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Brent, C. S., C. Schal and E. L. Vargo. In press. Effects of social stimuli on the endocrine systems of maturing queens of the dampwood termite Zootermopsis angusticollis. Physiological Entomology.
Mukha, D., V., A. S. Kagramanova, I. V. Lazebnaya, O. E. Lazebnyi, E. L. Vargo and C. Schal. In press. 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.
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, Blatella germanica. Molecular Ecology Notes (Online early edition). PDF File
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
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
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
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
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
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
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
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
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
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
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
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.
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
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.
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
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
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
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
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
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
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
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
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
Husseneder, C., Vargo, E. L. and Grace, J. K. 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
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
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
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
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
Vargo, E. L. 2000. Polymorphism at trinucleotide microsatellite loci in the
subterranean termite Reticulitermes flavipes. Molecular Ecology 9: 817-820.
PDF File
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
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
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
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
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
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
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
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
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.
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.
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
Kaspari, M. and E. L. Vargo. 1994. Nest site selection by fire ant queens. Insectes Sociaux 41: 331-333.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
Passera, L., E. L. Vargo and L. Keller. 1991. Le nombre de reines chez les fourmis et sa conséquence sur l¹organisation sociale. Année Biologique 30: 137-173.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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
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
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.
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.
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.