Yashiro and K. Tsuji. 2009. Queen succession through asexual reproduction in termites. Science 323:1687. PDF File. Supporting Online Material PDF File
80. Thoms, E. M., J. E. Eger, M. M. Messenger, E. L. Vargo, B. Cabrera, C. Riegel, S. Murphree, J. Mauldin and P. Scherer. 2009. Bugs, baits, and bureaucracy: Completing the first termite bait efficacy trials (quarterly replenishment of noviflumuron) initiated after adoption of Florida Rule, Chapter 5E-2.0311. American Entomologist 55: 29-39. PDF File
79. Vargo, E. L. and C. Husseneder. 2009. The biology of subterranean termites: Insights from molecular studies on Reticulitermes and Coptotermes. Annual Review of Entomology 54: 379-403. PDF File
78. Booth, W., V. R. Lewis, R. L. Taylor, C. Schal and E. L. Vargo. 2008. Identification and characterization of 15 polymorphic microsatellite loci in the western dry-wood termite, Incisitermes minor (Hagen). Molecular Ecology Resources 8: 1102-1104. PDF File
77. Brent, C. S., J. F. A. Traniello and E. L. Vargo. 2008. Benefits and costs of secondary polygyny in the dampwood termite Zootermopsis angusticollis. Environmental Entomology 37: 883-888. PDF File
76. DeHeer, C. J. and E. L. Vargo.2008. Strong mitochondrial DNA similarity but low relatedness at microsatellite loci among families within fused colonies of the termite Reticulitermes flavipes. Insectes Sociaux 55: 190-199. PDF File
75. Husseneder, C., J. E. Powell, J. K. Grace, E. L. Vargo and K. Matsuura. 2008. Worker size in the Formosan subterranean termite in relation to colony breeding structure as inferred from molecular markers. Environmental Entomology 37: 400-408. PDF File
74. Parman, V. and E. L. Vargo. 2008. Population density, species abundance and breeding structure of subterranean termite colonies in and around infested houses in central North Carolina. Journal of Economic Entomology 101: 1349-1359. PDF File
73.Pfannenstiel, R. S., W. Booth, E. L. Vargo and C. Schal. 2008. The Asian cockroach Blattella asahinai Mizukubo (Dictyoptera: Blattellidae): A new predator of lepidopteran eggs in south Texas soybean. Annals of the Entomological Society of America 101: 763-768. PDF File
72. Booth, W., S. M. Bogdanowicz, P. A. Prodöhl, R. G. Harrison, C. Schal and E. L. Vargo. 2007. Identification and characterization of 10 polymorphic microsatellite loci in the German cockroach, Blattella germanica. Molecular Ecology Notes 7: 648-650. PDF File
71. Brent, C. S., C. Schal and E. L. Vargo. 2007. Effects of social stimuli on the endocrine systems of maturing queens of the dampwood termite Zootermopsis angusticollis. Physiological Entomology 32: 26-33. PDF File
70. Mukha, D., V., A. S. Kagramanova, I. V. Lazebnaya, O. E. Lazebnyi, E. L. Vargo and C. Schal. 2007. Intraspecific variation and population structure of the German cockroach, Blattella germanica, revealed with RFLP analysis of the nontranscribed spacer region of ribosomal DNA. Medical and Veterinary Entomology 21: 132-140. PDF File
69. Brent, C. S., C. Peeters, V. Dietmann, R. Crewe and E. L. Vargo. 2006. Hormonal correlates of reproductive status in the queenless ponerine ant, Streblognathus peetersi. Journal of Comparative Physiology A 192: 315-320. PDF File
68. Calleri, D. V., E. Reid, R. B. Rosengaus, E. L. Vargo and J. F. A. Traniello. 2006. Inbreeding and disease resistance in a social insect: effects of heterozygosity on immunocompetence in the termite Zootermopsis angusticollis. Proceedings of the Royal Society of London B 273: 2633-2640. PDF File
67. DeHeer, C. J. and E. L. Vargo. 2006. An indirect test of inbreeding depression in the termites Reticulitermes flavipes and R. virginicus. Behavioral Ecology and Sociobiology 59: 753-761. PDF File
66. Long, C. E, E. L. Vargo, B. L. Thorne and T. R. Juba. 2006. Genetic analysis of breeding structure in laboratory-reared colonies of Reticulitermes flavipes (Isoptera: Rhinotermitidae). Florida Entomologist 89: 521-523. PDF File
65. Vargo, E. L. and J. C. Carlson. 2006. Comparative study of breeding systems of sympatric subterranean termites (Reticulitermes flavipes and R. hageni) in central North Carolina using two classes of molecular genetic markers. Environmental Entomology 35: 173-187. PDF File
64. Vargo, E. L., C. Husseneder, D. Woodson, M. G. Waldvogel and J. K. Grace. 2006. Genetic analysis of colony and population structure of three introduced populations of the Formosan subterranean termite (Isoptera: Rhinotermitidae) in the continental United States. Environmental Entomology 35: 151-166. PDF File
63. Vargo, E. L., T. R. Juba and C. J. DeHeer. 2006. Relative abundance and comparative colony breeding structure in subterranean termites (Reticulitermes flavipes, R. virginicus, R. hageni, and Coptotermes formosanus) in a South Carolina lowcountry site as revealed with molecular markers. Annals of the Entomological Society of America 99: 1101-1109. PDF File
62. Brent, C. S., C. Schal and E. L. Vargo. 2005. Endocrine changes in maturing primary queens of Zootermopsis angusticollis. Journal of Insect Physiology 51: 1200-1209. PDF File
61. Copren, K. A., L. J. Nelson, E. L. Vargo and M. I. Haverty. 2005. Phylogenetic analyses of mtDNA sequences corroborate taxonomic designations based on cuticular hydrocarbons in subterranean termites. Molecular Phylogenetics and Evolution 35: 689-700. PDF File
60. DeHeer, C. J., M. Kutnik, E. L. Vargo and A. –G. Bagnères. 2005. The breeding system and population structure of the termite Reticulitermes grassei in southern France. Heredity 95: 408-415. PDF File
59. De Menten, L., D. Fournier, C. Brent, L. Passera, E. L. Vargo and S. Aron. 2005. Dual mechanism of queen influence over sex ratio in the ant Pheidole pallidula. Behavioral Ecology and Sociobiology 58: 527-533. PDF File
58. Husseneder, C., M. T. Messenger, N. –Y. Su, J. K. Grace and E. L. Vargo. 2005. Colony social organization and population genetic structure of an introduced population of Formosan subterranean termite from New Orleans, Louisiana. Journal of Economic Entomology 98: 1421-1434. PDF File
57. Dronnet, S., M. Chapuisat, E. L. Vargo, C. Lohou and A. –G. Bagnères. 2005. Genetic analysis of the breeding system of an invasive subterranean termite, Reticulitermes santonensis, in urban and natural habitats. Molecular Ecology 14: 1311-1320. PDF File
56. Buczkowski, G., E. L. Vargo and J. Silverman. 2004. The diminutive supercolony: the Argentine ants of the southeastern United States. Molecular Ecology 13: 2235-2242. PDF File
55. Fisher, M. L., R. E. Gold, E. L. Vargo and A. I. Cognato. 2004. Behavioral and genetic analysis of colony fusion in Reticulitermes flavipes (Isoptera: Rhinotermitidae). Sociobiology 44: 565-576. PDF File
54. Fan, Y., C. Schal, E. L. Vargo and A. -G. Bagnères. 2004. Characterization of termite lipophorin and its involvement in hydrocarbon transport. Journal of Insect Physiology 50: 609-620. PDF File
53. DeHeer, C. J. and E. L. Vargo. 2004. Colony genetic organization and colony fusion in the termite Reticulitermes flavipes as revealed by foraging patterns over time and space. Molecular Ecology 13: 431-441. PDF File
52. Dronnet, S., A. -G. Bagnères, T. R. Juba and E. L. Vargo. 2004. Polymorphic microsatellite loci in the European subterranean termite, Reticulitermes santonensis Feytaud. Molecular Ecology Notes 4: 127-129. PDF File
51. Vargo, E. L. 2003. Hierarchical analysis of colony and population genetic structure of the eastern subterranean termite, Reticulitermes flavipes, using two classes of molecular markers. Evolution 57: 2805-2818. PDF File
50. Vargo, E. L. 2003. Genetic structure of Reticulitermes flavipes and R. virginicus (Isoptera: Rhinotermitidae) colonies in an urban habitat and tracking of colonies following treatment with hexaflumuron bait. Environmental Entomology 32: 1271-1282. PDF File
49. Brent, C.S. and E. L. Vargo. 2003. Changes in juvenile hormone biosynthetic rates and whole body content in maturing virgin queens of Solenopsis invicta. Journal of Insect Physiology 49: 967-974. PDF File
48. Husseneder, C., J. K. Grace, M. T. Messenger, E. L. Vargo and N. Y. Su. 2003. Describing the spatial and social organization of Formosan subterranean termite colonies in Armstrong Park, New Orleans. Sociobiology 41: 61-65. PDF File
47. Vargo, E. L., C. Husseneder and J. K. Grace. 2003. Colony and population genetic structure of the Formosan subterranean termite, Coptotermes formosanus, in Japan. Molecular Ecology 12: 2599-2608. PDF File
46. Vargo, E. L., C. Husseneder, J. K. Grace, G. Henderson and D. Ring. 2003. Colony and population genetic structure of Formosan subterranean termites from Hawaii and Louisiana. Sociobiology 41: 67-69. PDF File
45. Husseneder, C., E. L. Vargo and J. K. Grace. 2003. Molecular genetic methods: new approaches to termite biology. In: Wood Deterioration and Preservation: Advances in our Changing World. American Chemical Society Symposium Series 845, pp. 358-370. B. Goodell, D. D.Nicholas and T. P. Schultz (eds.), American Chemical Society, Washington, DC. PDF File
44. Husseneder, C., Vargo, E. L. and J. K. Grace. 2002. Multilocus DNA fingerprinting and microsatellite genotyping: complementary approaches to investigating colony and population genetic structure in subterranean termites. Sociobiology 40: 217-226. PDF File
43. Passera, L., S. Aron, E. L. Vargo and L. Keller. 2001. Queen control of sex ratio in fire ants. Science 293: 1308-1310. PDF File
42. Vargo, E. L. and G. Henderson. 2000. Identification of polymorphic microsatellite loci in the Formosan subterranean termite Coptotermes formosanus Shiraki. Molecular Ecology 9: 1935-1938. PDF File
41. Shoemaker, D. D., K. G. Ross, L. Keller, E. L. Vargo and J. H. Werren. 2000. Wolbachia infections in native and introduced populations of fire ants (Solenopsis spp.). Insect Molecular Biology 9: 661-673. PDF File
40. Vargo, E. L. 2000. Polymorphism at trinucleotide microsatellite loci in the subterranean termite Reticulitermes flavipes. Molecular Ecology 9: 817-820. PDF File
39. Vargo, E. L. and C. D. Hulsey. 2000. Multiple glandular origins of queen pheromones in the fire ant Solenopsis invicta. Journal of Insect Physiology 46: 1151-1159. PDF File
38. Vargo, E. L. 1999. Reproductive development and ontogeny of queen pheromone production in the fire ant Solenopsis invicta. Physiological Entomology 24: 370-376. PDF File
37. Vargo, E. L. 1998. Primer pheromones in ants. In: Pheromone Communication in Social Insects. Ants, Wasps, Bees, and Termites, R. K. Vander Meer, M. D. Breed, K. E. Espelie and M. L. Winston (eds.). Westview Press, Boulder, Colorado. Pp. 293-313. PDF File
36. Robinson, G. E. and E. L. Vargo. 1997. Juvenile hormone in adult eusocial Hymenoptera: gonadotropin and behavioral pacemaker. Archives of Insect Biochemistry and Physiology 35: 559-583. PDF File
35. Ross, K. G., M. J. B. Krieger, D. D. Shoemaker, E. L. Vargo and L. Keller. 1997. Hierarchical analysis of genetic structure in native fire ant populations: results from three classes of molecular markers. Genetics 147: 643-655. PDF File
34. Vargo, E. L. 1997. Poison gland of queen fire ants (Solenopsis invicta) is the source of a primer pheromone. Naturwissenschaften 84: 507-510. PDF File
33. Ross, K. G., E. L. Vargo and L. Keller. 1996. Social evolution in a new environment: the case of introduced fire ants. Proceedings of the National Academy of Sciences, USA 93: 3021-3025. PDF File
32. Ross, K. G., E. L. Vargo and L. Keller. 1996. Genetic basis for important social traits in the fire ant Solenopsis invicta. Evolution 50: 2387-2399. PDF File
31. Vargo, E. L. 1996. Sex investment ratios in monogyne and polygyne populations of the fire ant Solenopsis invicta. Journal of Evolutionary Biology 9: 783-802. PDF File
30. Aron, S., E. L. Vargo and L. Passera. 1995. Primary and secondary sex ratios in monogyne colonies of the fire ant. Animal Behaviour 49: 749-757. PDF File
29. Kaspari, M. and E. L. Vargo. 1995. Colony size as a buffer against seasonality: Bergmann¹s rule in social insects. American Naturalist 145: 610-632. PDF File
28. Kaspari, M. and E. L. Vargo. 1994. Nest site selection by fire ant queens. Insectes Sociaux 41: 331-333. PDF File
27. Vargo, E. L. and M. Laurel. 1994. Studies on the physiological mode of action of a queen primer pheromone in the fire ant Solenopsis invicta. Journal of Insect Physiology 40: 601-610. PDF File
26. Cherix, D., D. J. C. Fletcher, D. Chautems, W. Fortelius, G. Gris, L. Keller, R. Rosengren, E. L. Vargo and F. Walter. 1993. Attraction of the sexes in Formica lugubris Zett (Hymenoptera: Formicidae). Insectes Sociaux 40: 319-324. PDF File
25. Keller, L. and E. L. Vargo. 1993. Reproductive structure and reproductive roles in colonies of eusocial insects. In: Queen Number and Sociality in Insects, L. Keller (ed.). Oxford University Press. Pp. 16-44. PDF File
24. Lanza, J., E. L. Vargo, S. Pulim and Y. Z. Chang. 1993. Preferences of the fire ants Solenopsis invicta and S. geminata (Hymenoptera: Formicidae) for amino acid and sugar components of extrafloral nectars. Environmental Entomology 22: 411-417. PDF File
23. Ross, K. G., E. L. Vargo, L. Keller and J. C. Trager. 1993. Effect of a founder event on variation in the genetic sex-determining system of the fire ant Solenopsis invicta. Genetics 135: 843-854. PDF File
22. Vargo, E. L. 1993. Colony reproductive structure in a polygyne population of the fire ant Solenopsis geminata (Hymenoptera: Formicidae). Annals of the Entomological Society of America 86: 441-449. PDF File
21. Vargo, E. L. and S. D. Porter. 1993. Reproduction by virgin queen fire ants in queenless conditions: comparative study of three taxa (Solenopsis richteri, hybrid S. invicta/S.richteri, S. geminata) (Hymenoptera: Formicidae). Insectes Sociaux 40: 283-293. PDF File
20. Walter, F., D. J. C. Fletcher, D. Chautems, D. Cherix, L. Keller, W. Francke, W. Fortelius, R. Rosengren and E. L. Vargo. 1993. Identification of the sex pheromone of an ant, Formica lugubris (Hymenoptera, Formicidae). Naturwissenschaften 80: 30-34. PDF File
19. Vargo, E. L. 1992. Mutual pheromonal inhibition among queens in polygyne colonies of the fire ant Solenopsis invicta. Behavioral Ecology and Sociobiology 31: 205-210. PDF File
18. Vargo, E. L. and L. Passera. 1992. Gyne development in the Argentine ant Iridomyrmex humilis: role of overwintering and queen control. Physiological Entomology 17: 193-201. PDF File
17. Cherix, D., D. Chautems, D. J. C. Fletcher, W. Fortelius, G. Gris, L. Keller, L. Passera, R. Rosengren, E. L. Vargo and F. Walter. 1991. Alternative reproductive strategies in Formica lugubris Zett. Ethology, Ecology and Evolution, Special Issue I: 61-66. PDF File
16. Passera, L., E. L. Vargo and L. Keller. 1991. Le nombre de reines chez les fourmis et sa conséquence sur l’organisation sociale. Année Biologique 30: 137-173. PDF File
15. Vargo, E. L. and L. Passera. 1991. Pheromonal and behavioral queen control over the production of gynes in the Argentine ant, Iridomyrmex humilis (Mayr). Behavioral Ecology and Sociobiology 28: 161-169. PDF File
14. Passera, L., L. Keller, A. Grimal, D. Chautems, D. Cherix, D. J. C. Fletcher, W. Fortelius, R. Rosengren and E. L. Vargo. 1990. Carbohydrates as energy source during the flight of sexuals of the ant Formica lugubris (Hymenoptera: Formicidae). Entomologia Generalis 15: 25-32. PDF File
13. Vargo, E. L. 1990. Social control of reproduction in fire ant colonies. In: Applied Myrmecology: A World Perspective, R. K. Vander Meer, K. Jaffe, and A. Cedeno (eds.). Westview Press, Boulder, Colorado. Pp. 158-172. PDF File
12. Vargo, E. L. and D. J. C. Fletcher. 1989. On the relationship between queen number and fecundity in polygyne colonies of the fire ant, Solenopsis invicta. Physiological Entomology 14: 223-232. PDF File
11. Vargo, E. L. and S. D. Porter. 1989. Colony reproduction by budding in the polygyne form of Solenopsis invicta (Hymenoptera: Formicidae). Annals of the Entomological Society of America 82: 307-313. PDF File
10. Vargo, E. L. and K. G. Ross. 1989. Differential viability of eggs laid by queens in polygyne colonies of the fire ant, Solenopsis invicta. Journal of Insect Physiology 35: 587-593. PDF File
9. Ross, K. G., E. L. Vargo and D. J. C. Fletcher. 1988. Colony genetic structure and queen mating frequency in fire ants of the subgenus Solenopsis (Hymenoptera: Formicidae). Biological Journal of the Linnean Society 34: 105-117. PDF File
8. Vargo, E. L. 1988. A bioassay for a primer pheromone of queen fire ants (Solenopsis invicta) which inhibits the production of sexuals. Insectes Sociaux 35: 382-392. PDF File
7. Vargo, E. L. 1988. Effect of pleometrosis and colony size on the production of sexuals in monogyne colonies of the fire ant Solenopsis invicta. In: Advances in Myrmecology, J. C. Trager (ed.). E. J. Brill, New York. Pp. 217-225. PDF File
6. Vargo, E. L. and D. J. C. Fletcher. 1987. Effect of queen number on the production of sexuals in natural populations of the fire ant, Solenopsis invicta. Physiological Entomology 12: 109-116. PDF File
5. Ross, K. G., R. K. Vander Meer, D. J. C. Fletcher and E. L. Vargo. 1987. Biochemical phenotypic and genetic studies of two introduced fire ants and their hybrid (Hymenoptera: Formicidae). Evolution 41: 280-293. PDF File
4. Ross, K. G., E. L. Vargo and D. J. C. Fletcher. 1987. Comparative biochemical genetics of three fire ant species in North America, with special reference to the two social forms of Solenopsis invicta (Hymenoptera: Formicidae). Evolution 41: 979-990. PDF File
3. Vargo, E. L. and P. R. Gibbs. 1987. Notes on the biology of the slave-making ant Polyergus lucidus Mayr (Hymenoptera: Formicidae) in Georgia. Journal of the Kansas Entomological Society 60: 479-482. PDF File
2. Vargo, E. L. and D. J. C. Fletcher. 1986. Queen number and the production of sexuals in the fire ant, Solenopsis invicta (Hymenoptera: Formicidae). Behavioral Ecology and Sociobiology 19: 41-47. PDF File
1. Vargo, E. L. and D. J. C. Fletcher. 1986. Evidence of pheromonal queen control over the production of male and female sexuals in the fire ant, Solenopsis invicta. Journal of Comparative Physiology A 159: 741-749. PDF File