David H Oi

Research Entomologist

Telephone: (352) 374-5987 Fax: (352) 374-5818 https://www.ars.usda.gov/southeast-area/gainesville-fl/cmave/imported-fire-ant-and-household-insects-research/people/david-oi/

Research Specialties

• Biological control of imported fire ants with emphasis on the use of insect pathogens.
• Development of integrated pest management strategies to control pest ants.

Education

Ph.D. Entomology. University of California, Riverside (1987).
M.S. Entomology. University of Hawaii, Manoa (1983).
B.S. Horticulture. University of Hawaii, Manoa (1980).

Professional Experience

1998 - Present
Research Entomologist, UDSA-ARS, Center for Medical, Agricultural, & Veterinary Entomology, Gainesville, Florida;  Courtesy & Graduate Faculty, Entomology & Nematology Dept., Univ. of Florida 2002 - Present.

1995 - 1997
Affiliate Faculty, Auburn University, Department of Entomology, Auburn, Alabama.

1992 - 1995
Postdoctoral Research Associate, USDA-ARS, Medical & Veterinary Entomology Research Lab., Gainesville, Florida.

1990 - 1992
Postdoctoral Research Associate, University of Florida, Entomology & Nematology Dept., Gainesville, Florida.

1989 - 1990
Entomologist/Insectary Supervisor, Mauna Loa Macadamia Nut Corp., Hilo, Hawaii.

Publications & Patents

• Publications

  • (Clicking on the reprint icon will take you to the publication reprint.)
  • Prevalence and Genetic Diversity of a Microsporidian Parasite in the Black Imported Fire Ant and its Social Parasitic Ant (Formicidae: Myrmicinae: Solenopsis) in Buenos Aires Province, Argentina -(Peer Reviewed Journal)
    Ascunce, M.S., Kassu, G., Bouwma, A., Oi, D.H., Reed, D.L., Briano, J., Shoemaker, D. 2023. Prevalence and Genetic Diversity of a Microsporidian Parasite in the Black Imported Fire Ant and its Social Parasitic Ant (Formicidae: Myrmicinae: Solenopsis) in Buenos Aires Province, Argentina. Insects. 14(12):901. https://doi.org/10.3390/insects14120901.
    
  • RNA virus discoveries in the electric ant, Wasmannia auropunctata -(Peer Reviewed Journal)
    Valles, S.M., Zhao, C., Rivers, A.R., Iwata, R.L., Oi, D.H., Cha, D.H., Collignon, R., Cox, N.A., Morton, G.J., Calcaterra, L.A. 2023. RNA virus discoveries in the electric ant, Wasmannia auropunctata. Virus Genes. 59:276–289. https://doi.org/10.1007/s11262-023-01969-1.
    
  • Characterization of Solenopsis invicta virus 4, a polycipivirus infecting the red imported fire ant, Solenopsis invicta -(Peer Reviewed Journal)
    Valles, S.M., Oi, D.H., Oliver, J.B., Becnel, J.J. 2022. Characterization of Solenopsis invicta virus 4, a polycipivirus infecting the red imported fire ant, Solenopsis invicta. Archives of Virology. https://doi.org/10.1007/s00705-022-05587-4.
    
  • Parasitoids and pathogens used against imported fire ants in the southern United States-(Book / Chapter)
    Oi, D.H., Porter, S.D. 2022. Parasitoids and pathogens used against imported fire ants in the southern United States. In: Van Driesche, R.G., Winston, R.L., Perring, T.M., and Lopez, V.M. (eds.) Contributions of Classical Biocontrol to the U.S. Food Security, Forestry, and Biodiversity. Morgantown, WV:USDA-Forest Service. p. 252-265.
    
  • Field evaluation of Solenopsis invicta virus 3 against its host Solenopsis invicta -(Peer Reviewed Journal)
    Valles, S.M., Oi, D.H., Weeks, Jr, R.D., Addesso, K.M., Oliver, J.B. 2022. Field evaluation of Solenopsis invicta virus 3 against its host Solenopsis invicta. Journal of Invertebrate Pathology. 191:107767. https://doi.org/10.1016/j.jip.2022.107767.
    
  • Response of Wasmannia auropunctata, (Hymenoptera: Formicidae) to water-soaked imported fire ant baits -(Peer Reviewed Journal)
    Oi, D.H., Lucky, A., Liebowitz, D.M. 2022. Response of Wasmannia auropunctata, (Hymenoptera: Formicidae) to water-soaked imported fire ant baits. Florida Entomologist. 105(2):108-114. https://doi.org/10.1653/024.105.0202.
    
  • Effect of irrigation on the control of red imported fire ants (Hymenoptera: Formicidae) by water-resistant and standard fire ant baits -(Peer Reviewed Journal)
    Oi, D.H., Atchison, R.A., Chuzel, G., Chen, J., Henke, J.A., Weeks, R.D. 2022. Effect of irrigation on the control of red imported fire ants (Hymenoptera: Formicidae) by water-resistant and standard fire ant baits. Journal of Economic Entomology. 115(1):266-272. https://doi.org/10.1093/jee/toab242.
    
  • The seasonal reproductive status of tawny crazy ant queens (Hymenoptera: Formicidae) in Florida -(Peer Reviewed Journal)
    Oi, D.H. 2021. The seasonal reproductive status of tawny crazy ant queens (Hymenoptera: Formicidae) in Florida. Florida Entomologist. 104(2):140-142. https://doi.org/10.1653/024.104.0211.
    
  • Biosecurity plan for invasive ants in the Pacific Region -(Book / Chapter)
    Vanderwoude, C., Boudjelas, S., Gruber, M., Hoffmann, B.D., Oi, D.H., Porter, S.D. 2021. Biosecurity plan for invasive ants in the Pacific Region. In: Edited by Pullaiah, T. and Ielmini, M.R. editors. Invasive Alien Species: Observations and Issues from Around the World, Volume 2: Issues and Invasions in Asia and the Pacific Region, First Edition. New York, New York. John Wiley & Sons Ltd. 2(13):275-288. https://doi.org/10.1002/9781119607045.ch25.
    
  • Natural occurring compounds/materials as alternatives to synthetic chemical insecticides for use in fire ant management -(Peer Reviewed Journal)
    Chen, J., Oi, D.H. 2020. Natural occurring compounds/materials as alternatives to synthetic chemical insecticides for use in fire ant management. Insects. 11:758. https://doi.org/10.3390/insects11110758.
    
  • Seasonal prevalence of queens and males in colonies of tawny crazy ants (Hymenoptera: Formicidae) in Florida -(Peer Reviewed Journal)
    Oi, D.H. 2020. Seasonal prevalence of queens and males in colonies of tawny crazy ants (Hymenoptera: Formicidae) in Florida. Florida Entomologist. 103(3):415-417. https://doi.org/10.1653/024.103.0318.
    
  • Minimal intraspecific aggression among tawny crazy ants (Hymenoptera: Formicidae) in Florida -(Peer Reviewed Journal)
    Lawson, K.J., Oi, D.H. 2020. Minimal intraspecific aggression among tawny crazy ants (Hymenoptera: Formicidae) in Florida. Florida Entomologist. 103(2):247-252. https://doi.org/10.1653/024.103.0215.
    
  • Introduction of fire ant biological control agents into the Coachella Valley of California -(Peer Reviewed Journal)
    Oi, D.H., Valles, S.M., Porter, S.D., Cavanaugh, C., White, G., Henke, J. 2019. Introduction of fire ant biological control agents into the Coachella Valley of California. Florida Entomologist. 100(1):284-286. https://doi.org/10.1653/024.102.0156.
    
  • Effect of soil treatments for cottony cushion scale, (Hemiptera: Monophlebidae) control on Nylanderia fulva (Hymenoptera: Formidicae) survival and trailing activity -(Peer Reviewed Journal)
    Sharma, S., Buss, E.A., Hodges, G., Oi, D.H. 2019. Effect of soil treatments for cottony cushion scale, (Hemiptera: Monophlebidae) control on Nylanderia fulva (Hymenoptera: Formidicae) survival and trailing activity. Florida Entomologist. 102(1):202-206. https://doi.org/10.1653/024.102.0132.
    
  • Insecticides for suppression of Nylanderia fulva -(Peer Reviewed Journal)
    Calibeo, D., Oi, F.M., Oi, D.H., Mannion, C. 2017. Insecticides for suppression of Nylanderia fulva. Insects. 8(3):93. https://doi.org/10.3390/insects8030093.
    
  • Invasive ants influence native lizard populations-(Peer Reviewed Journal)
    Darracq, A.K., Smith, L.L., Oi, D.H., Conner, L.M., Mccleery, R.A. 2017. Invasive ants influence native lizard populations. Ecosphere. 81(1):1-17. doi:e01657. 10.1002/ecs2.1657.
    
  • Bait development for Tawny Crazy Ants-(Proceedings)
    Oi, D.H. 2017. Bait development for Tawny Crazy Ants. National Conference on Urban Entomology. pg 57.
    
  • Update on the defensive chemicals of the Little Black Ant, Monomorium minimum (Hymenoptera: Formicidae) -(Peer Reviewed Journal)
    Chen, J., Cantrell, C.L., Oi, D.H., Grodowitz, M.J. 2016. Update on the defensive chemicals of the Little Black Ant, Monomorium minimum (Hymenoptera: Formicidae). Toxicon. 122:127-132.
    
  • Isolation and characterization of Nylanderia fulva virus 1, a positive-sense, single-stranded RNA virus infecting the tawny crazy ant, Nylanderia fulva-(Peer Reviewed Journal)
    Valles, S.M., Oi, D.H., Becnel, J.J., Wetterer, J.K., Lapolla, J.S., Firth, A.E. 2016. Isolation and characterization of Nylanderia fulva virus 1, a positive-sense, single-stranded RNA virus infecting the tawny crazy ant, Nylanderia fulva. Virology. 496:244-254.
    
  • Microbial control of structural insect pests-(Book / Chapter)
    Pereira, R., Oi, D.H., Baggio, M.V., Koehler, P. 2017. Microbial control of structural insect pests. In: Lacey, L., editors. Microbial Control of Insect and Mite Pests. 1st edition. Salt Lake City, UT: Academic Press. p. 431-442.
    
  • Evidence of niche shift and global invasion potential of the tawny crazy ant, Nylanderia fulva-(Peer Reviewed Journal)
    Kumar, S., Lebrun, E., Stohlgren, T., Stabach, J., Mcdonald, D., Oi, D.H., Lapolla, J.S. 2015. Evidence of niche shift and global invasion potential of the tawny crazy ant, Nylanderia fulva. Ecology and Evolution. 5:4628-4641.
    
  • Toxicity Profiles and Colony Effects of Liquid Baits on Tawny Crazy Ants (plus an update on their U.S. distribution)-(Proceedings)
    Oi, D.H. 2015. Toxicity Profiles and Colony Effects of Liquid Baits on Tawny Crazy Ants (plus an update on their U.S. distribution). Meeting Abstract. pp. 38.
    
  • Myrmecomorba nylanderiae gen. et sp. nov., a microsporidian parasite of the Tawny Crazy Ant, Nylanderia fulva-(Peer Reviewed Journal)
    Plowes, R.M., Becnel, J.J., Lebrun, E.G., Oi, D.H., Valles, S.M., Jones, N.T., Gilbert, L.E. 2015. Myrmecomorba nylanderiae gen. et sp. nov., a microsporidian parasite of the Tawny Crazy Ant, Nylanderia fulva. Journal of Invertebrate Pathology. 129:45-56.
    
  • A Review of the Biological Control of Fire Ants-(Review Article)
    Oi, D.H., Porter, S.D., Valles, S.M. 2015. A Review of the Biological Control of Fire Ants. Myrmecological News. 21:101-116.
    
  • Effects of an Insect Growth Regulating Bait on the Tawny Crazy Ant, Nylanderia fulva-(Proceedings)
    Oi, D.H. 2014. Effects of an Insect Growth Regulating Bait on the Tawny Crazy Ant, Nylanderia fulva. Meeting Abstract. pp. 11-12.
    
  • Evaluation of Bifenthrin Band Treatments with Targeted Mound Injections and Broadcast Baiting as a Fire Ant Quarantine Treatment in a Pot-in-Pot Nursery-(Proceedings)
    Oi, D.H., Calcott, A., Oliver, J. 2014. Evaluation of Bifenthrin Band Treatments with Targeted Mound Injections and Broadcast Baiting as a Fire Ant Quarantine Treatment in a Pot-in-Pot Nursery. Meeting Abstract. pp 36-38.
    
  • Pseudacteon spp. (Diptera: Phoridae) biological control agents of Solenopsis spp. (Hymenoptera: Formicidae) in Louisiana: statewide distribution and Kneallhazia solenopsae (Microsporidia: Thelohaniidae) prevalence-(Peer Reviewed Journal)
    Meszaros, A., Oi, D.H., Valles, S.M., Beuzelin, J.M., Reay-Jones, F.P., Johnson, S.J. 2014. Pseudacteon spp. (Diptera: Phoridae) biological control agents of Solenopsis spp. (Hymenoptera: Formicidae) in Louisiana: statewide distribution and Kneallhazia solenopsae (Microsporidia: Thelohaniidae) prevalence. Biological Control. 77:93-100.
    
  • Sucessful transmission of Solenopsis invicta Virus 3 to field colonies of Solenopsis invicta (Hymenoptera: Formicidae)-(Peer Reviewed Journal)
    Valles, S.M., Oi, D.H. 2014. Sucessful transmission of Solenopsis invicta Virus 3 to field colonies of Solenopsis invicta (Hymenoptera: Formicidae). Florida Entomologist. 97:3.
    
  • Defensive chemicals of tawny crazy ants, Nylanderia fulva and their toxicity to red imported fire ants (Hymenoptera: Formicidae)-(Peer Reviewed Journal)
    Chen, J., Rashid, T., Guolei, F., Liming, Z., Oi, D.H., Bastiaan Drees 2013. Defensive chemicals of tawny crazy ants, Nylanderia fulva and their toxicity to red imported fire ants (Hymenoptera: Formicidae). Toxicon. 76:160-166.
    
  • Musings on the management of Nylanderia fulva Crazy Ants-(Proceedings)
    Oi, D.H. 2013. Musings on the management of Nylanderia fulva Crazy Ants. Imported Fire Ants Conference Proceedings. 29:25.
    
  • Microsporidia Biological Control Agents and Pathogens of Beneficial Insects-(Book / Chapter)
    Bjornson, S., Oi, D.H. 2014. Microsporidia Biological Control Agents and Pathogens of Beneficial Insects. In: Weiss, L.M., Becnel, J.J., editors. Microsporidia: Pathogens of Opportunity. First Edition. Chichester, UK: John Wiley & Sons, Inc. p.635-670. doi: 10.1002/9781118395264.ch25.
    
  • Host specificity and colony impacts of Solenopsis invicta virus 3-(Peer Reviewed Journal)
    Porter, S.D., Valles, S.M., Oi, D.H. 2013. Host specificity and colony impacts of Solenopsis invicta virus 3. Journal of Invertebrate Pathology. 114:1-6.
    
  • Geographic distribution suggests that Solenopsis invicta is the host of predilection for Solenopsis invicta virus 1-(Peer Reviewed Journal)
    Valles, S.M., Oi, D.H., Plowes, R.M., Sanchez-Arroyo, H., Varone, L., Conant, P., Webb, G. 2013. Geographic distribution suggests that Solenopsis invicta is the host of predilection for Solenopsis invicta virus 1. Journal of Invertebrate Pathology. 113:232-236.
    
  • Mitigating the allergic effects of fire ant envenomation with biologically-based population reduction-(Review Article)
    Porter, S.D., Oi, D.H., Valles, S.M., Vander Meer, R.K. 2013. Mitigating the allergic effects of fire ant envenomation with biologically-based population reduction. Current Opinion in Allergy and Clinical Immunology. 13:372-378.
    
  • Successful transmission of Solenopsis invicta virus 3 to Solenopsis invicta fire ant colonies in oil, sugar, and cricket bait formulations -(Peer Reviewed Journal)
    Valles, S.M., Porter, S.D., Choi, M.Y., Oi, D.H. 2013. Successful transmission of Solenopsis invicta virus 3 to Solenopsis invicta fire ant colonies in oil, sugar, and cricket bait formulations . Journal of Invertebrate Pathology. 113:198-204.
    
  • Honeydew-producing hemipterans in Florida associated with Nylanderia fulva (Hymenoptera: Formicidae), an invasive crazy ant-(Peer Reviewed Journal)
    Sharma, S., Oi, D.H., Buss, E.A. 2013. Honeydew-producing hemipterans in Florida associated with Nylanderia fulva (Hymenoptera: Formicidae), an invasive crazy ant. Florida Entomologist. 96(2):538-547.
    
  • Raves & rants about invasive crazy ants-(Abstract Only)
    
    
  • Molecular comparisons suggest caribbean crazy ant from Florida and rasberry crazy ant from Texas (Hymenoptera: Formicidae: Nylanderia) are the same species-(Peer Reviewed Journal)
    Zhao, L., Chen, J., Jones, W.A., Oi, D.H., Drees, B.M. 2012. Molecular comparisons suggest caribbean crazy ant from Florida and rasberry crazy ant from Texas (Hymenoptera: Formicidae: Nylanderia) are the same species. Environmental Entomology. 41(4):1008-1018.
    
  • Multilocus genetic characterization of two ant vectors (Group II ‘‘Dirty 22’’ species) known to contaminate food and food products and spread foodborne pathogens-(Peer Reviewed Journal)
    Sulaiman, I.M., Anderson, M., Oi, D.H., Simpson, S., Kerdah, K. 2012. Multilocus genetic characterization of two ant vectors (Group II ‘‘Dirty 22’’ species) known to contaminate food and food products and spread foodborne pathogens. Journal of Food Protection. 75:1447-1452.
    
  • The fire ant (Hymenoptera: Formicidae) pathogen, Vairimorpha invictae (Microsporidia: Burenellidae), not detected in Florida-(Peer Reviewed Journal)
    Oi, D.H., Valles, S.M., Porter, S.D. 2012. The fire ant (Hymenoptera: Formicidae) pathogen, Vairimorpha invictae (Microsporidia: Burenellidae), not detected in Florida. Florida Entomologist. 95(2):506-508.
    
  • Host specificity testing of the Solenopsis fire ant (Hymenoptera:Formicidae) pathogen, Kneallhazia (=Thelohania) solenopsae (Microsporidia:Thelohaniidae), in Florida-(Peer Reviewed Journal)
    Oi, D.H., Valles, S.M. 2012. Host specificity testing of the Solenopsis fire ant (Hymenoptera:Formicidae) pathogen, Kneallhazia (=Thelohania) solenopsae (Microsporidia:Thelohaniidae), in Florida. Florida Entomologist. 95(2):509-512.
    
  • Metatranscriptomics and pyrosequencing facilitate discovery of potential viral natural enemies of the invasive Caribbean crazy ant, Nylanderia pubens-(Peer Reviewed Journal)
    Valles, S.M., Oi, D.H., Yu, F., Tan, X., Buss, E.A. 2012. Metatranscriptomics and pyrosequencing facilitate discovery of potential viral natural enemies of the invasive Caribbean crazy ant, Nylanderia pubens. PLoS One. 7(2):1-9.
    
  • Caribbean Crazy Ants and their look-alikes in Florida-(Trade Journal)
    Buss, L., Oi, D.H. 2012. Caribbean Crazy Ants and their took-alikes in Florida. Florida Pest Pro. 8(2): 24-28.
    
  • Non-enzymatic hydrolysis of RNA in workers of the ant Nylanderia pubens-(Peer Reviewed Journal)
    Valles, S.M., Strong, C.A., Buss, E.A., Oi, D.H. 2012. Non-enzymatic hydrolysis of RNA in workers of the ant Nylanderia pubens. Journal of Insect Science. 12(146):1-8.
    
  • Microsporidian entomopathogens-(Book / Chapter)
    Solter, L.F., Becnel, J.J., Oi, D.H. 2012. Microsporidian entomopathogens. In: Vega, F.E., Kaya, H.K., editors. Insect Pathology. 2nd Edition. San Diego, CA: Elsevier. Chapter 7:p.1-45.
    
  • Searching for baits with insect growth regulating effects on an invasive crazy ant, Nylanderia pubens-(Abstract Only)
    
    
  • The Ants Go Marching Millions by Millions: Invasive Ant Research-(Abstract Only)
    
    
  • Microsporidian and viral pathogens for the biological control of imported fire ants: can we walk the talk?-(Abstract Only)
    
    
  • Searching for baits with insect growth regulating effects on an invasive crazy ant, Nylanderia pubens-(Abstract Only)
    
    
  • "Ants"-(Book / Chapter)
    Oi, D.H., Vail, K.M. 2011. "Ants". Mallis Handbook Pest Control 10th edition. 11:273-293.
    
  • Molecular diversity of the microsporidium Kneallhazzia solenopsae reveals an expanded host range among fire ants in North America-(Peer Reviewed Journal)
    Ascunce, M.S., Valles, S.M., Oi, D.H., Shoemaker, D.D., Plowes, R., Gilbert, L., Lebrun, E.G., Sanchez-Arroyo, H., Sanchez-Pena, S. 2010. Molecular diversity of the microsporidium Kneallhazzia solenopsae reveals an expanded host range among fire ants in North America. Journal of Invertebrate Pathology. 105:279-288.
    
  • Fire ant microsporidia acquired by parasitoid flies of fire ants-(Abstract Only)
    
    
  • The ants go marching millions by millions: invasive ant research-(Abstract Only)
    
    
  • Seasonal variation and the co-occurence of four pathogens and a group of parasites among monogyne and polygyne fire ant colonies-(Peer Reviewed Journal)
    Valles, S.M., Oi, D.H., Porter, S.D. 2010. Seasonal variation and the co-occurence of four pathogens and a group of parasites among monogyne and polygyne fire ant colonies. Biological Control. 54(3):342-348.
    
  • Exploitation of a high genomic mutation rate in Solenopsis invicta virus 1 to infer demographic information about its host, Solenopsis invicta-(Peer Reviewed Journal)
    Allen, C., Briano, J.A., Varone, L., Oi, D.H., Valles, S.M. 2010. Exploitation of a high genomic mutation rate in Solenopsis invicta virus 1 to infer demographic information about its host, Solenopsis invicta. Journal of Invertebrate Pathology. 105(1):105-111.
    
  • Fire ant baits and biocontrol with pathogens update-(Abstract Only)
    
    
  • Loss of microbial (pathogen) infections associated with recent invasions of the red imported fire ant Solenopsis invicta-(Peer Reviewed Journal)
    Yang, C., Yu, Y., Valles, S.M., Oi, D.H., Chen, Y., Shoemaker, D.D., Wu, W., Shih, C. 2010. Loss of microbial (pathogen) infections associated with recent invasions of the red imported fire ant Solenopsis invicta. Biological Invasions. 12(9):3307-3318.
    
  • Urban Pest Management of Ants in California-(Experiment Station)
    Klotz, J., Hansen, L., Field, H., Rust, M., Oi, D.H., Kupfer, K. 2010. Urban Pest Management of Ants in California. Extension Publications. 3524:1-69.
    
  • Laboratory host specificicty testing of the fire ant microsporidian pathogen Vairimorpha invictae (Microsporidia: Burenellidae)-(Peer Reviewed Journal)
    Oi, D.H., Valles, S.M., Briano, J. 2010. Laboratory host specificicty testing of the fire ant microsporidian pathogen Vairimorpha invictae (Microsporidia: Burenellidae). Biological Control. 53:331-336.
    
  • Presence of the fire ant pathogen Kneallhazia solenopsae in fire ant decapitating phorid flies-(Abstract Only)
    
    
  • Kneallhazia (=Thelohania) Solenopsae infection rate of Pseudacteon Curvatus flies determined by multiplex PCR-(Peer Reviewed Journal)
    Valles, S.M., Oi, D.H., Porter, S.D. 2009. Kneallhazia (=Thelohania) Solenopsae infection rate of Pseudacteon Curvatus flies determined by multiplex PCR. Florida Entomologist. 92(2):344-349.
    
  • Pseudacteon decapitating flies (Diptera: Phoridae): Are they potential vectors of the fire ant pathogens Kneallhazia(=Thelohania)solenopsae (Microsporidia: Thelohaniidae)and Vairimorpha invictae (Microsporidia: Burenellidae)?-(Peer Reviewed Journal)
    Oi, D.H., Porter, S.D., Valles, S.M., Briano, J.A., Calcaterra, L.A. 2009. Pseudacteon decapitating flies (Diptera: Phoridae): Are they potential vectors of the fire ant pathogens Kneallhazia(=Thelohania)solenopsae (Microsporidia: Thelohaniidae)and Vairimorpha invictae (Microsporidia: Burenellidae)?. Biological Control. 48(3):310-315.
    
  • Fire ant control with Entomopathogens in the USA-(Book / Chapter)
    Oi, D.H., Valles, S.M. 2008. Fire ant control with Entomopathogens in the USA. Book Chapter. In: Hajek A.E., Glare, T.R., O'Callaghan M. editors. Use of Microbes for control and eradication of invasive arthropods. p.237-257.
    
  • No detection of Vairimorpha invictae in fire ant decapitating flies reared from V. invictae- infected ants-(Proceedings)
    Oi, D.H., Porter, S.D., Valles, S.M., Briano, J.A. 2009. No detection of Vairimorpha invictae in fire ant decapitating flies reared from V. invictae- infected ants. Imported Fire Ants Conference Proceedings. 24:121-122.
    
  • Biological Control of Imported Fire Ants-(Other)
    Flanders, K., Graham, F., Porter, S.D., Oi, D.H. 2008. Biological Control of Imported Fire Ants. Extension Service Bulletins. Alabama Cooperative Extension System.
    
  • SOLENOPSIS INVICTA VIRUSES-(Patent Application)
    Valles, S.M., Oi, D.H., Dang, P.M., Hunter, W.B., Strong, C.A., Williams, D.F., Pereira, R.M. Solenopsis invicta viruses. Patent Application.7,332,176.
    
  • Expressed sequence tags from the red imported fire ant, Solenopsis invicta: Annotation and utilization for discovery of viruses-(Peer Reviewed Journal)
    Valles, S.M., Strong, C.A., Hunter, W.B., Dang, P.M., Pereira, R.M., Oi, D.H., Williams, D.F. 2008. Expressed sequence tags from the red imported fire ant, Solenopsis invicta: Annotation and utilization for discovery of viruses. Journal of Invertebrate Pathology. 99(1):74-81.
    
  • Combining biological and chemical controls for the management of red imported fire ants (Hymenoptera: Formicidae)-(Peer Reviewed Journal)
    Oi, D.H., Williams, D.F., Pereira, R.M., Horton, P.M., Davis, T., Hyder, A.H., Bolton, H.T., Zeichner, B.C., Porter, S.D., Hoch, A.L., Boswell, M.L., Williams, G. 2008. Combining biological and chemical controls for the management of red imported fire ants (Hymenoptera: Formicidae). American Entomologist. 54:46-55.
    
  • Integrated pest management:concepts,tactics, strategies and case studies-(Book / Chapter)
    Oi, D.H., Drees, B.M. 2009. Fire ant IPM. In: Radcliffe, E.B., Hutchison, W.D., Cancelado, R.E., editors. Integrated pest management: concepts, tactics, strategies and case studies. New York, NY: Cambridge University Press. p. 390-401.
    
  • Evolution of Fire Ant Control-(Abstract Only)
    Oi, D.H. 2007. Evolution of Fire Ant Control. Meeting Abstract.The 19th Faopma Convention and International Exhibition on Pesticides, Material and equipment.1:31-37.
    
  • Area-wide Suppression of Fire Ants-(Abstract Only)
    Oi, D.H. 2007. Area-wide Suppression of Fire Ants. Meeting Abstract.Proceedins of the Symposium on the Vision of Taiwan Plan Protection Development.1:41.
    
  • Thelohania solenopsae as a factor of fire ant populations-(Abstract Only)
    Oi, D.H. 2007. Thelohania solenopsae as a factor of fire ant populations. Society for Invertebrate Pathology Annual Meeting Proceedings.p.100.
    
  • HOST SPECIFICITY OF THE MICROSPORIDIAN PATHOGEN VAIRIMORPHA INVICTAE AT FIVE FIELD SITES WITH INFECTED SOLENOPSIS INVICTA FIRE ANT COLONIES IN NORTHERN ARGENTINA-(Peer Reviewed Journal)
    Porter, S.D., Valles, S.M., Davis, T.S., Briano, J.A., Calcaterra, L.A., Oi, D.H., Jenkins, R.A. 2007. Host specificity of the microsporidian pathogen vairimorpha invictae at five field sites with infected solenopsis invicta fire ant colonies in northern argentina. Florida Entomologist. 90(3):447-452.
    
  • Public health significance of Urban Pests-(Book / Chapter)
    Oi, D.H. 2008. Public health significance of Urban Pests. World Health Organization Technical Report.Pharaoh ants and fire ants.p.175-208.
    
  • Biological control of red imported fire ants-(Government Publication)
    Williams, D.F., Davis, T.S., Oi, D.H., Pereira, R.M., Bolton, H.T., Horton, P.M., Williams, H.G. 2007. Biological control of red imported fire ants. Extension Publications. 62pp.
    
  • Phenology, Distribution, and Host Specificity of Solenopsis invicta Virus-1-(Peer Reviewed Journal)
    Valles, S.M., Strong, C.A., Oi, D.H., Porter, S.D., Pereira, R.M., Vander Meer, R.K., Hashimoto, Y., Hooper-Bui, L.M., Sanchez-Arroyo, H., Davis, T., Karpakakunjaram, V., Vail, K.M., Fudd, G., Briano, J., Calcaterra, L., Gilbert, L.E., Ward, R., Ward, K., Oliver, J., Taniguchi, G., Thompson, D.C. 2007. Phenology, Distribution, and Host Specificity of Solenopsis invicta Virus-1. Journal of Invertebrate Pathology. 96(1):18-27.
    
  • MANAGING IMPORTED FIRE ANTS IN URBAN AREAS-(Experiment Station)
    Drees, B.M., Vinson, B., Gold, R.E., Merchant, M.E., Brown, E., Engler, K., Keck, M., Nester, P., Kostroun, D., Flanders, K., Graham, F., Pollet, D., Hooper-Bui, L., Beckley, P., Horton, P.M., Davis, T., Gardner, W., Loftin, K., Vail, K., Wright, R., Smith, W., Thompson, D.C., Kabashima, J., Blake, L., Koehler, P., Oi, D.H., Callcott, A. 2006. Managing imported fire ants in urban areas. B-6043, Texas Cooperative Extension, Texas A&M University, College Station TX 22 pp.
    
  • EFFECT OF MONO- AND POLYGYNE SOCIAL FORMS ON TRANSMISSION AND SPREAD OF MICROSPORIDIA IN FIRE ANT POPULATIONS-(Peer Reviewed Journal)
    Oi, D.H. 2006. EFFECT OF MONO- AND POLYGYNE SOCIAL FORMS ON TRANSMISSION AND SPREAD OF MICROSPORIDIA IN FIRE ANT POPULATIONS. Journal of Invertebrate Pathology. 92:146-151.
    
  • SPEED OF EFFICACY AND DELAYED TOXICITY CHARACTERISTICS OF FAST-ACTING FIRE ANT (HYMENOPTERA: FORMICIDAE) BAITS-(Peer Reviewed Journal)
    Oi, D.H., Oi, F.M. 2006. Speed of efficacy and delayed toxicity characteristics of fast-acting fire ant (Hymenoptera: Formicidae) baits. Journal of Economic Entomology. 99(5):1739-1748.
    
  • THE IMPORTED FIRE ANTS AND THEIR MANAGEMENT-(Proceedings)
    Pereira, R.M., Williams, D.F., Davis, T.S., Oi, D.H., Bolton, H.T., Horton, P.M., Williams, G. 2005. The Imported Fire Ants and Their Management. Quail Workshop Proceedings. 49-66. Arcadia, Fl. October 13-14, 2005.
    
  • PREVALENCE, SPREAD, AND EFFECTS OF THE MICROSPORIDIUM THELOHANIA SOLENOPSAE RELEASED INTO POPULATIONS WITH DIFFERENT SOCIAL FORMS OF THE RED IMPORTED FIRE ANT (HYMENOPTERA: FORMICIDAE)-(Peer Reviewed Journal)
    Fuxa, J.R., Sokolova, Y.Y., Milks, M.L., Richter, A.B., Williams, D.F., Oi, D.H. 2005. Prevalence, Spread, and Effects of the Microsporidium Thelohania solenopsae Released into Populations with Different Social Forms of the Red Imported Fire Ant (Hymenoptera: Formicidae). Environmental Entomology. 34(5):1139-1149.
    
  • CHARACTERIZATION OF DELAYED TOXICITY IN FAST-ACTING FIRE ANT BAITS-(Proceedings)
    Oi, D.H. 2005. Characterization of Delayed Toxicity in Fast-Acting Fire Ant Baits. Proceedings in the 2005 Annual Red Imported Fire Ant Conference. 41. Gulfport, MS. March 22-24, 2005.
    
  • Area-wide suppression of Invasive Fire Ant Solenopsis spp. populations-(Book / Chapter)
    Vander Meer, R.K., Pereira, R.M., Porter, S.D., Valles, S.M., Oi, D.H. 2007. Area-wide suppression of Invasive Fire Ant Solenopsis spp. populations. Area-Wide Control of Insect Pests: From Research to Field Implementation. P:487-496.
    
  • HOST RANGE OF THE MICROSPORIDIAN PATHOGEN VAIRIMORPHA INVICTAE AT THREE FIELD SITES IN ARGENTINA-(Proceedings)
    Porter, S.D., Valles, S.M., Davis, T.S., Briano, J.A., Calcaterra, L.A., Oi, D.H., Jenkins, A. 2005. Host Range of the Microsporidian Pathogen Vairimorpha invictae at Three Field Sites in Argentina. Proceedings in the 2005 Annual Red Imported Fire Ants Conference. 205. Gulfport, MS. March 22-24, 2005.
    
  • EFFECT OF MONO- AND POLY-GYNE SOCIAL FORMS ON TRANSMISSION AND SPREAD OF MICROSPORIDIA IN FIRE ANT POPULATIONS-(Abstract Only)
    Oi, D.H. 2005. Effect of mono- and poly-gyne social forms on transmission and spread of microsporidia in fire ant populations. Proceedings in the 2005 Society for Invertebrate Pathology. 39. Anchorage, Alaska. August 7-11, 2005.
    
  • AREAWIDE SUPPRESSION OF INVASIVE FIRE ANT POPULATIONS-(Abstract Only)
    Vander Meer, R.K., Porter, S.D., Oi, D.H., Valles, S.M., Pereira, R.M. 2005. Area-wide Suppression of Invasive Fire Ant Populations. Area Wide Control of Insect Pests Integrating the Sterile Insect. Abstract. p. 78-79
    
  • TRANSMISSION OF VAIRIMORPHA INVICTAE (MICROSPORIDIA: BURENELLIDAE) INFECTIONS BETWEEN RED IMPORTED FIRE ANT (HYMENOPTERA: FORMICIDAE) COLONIES-(Peer Reviewed Journal)
    Oi, D.H., Briano, J.A., Valles, S.M., Williams, D.F. 2005. TRANSMISSION OF VAIRIMORPHA INVICTAE (MICROSPORIDIA: BURENELLIDAE) INFECTIONS BETWEEN RED IMPORTED FIRE ANT (HYMENOPTERA: FORMICIDAE) COLONIES. Journal of Invertebrate Pathology. 88:108-115.
    
  • MONITORING AND MANAGEMENT OF RED IMPORTED FIRE ANTS IN A TROPICAL FISH FARM-(Peer Reviewed Journal)
    Oi, D.H., Watson, C.A., Williams, D.F. 2004. Monitoring and Management of Red Imported Fire Ants in a Tropical Fish Farm. Florida Entomologist. 87(4): 522-527.
    
  • A PICORNA-LIKE VIRUS FROM THE RED IMPORTED FIRE ANT, SOLENOPSIS INVICTA: INITIAL DISCOVERY, GENOME SEQUENCE, AND CHARACTERIZATION-(Peer Reviewed Journal)
    Valles, S.M., Strong, C.A., Dang, P.M., Hunter, W.B., Pereira, R.M., Oi, D.H., Shapiro, A.M., Williams, D.F. A picorna-like virus from the red imported fire ant, Solenopsis invicta: initial discovery, genome sequence, and characterization. Virology. 328:151-157.
    
  • SIMULTANEOUS DETECTION OF VAIRIMORPHA INVICTAE AND THELOHANIA SOLENOPSAE IN FIRE ANTS BY PCR-(Peer Reviewed Journal)
    Valles, S. M., Oi, D. H., Briano, J. A., Williams, D. F. 2004. Simultaneous Detection of Vairimopha invictae (Microsporidia: Burenellidae) and Thelohania solenopsae (Microsporidia: Thelohaniidae) in Fire Ants by PCR. Florida Entomologist. v. 87(1). p. 85-87.
    
  • Prevalence of Thelohania solenopsae (Microsporidia: Thelohaniidae) infection in monogyne and pologyne red imported fire ants (Hymenoptera: Formicidae)-(Peer Reviewed Journal)
    Oi, D.H., Valles, S.M., Pereira, R.M. 2004. Prevalence of Thelohania solenopsae (Microsporidia: Thelohaniidae) infection in monogyne and pologyne red imported fire ants (Hymenoptera: Formicidae). Environmental Entomology. 33(2):340-345.
    
  • ANTS, AN INTRODUCTION TO THE FORMICIDAE-(Book / Chapter)
    Oi, D.H. 2004. Ants, an introduction to the formicidae. Encyclopedia of Entomology. v. 1. p. 120-126.
    
  • PREVALENCE OF THE FIRE ANT PATHOGEN THELOHANIA SOLENOPSAE IN MONOGYNE AND POLYGYNE COLONIES-(Proceedings)
    Oi, D.H., Valles, S.M., Pereira, R.M. 2003. PREVALENCE OF THE FIRE ANT PATHOGEN THELOHANIA SOLENOPSAE IN MONOGYNE AND POLYGYNE COLONIES. Meeting Abstract. P:42-43.
    
  • THELOHANIA SOLENOPSAE (MICROSPORIDIA: THELOHANIIDAE) INFECTION IN REPRODUCTIVES OF RED IMPORTED FIRE ANTS (HYMENOPTERA: FORMICIDAE) AND ITS IMPLICATION FOR INTERCOLONY TRANSMISSION-(Peer Reviewed Journal)
    Oi, D.H., Williams, D.F. 2003. Thelohania solenopsae (Microsporidia: Thelohaniidae) Infection In Reproductives of Red Imported Fire Ants (Hymenoptera: Formicidae) and Its Implication for Intercolony Transmission. Environmental Entomology. v. 32(5). p. 1171-1176.
    
  • BIOLOGICAL CONTROL OF IMPORTED FIRE ANTS (HYMENOPTERA: FORMICIDAE)-(Peer Reviewed Journal)
    Williams, D.F., Oi, D.H., Porter, S.D., Pereira, R.M., Briano, J.A. 2003. Biological Control of Imported Fire Ants (Hymenoptera: Formicidae). American Entomologist. 2003. v. 49(3). p. 150-163.
    
  • ULTRASTRUCTURAL CHARACTERIZATION AND FURTHER TRANSMISSION STUDIES OF THELOHANIA SOLENOPSAE FROM SOLENOPSIS INVICTA PUPAE-(Peer Reviewed Journal)
    SHAPIRO, A.M., BECNEL, J.J., OI, D.H., WILLIAMS, D.F. ULTRASTRUCTURAL CHARACTERIZATION AND FURTHER TRANSMISSION STUDIES OF THELOHANIA SOLENOPSAE FROM SOLENOPSIS INVICTA PUPAE. JOURNAL OF INVERTEBRATE PATHOLOGY. 2003. v. 83. p. 177-180.
    
  • DETECTION OF THELOHANIA SOLENOPSAE (MICROSPORIDIA: THELOHANIIDAE) IN SOLENOPSIS INVICTA (HYMENOPTERA: FORMICIDAE) BY MUTLIPLEX PCR-(Peer Reviewed Journal)
    Valles, S.M., Oi, D.H., Perera, O.P., Williams, D.F. 2002. DETECTION OF THELOHANIA SOLENOPSAE (MICROSPORIDIA: THELOHANIIDAE) IN SOLENOPSIS INVICTA (HYMENOPTERA: FORMICIDAE) BY MUTLIPLEX PCR. Journal of Invertebrate Pathology. 81(3):196-201.
    
  • YELLOW HEAD DISEASE CAUSED BY A NEWLY DISCOVERED MATTESIA SP. IN POPULATIONS OF THE RED IMPORTED FIRE ANT, SOLENOPSIS INVICTA-(Peer Reviewed Journal)
    PEREIRA, R.M., WILLIAMS, D.F., BECNEL, J.J., OI, D.H. YELLOW HEAD DISEASE CAUSED BY A NEWLY DISCOVERED MATTESIA SP. IN POPULATIONS OF THE RED IMPORTED FIRE ANT, SOLENOPSIS INVICTA. JOURNAL OF INVERTEBRATE PATHOLOGY. 2002. v. 81. p. 45-48.
    
  • MECHANISMS OF INTERCOLONY TRANSMISSION OF THELOHANIA SOLENOPSAE IN RED IMPORTED FIRE ANTS-(Proceedings)
    Oi, D.H., Williams, D.F. 2002. Mechanisms of Intercolony Transmission of Thelohania solenopsae in Red Imported Fire Ants. Imported Fire Ants Conference Proceedings. p. 21-22.
    
  • YELLOW HEAD DISEASE (YHD) CAUSED BY A NEWLY DISCOVERED MATTESIA SP. IN POPULATIONS OF THE RED IMPORTED FIRE ANT, SOLENOPSIS INVICTA-(Proceedings)
    Pereira, R.M., Williams, D.F., Becnel, J.J., Oi, D.H. 2002. Yellow Head Disease (YHD) caused by a Newly Discovered Mattesia sp. in Populations of the Red Imported Fire Ant, Solenopsis invicta. Imported Fire Ants Conference Proceedings. p. 23-24.
    
  • ATTEMPTS TO ARTIFICIALLY PROPAGATE THE FIRE ANT PARASITE SOLENOPSIS DAGUERREI (HYMENOPTERA: FORMICIDAE) IN ARGENTINA-(Peer Reviewed Journal)
    Briano, J.A., Calcaterra, L.A., Williams, D.F., Oi, D.H. 2002. Attempts to Artificially Propagate the Fire Ant Parasite Solenopsis daguerrei (Hymenoptera: formicidae) in Argentina. Florida Entomologist. 85(3). p. 518-520.
    
  • IMPACT OF THELOHANIA SOLENOPSAE (MICROSPORIDIA: THELOHANIIDAE) ON POLYGYNE COLONIES OF RED IMPORTED FIRE ANTS (HYMENOPTERA: FORMICIDAE)-(Peer Reviewed Journal)
    
    
  • INTRA-COLONY TRANSMISSION AND THE DISCOVERY OF A NEW SPORE TYPE FOR THELOHANIA SOLENOPSAE IN RED IMPORTED FIRE ANTS-(Abstract Only)
    Oi, D.H., Williams, D.F., Becnel, J.J. 2001. Intra-colony Transmission and the Discovery of a New Spore Type for Thelohania solenopsae in Red Imported Fire Ants. 2001 Imported Fire Ant Conference Proceedins. p. 32. San Antonio, Texas. February 28-March 2, 2001.
    
  • FIRE ANTS DOS & DON'TS-(Popular Publication)
    Oi, F.M., Oi, D.H., Porter, S.D., Koehler, P.G. 2001. Fire ants dos & don'ts. Pest Control Technology Magazine.
    
  • INTRA-COLONY TRANSMISSION AND THE DISCOVERY OF A NEW SPORE TYPE FOR THELOHANIA SOLENOPSAE (MICROSPORIDIA: THELOHANIIDAE) IN RED IMPORTED FIRE ANTS (HYMENOPTERA: FORMICIDAE)-(Peer Reviewed Journal)
    
    
  • THE RED IMPORTED FIRE ANT (HYMENOPTERA: FORMICIDAE): AN HISTORICAL PERSPECTIVE OF TREATMENT PROGRAMS AND THE DEVELOPMENT OF CHEMICAL BAITS FORCONTROL-(Peer Reviewed Journal)
    
    
  • OBSERVATIONS ON THE SEXUAL CASTE OF THE FIRE ANT PARASITE SOLENOPSIS DAGUERREI (HYMENIPTERA: FORMICIDAE)-(Research Notes)
    
    
  • ANTS: WHERE ARE WE NOW? WHERE ARE WE GOING?-(Proceedings)
    
    
  • INFECTION OF RED IMPORTED FIRE ANT (HYMENOPTERA: FORMICIDAE) COLONIES WITH THE ENTOMOPATHOGEN THELOHANIA SOLENOPSAE (MICROSPORIDA: THELOHANIIDAE)-(Peer Reviewed Journal)
    
    
  • RED IMPORTED FIRE ANTS: IMPACT ON BIODIVERSITY AND INTEGRATED MANAGEMENT TECHNIQUES-(Peer Reviewed Journal)
    
    
  • A NEW BAIT ATTRACTIVE TO MULTIPLE SPECIES OF ANTS.-(Abstract Only)
    
    
  • IMPACT OF MICROSPORIDIAN PATHOGEN, THELOHANIA SOLENOPSAE, ON RED IMPORTED FIRE ANTS-(Proceedings)
    
    
  • RESEARCH UPDATE ON SOLENOPSIS (LABAUCHENA) DAGUERREI, A PARASITIC ANT OF IMPORTED FIRE ANTS-(Abstract Only)
    
    

Patents

Valles, S. M. and D. H. Oi.  Novel Nylanderia fulva virus.  US patent no. US 9,255,254. Date of Patent: Feb. 9, 2016.

Valles, S. M., R. M. Pereira, W. B. Hunter, D. H. Oi, C. A. Strong, P. M. Dang, D. F. Williams. 2011. Solenopsis invicta virus. U.S. Patent and Trademark Office. United States Patent No. US 8,034,333 B2. Date of Patent: Oct 11, 2011.

Valles, S. M., R. M. Pereira, W. B. Hunter, D. H. Oi, C. A. Strong, P. M. Dang, and D. F. Williams. 2008. Solenopsis invicta viruses. United States Patent, Patent No. US 7,332,176 B1. Date of Patent: Oct 11, 2011, Feb. 19, 2008.

Vail, K. M., D. F. Williams, and D. H. Oi. 1999. Ant bait attractive to multiple species of ants. U.S. Patent No. US 5,939,061. Date of Patent: Aug. 17, 1999.