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United States Department of Agriculture

Agricultural Research Service

Curriculum Vitae
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Education

B.S.

1989

University of Georgia (Athens, GA), Major: Entomology

Ph.D.

1995

University of Georgia (Athens, GA), Major: Entomology
(Dissertation title: Genetic structure of a fire ant hybrid zone)

Academic Positions Held

1989-1995

Graduate Research Assistant; Department of Entomology, University of Georgia, Athens, GA

1995-1997

Postdoctoral Research Associate; Department of Biology, University of Rochester, Rochester, NY

1997

Postdoctoral Research Associate; Smithsonian Tropical Research Institute, Republic of Panama

1997-1998

Postdoctoral Research Associate; University of Arizona, Tucson, AZ

1998-2001

Assistant Professor; Department of Biological Sciences, Western Michigan University, Kalamazoo, MI

2001-2002

Associate Professor; Department of Biological Sciences, Western Michigan University, Kalamazoo, MI

2002-2005

Assistant Professor; Department of Entomology, University of Wisconsin, Madison, WI

2005-2006

Associate Professor; Department of Entomology, University of Wisconsin, Madison, WI

2006-present

Research Entomologist; USDA ARS CMAVE, Gainesville, FL

Teaching Experience

  • Undergraduate Level Courses:
    Genetics (Bios 250), Molecular Evolution (Ent 472/Genetics 472)
  • Graduate Level Courses:
    Evolutionary Genetics (Bios 597)

Honors and Awards

  • Gamma Sigma Delta Honor Society
  • Phi Theta Kappa Honor Society
  • Molecular Entomology Fellowship, University of Georgia, 1989-1993
  • Sigma Xi Honor Society
  • Entomological Society of America, President's prize for student paper (honorable mention), 1993
  • Graduate Research Teaching Assistantship, 1993-1995
  • University of Arizona Center for Insect Science/ NIH-funded Postdoctoral Fellowship for Molecular Entomology-declined, 1997

Society Memberships

  • American Association for the Advancement of Science
  • Entomological Society of America
  • International Union for the Study of Social Insects
  • Sigma Xi Honor Society
  • Society for Molecular Biology and Evolution
  • Society for the Study of Evolution

Research Support: Previous Funding

  1. Genetic structure of a hybrid formed between the two introduced fire ants, Solenopsis invicta and S. richteri, International Union for the Study of Social Insects-North American Section, $1,050; 1994. Principal Investigator
  2. Genetic structure of a hybrid Formed between the two introduced fire ants, Solenopsis invicta and S. richteri, University of Georgia Research Foundation, $940; 1994. Principal Investigator
  3. Genetic structure of a fire ant hybrid zone, Sigma Xi, The Scientific Research Society, $450; 1994. Principal Investigator
  4. Dynamics of Wolbachia in fig wasps, Smithsonian Institution Postdoctoral Fellowship (STRI), $25,000; 1997. Principal Investigator
  5. Effects and dynamics of Wolbachia in the fire ant Solenopsis invicta, United States Department of Agriculture-NRICGP, Entomology section, $90,000; 1997-2001 (Proposal Number 99-05107). Principal Investigator
  6. Comparative genomics of mitochondrial DNA in Drosophila, FRACASF, $10,000. Principal Investigator
  7. Systematics of fire ants in the Solenopsis saevissima complex, United States Department of Agriculture-NRICGP, Entomology section, $199,999; 1999-2003 (Proposal Number 99-02465). Co-Principal Investigator with Ken Ross and Joe McHugh
  8. Dynamics of Wolbachia in fig wasp communities, National Science Foundation-DEB, Population Biology section (REU supplemental award), $6,000; 2002-2003. Principal Investigator
  9. Start-up funds, University of Wisconsin Graduate School, $70,000; 2002
  10. Effects of Wolbachia on host mtDNA evolution, United States Department of Agriculture-HATCH, $59,302. 2003-2005. Principal Investigator
  11. Dynamics of Wolbachia in fig wasp communities, National Science Foundation-DEB, Population Biology section, $387,513; 2002-2006 (Proposal Number DEB-0306554). Principal Investigator
  12. Dynamics of Wolbachia in fig wasp communities, National Science Foundation-DEB, Population Biology section (REU supplemental award), $6,000; 2005-2006. Principal Investigator
  13. Fitness effects of Wolbachia on the fire ant S. invicta, United States Department of Agriculture-NRICGP, Entomology section, $110,000; 2003-2006. Principal Investigator
  14. Phylogenetic analyses of nuclear DNA intron sequences from the Solenopsis saevissima species-group of fire ants, University of Wisconsin, Hilldale Undergraduate/Faculty Research Fellowship, $5,500, Co-Principal Investigator with Robert Kirchner (undergraduate)
  15. Effects of Wolbachia on the dynamics and molecular evolution of insect host mtDNA, United States Department of Agriculture-HATCH, $112,335. 2005-2009. Principal Investigator

Research Support: Current Funding

  1. Identification of native source populations of the Red Imported Fire Ant Solenopsis invicta. United States Department of Agriculture-NRICGP, Integrative Biology of Arthropods and Nematodes section, $364,000; 2007-2010. Principal Investigator

Publications: Papers published in, or accepted by, refereed journals

  1. Shoemaker, D. D., Costa, J. T., Ross, K. G. 1992. Estimates of heterozygosity in two social insects using a large number of electrophoretic markers. Heredity 69:573-582.
  2. Ross, K. G., Shoemaker, D. D. 1993. An unusual pattern of gene flow between the two social forms of the fire ant Solenopsis invicta. Evolution 47:1595-1605.
  3. Shoemaker, D. D., Ross, K. G., Arnold, M. L. 1994. Development of RAPD markers in the two introduced fire ants Solenopsis invicta and S. richteri, and their application to the study of a hybrid zone. Molecular Ecology 3: 531-539.
  4. Shoemaker, D. D., Ross, K. G., Arnold, M. L. 1996. Genetic structure and evolution of a fire ant hybrid zone. Evolution 50: 1958-1976.
  5. Shoemaker, D. D., Ross, K. G. 1996. Effects of social organization on gene flow in the fire ant Solenopsis invicta. Nature 383: 613-616.
  6. Ross, K. G., Shoemaker, D. D. 1997. Nuclear and mitochondrial genetic structure in two social forms of the fire ant Solenopsis invicta: Insights into transitions to an alternate social organization. Heredity 78: 590-602.
  7. Shoemaker, D. D., Jaenike, J. 1997. Habitat continuity and the genetic structure of Drosophila populations. Evolution, 51: 1326-1332.
  8. Ross, K. G., Krieger, M. J. B., Shoemaker, D. D., Vargo, E. L., Keller, L. 1997. Hierarchical analysis of genetic structure in native fire ant populations: Results from three classes of molecular markers. Genetics, 147: 643-655.
  9. Goodisman, M. A. D., Shoemaker, D. D., Asmussen, M. A. 1998. Cytonuclear theory for haplodiploid species and X-linked genes II. Hybrid-zone, stepping-stone models of gene flow. Evolution 52: 1423-1440.
  10. Poinar, G. O. Jr., Jaenike, J, Shoemaker, D. D. 1998. Howardula neocosmis sp. N. parasitizing North American Drosophila (Diptera: Drosophilidae) with a listing of the species of Howardula Cobb, 1921 (Tylenchida: Allantonematidae). Fundamental and Applied Nematology, 21: 547-552.
  11. Shoemaker, D. D., Katju, V., Jaenike, J. 1999. Wolbachia and the evolution of reproductive isolation between Drosophila recens and Drosophila subquinaria. Evolution 53: 1157-1164.
  12. Ross, K. G., Shoemaker, D. D., Krieger, M. J. B., DeHeer, C. J., Keller, L. 1999. Assessing genetic structure with multiple classes of molecular markers: A case study involving the introduced fire ant Solenopsis invicta. Molecular Biology and Evolution 16: 525-543.
  13. Shoemaker, D. D., Ross, K. G., Werren, J. H., Keller, L., Vargo, E. L. 2000. Wolbachia infections in native and introduced populations of fire ants (Solenopsis spp.). Insect Molecular Biology 9: 661-673.
  14. Shoemaker, D. D., Molbo, D., Machado, C., Werren, J. H., Herre, E. A. 2002. The distribution of Wolbachia in fig wasps: Correlations with host phylogeny, ecology and population structure. Proceedings of the Royal Society of London: Series B, Biological Sciences 269:2257-2267.
  15. Stahlhut, J. K, Cowan, D. P., Essani, K., Shoemaker, D. D., Barkman, T. J. 2002. Microsatellite markers for the wasp Euodynerus foraminatus (Hymenoptera: Eumininae). Molecular Ecology Notes, 2:467-468.
  16. Perlman, S. J., Spicer, G. S., Shoemaker, D. D., Jaenike, J. 2003. Associations between mycophagous Drosophila and their Howardula nematode parasites: A worldwide phylogenetic shuffle. Molecular Ecology, 12: 237-249.
  17. Shoemaker, D. D., Keller, G., Ross, K. G. 2003. Effects of Wolbachia on mtDNA variation in the two native fire ants Solenopsis invicta and S. richteri. Molecular Ecology, 12: 1757-1771.
  18. Shoemaker, D. D., Ahrens, M., Sheill, L., Mescher, M., Keller, L., Ross, K. G. 2003. Distribution and prevalence of Wolbachia infections in native populations of the fire ant Solenopsis invicta (Hymenoptera: Formicidae). Environmental Entomology, 32: 1329-1336.
  19. Ross, K. G., Krieger, M. J. B., Shoemaker, D. D. 2003. Alternative genetic foundations for a key social polymorphism in fire ants. Genetics, 165: 1853-1867.
  20. Mescher, M. C., Ross, K. G., Shoemaker, D. D., Keller, L., Krieger, M. J. B. 2003. Distribution of the two social forms of the fire ant S. invicta in the native South American range. Annals of the Entomological Society of America, 96: 810-817.
  21. Shoemaker, D. D., Dyer, K., Ahrens, M., McAbee, K., Jaenike, J. 2004. Decreased diversity but increased substitution rate in host mtDNA as a consequence of Wolbachia endosymbiont infection. Genetics, 168: 2049-2058.
  22. Dedeine, F., Vavre, F., Shoemaker, D. D., Boulétreau, M. 2004. Intra-individual coexistence of a Wolbachia strain required for host oogenesis with two strains inducing cytoplasmic incompatibility in the wasp Asobara tabida. Evolution, 58: 2167-2174.
  23. Dedeine, F., Ahrens, M. E., Calcaterra, L., Shoemaker, D. D. 2005. Social parasitism in fire ants (Solenopsis spp.): A potential mechanism for interspecies transfer of Wolbachia. Molecular Ecology, 14:1543-1548.
  24. Ahrens, M. E., Shoemaker, D. D. 2005. Evolutionary history of Wolbachia infections in the fire ant S. invicta. BMC Evolutionary Biology, 5 (35):1-11.
  25. Ross, K. G., Shoemaker, D. D. 2005. Reproductive isolation and species boundaries in native South American fire ants. Molecular Ecology, 14:3419-3438.
  26. Ahrens, M. E., Ross, K. G., Shoemaker, D. D. 2005. Phylogeographic structure of the fire ant Solenopsis invicta in its native South American range: Roles of natural barriers and habitat connectivity. Evolution, 59: 1733-1743.
  27. Shoemaker, D. D., Ahrens, M. E., Ross, K. G. 2006. Molecular phylogeny of fire ants of the Solenopsis saevissima species-group based on mtDNA sequences. Molecular Phylogenetics and Evolution, 38:200-215.
  28. Bouwma, A., Ahrens, M. E., DeHeer, C. J., Shoemaker, D. D. 2006. Distribution and prevalence of Wolbachia in introduced populations of the fire ant Solenopsis invicta (Hymenoptera: Formicidae). Insect Molecular Biology, 15:89-93.
  29. Shoemaker, D. D., DeHeer, C., Krieger, M. J. B., Ross, K. G. 2006. Population genetics of the invasive fire ant Solenopsis invicta in the U.S.A. Annals of the Entomological Society of America, 99:1213-1233.
  30. Ross, K. G., Krieger, M. J. B., Keller, L., Shoemaker, D. D. 2007. Genetic variation and structure in native populations of the fire ant Solenopsis invicta: Evolutionary and demographic implications, Biological Journal of the Linnaean Society, 92: 541-560.
  31. Yang, C.-C., Shoemaker, D. D., Wu, W.-J., Shih, C.-J. 2007. Population genetic structure of the red imported fire ant, Solenopsis invicta, in Taiwan. Insectes Sociaux, in press.
  32. Gotzek, D., Ross, K. G., Shoemaker, D. D. 2007. Molecular variation at a candidate gene implicated in the regulation of fire ant social behavior. PLOS One, in press.

Publications: Papers submitted to refereed journals

  1. Dedeine, F., Shoemaker, D. D., Molbo, D., Machado, C. A., Herre, E. A. 2007. Spread of Wolbachia in highly inbred host populations: An empirical study in Neotropical fig wasps. Proceedings of the Royal Society of London: Series B, Biological Sciences, in review.
  2. Caldera, E. J., Ross, K. G., DeHeer, C. J., Shoemaker, D. D. 2007. Putative native source of the invasive fire ant Solenopsis invicta in the U.S.A. Biological Invasions, in review.
  3. Bouwma, A., Shoemaker, D. D. 2007. No evidence for Wolbachia phenotypic effects in newly mated queens of the fire ant Solenopsis invicta (Hymenoptera: Formicidae). Heredity, in review.

Publications: Conference proceedings

  1. Shoemaker, D. D., Ross, K. G., Arnold, M. L. 1994. Macro- and microgeographic structure of a hybrid zone formed between the two introduced fire ants S. invicta and S. richteri. In A. Lenoir, G. Arnold, M. LePage (eds.), Les insectes sociaux, 12ème, congrès de l'Union Internationale pour l'Étude des Insectes Sociau. Paris, Sorbonne, 21-27 août 1994. Université Paris Nord, Paris.
  2. Shoemaker, D. D. 2002. Ecology and dynamics of Wolbachia in Neotropical wasps. Second International Wolbachia Conference, Kolymbari, Crete, Greece.

Invited presentations and contributed papers

  1. Georgia Entomological Society Annual Meeting, Athens, Georgia (1989). Efficacy of five termiticides to the eastern subterranean termite, Reticulitermes flavipes. Submitted paper.
  2. Entomological Society of America Annual Meeting, New Orleans, Louisiana (1990). Gene diversity in the introduced fire ant, Solenopsis invicta. Submitted paper.
  3. Entomological Society of America Annual Meeting, Reno Nevada (1991). Development of RAPD DNA markers in the introduced fire ant, Solenopsis invicta. Submitted paper.
  4. Entomological Society of America Annual Meeting, Baltimore, Maryland (1992). Genetic differences and interactions between the two introduced fire ants, Solenopsis invicta and S. richteri. Invited symposium speaker.
  5. Entomological Society of America Annual Meeting, Indianapolis, Indiana (1993). Genetic structure of a hybrid zone between the introduced fire ants, Solenopsis invicta and Solenopsis richteri. Submitted paper.
  6. Society for the Study of Evolution Annual Meeting, Athens, Georgia (1994). Genetic structure of a hybrid zone between the introduced fire ants Solenopsis invicta and S. richteri. Submitted paper.
  7. XIIth Congress of the International Union for the Study of Social Insects, Paris, France (1994). Macro- and microgeographic structure of a hybrid zone formed between the two introduced fire ants Solenopsis invicta and S. richteri. Invited symposium speaker.
  8. Society for the Study of Evolution Annual Meeting, St. Louis, Missouri (1996). Influence of social organization on gene flow in the introduced fire ant Solenopsis invicta. Submitted paper.
  9. Sigma Xi, Western Michigan University Chapter (1999). Biology of Wolbachia. Invited speaker.
  10. First International Wolbachia Conference, Kolymbari, Crete, Greece (2000). Wolbachia infections in native and introduced populations of fire ants (Solenopsis spp.). Submitted paper.
  11. Entomological Society of America, North Central Branch Annual Meeting, East Lansing, Michigan (2002). Effects of Wolbachia on host evolutionary genetics. Submitted paper.
  12. Biology Department, Idaho State University, Pocatello, Idaho (2002). Molecular evolutionary effects of Wolbachia on host mtDNA. Invited speaker.
  13. Entomology Department, University of Wisconsin, Madison, Wisconsin (2002). Effects of Wolbachia on host mtDNA evolution. Invited speaker.
  14. Second International Wolbachia Conference, Kolymbari, Crete, Greece (2002). Ecology and dynamics of Wolbachia in Neotropical wasps. Submitted paper.
  15. Entomological Society of America Annual Meeting, Cincinnati, Ohio (2003). Molecular evolutionary effects of Wolbachia on host mtDNA. Invited symposium speaker.
  16. Woods Hole Marine Biology Research Center, Woods Hole, Massachusetts (2005). Effects of Wolbachia on host mtDNA evolution. Invited speaker.
  17. Society for the Study of Evolution Annual Meeting, Fairbanks, Alaska (2005). Phylogeography of the native fire ant Solenopsis invicta. Submitted paper
  18. USDA - Center for Medical, Agricultural, and Veterinary Entomology, Gainesville, FL (2005). Wolbachia infections in fire ants: Prospects and potential for biological control. Invited speaker.
  19. Entomology Department, University of Illinois at Urbana-Champaign, Urbana, Illinois (2005). Effects of Wolbachia on host mtDNA evolution. Invited speaker.
  20. Zoology Department, University of Wisconsin-Madison, Madison, WI (2005). Effects of Wolbachia on host mtDNA evolution. Invited speaker.
  21. Red Imported Fire Ant Conference, Mobile, Alabama (2006). Phylogeography of the fire ant Solenopsis invicta. Submitted paper.
  22. XVth Congress of the International Union for the Study of Social Insects, Washington, D. C. (2006). Population Genetics of the invasive fire ant Solenopsis invicta in the U.S.A. Invited symposium speaker.
  23. Fire ant Workshop, Tapei, Taiwan (2006). Population and evolutionary genetics of the fire ant Solenopsis invicta. Invited speaker.
  24. Department of Ecology and Evolution, University of Lausanne, Lausanne, Switzerland (2007). Putative native source of the invasive fire ant Solenopsis invicta. Invited speaker.

Last Modified: 7/1/2008
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