Education

Ph.D. Entomology (GPA = 4.0). University of Florida (1995). Dissertation: Biochemical Mechanisms Responsible for Stage-Dependent Propoxur Tolerance in the German Cockroach, Blattella germanica (Dictyoptera: Blattellidae). Advisor - Simon J. Yu.

M.S. Entomology (GPA = 4.0). University of Florida (1991). Thesis: Development of a Pheromone-Based Monitoring System for the Pickleworm, Diaphania nitidalis (Lepidoptera: Pyralidae). Advisor John L. Capinera.

B.S. Biology with Distinction, minor in Chemistry (GPA = 3.6, cum laude). Georgia State University (1989).

Current Research

• Characterization of positive-strand RNA viruses that infect Solenopsis invicta..
• Development of Solenopsis invicta viruses as microbial control agents.
• Use of next generation sequencing technologies for discovery of new natural enemies of invasive ants.
• Development of field-ready detection devices for Solenopsis ant species.

Technology Transfer

• InvictDetect™ A rapid identification kit for red imported fire ant, Solenopsis invicta, available at AgDia, Inc. https://orders.agdia.com/invictdetect-isk-49700-0010

Refereed Publications

2019

Brown, K., I. Olendraite, S. M. Valles, A. E. Firth, Y. Chen, D. M. A. Guerin, Y. Hashimoto, S. Herrero, J. R. de Miranda, E. Ryabov, and C. Ictv Report. 2019. ICTV Virus Taxonomy Profile: Solinviviridae. Journal of General Virology. doi 10.1099/jgv.0.001242.

Olendraite, I., K. Brown, S. M. Valles, A. E. Firth. Y. Chen, D.M.A. Guerin, Y. Hashimoto, S. Herrero, J.R. de Miranda, E. Ryabov, and ICTV consortium. 2019. Polycipiviridae: a proposed new family of polycistronic picorna-like RNA viruses. Journal of General Virology doi 10.1099/jgv.0.001241.

Pandey, M., K. M. Addesso, R. S. Archer, S. M. Valles, F. Baysal-Gurel, P. F. Ganter, N. N. Youssef, and J. B. Oliver. 2019. Worker Size, Geographical Distribution, and Introgressive Hybridization of Invasive Solenopsis invicta and Solenopsis richteri (Hymenoptera: Formicidae) in Tennessee. Environmental Entomology doi 10.1093/ee/nvz023.

Valles, S. M., and A. R. Rivers. 2019. Nine new RNA viruses associated with the fire ant Solenopsis invica from its native range. Virus Genes doi.org/10.1007/s11262-019-01652-4.

2018

Oi, D. H., S. M. Valles, S. D. Porter, C. Cavanaugh, G. White, and J. Henke. 2018. Introduction of fire ant biological control agents into the Coachella Valley of California. Florida Entomologist 102: 284-286.

Valles, S. M., S. D. Porter, and L. A. Calcaterra. 2018. Prospecting for viral natural enemies of the fire ant Solenopsis invicta in Argentina. Plos One 13: e0192377.

Valles, S. M., C. A. Strong, and A. M. A. Callcott. 2018. Multiplexed lateral flow immunoassay to discriminate Solenopsis invicta, Solenopsis richteri, and Solenopsis invicta x richteri hybrids. Insectes Sociaux 65: 493-501.

2017

Olendraite, I., N. I. Lukhovitskaya, S. D. Porter, S. M. Valles, and A. E. Firth. 2017. Polycipiviridae: a proposed new family of polycistronic picorna-like RNA viruses. Journal of General Virology 98: 2368-2378.

Valles, S. M., J. B. Oliver, and K. M. Addesso. 2017. Complete genome sequence of a new isolate of Solenopsis invicta virus 3 from Solenopsis invicta x richteri hybrid ants. Genome Announcements 5: e01273-01217.

Valles, S. M., R. Wylie, C. J. Burwell, M. K. McNaught, and C. Horlock. 2017. Evaluation of a lateral flow immunoassay for field identification of Solenopsis invicta (Hymenoptera: Formicidae) in Australia. Aust Entomol doi.org/10.1111/aen.12297.

Valles, S.M., Y. Chen, A.E. Firth, D.M.A. Guérin, Y. Hashimoto, S. Herrero, J.R. de Miranda, E. Ryabov, and ICTV Report Consortium. 2017. ICTV Virus Taxonomy Profile: Dicistroviridae. Journal of General Virology 98: 355-356.

Valles, S.M., Y. Chen, A.E. Firth, D.M.A. Guérin, Y. Hashimoto, S. Herrero, J.R. de Miranda, E. Ryabov, and ICTV Report Consortium. 2017. ICTV Virus Taxonomy Profile: Iflaviridae. Journal of General Virology (in press).

2016

Porter, S.D., J.M. Gavilanez-Slone, and S.M. Valles. 2016. Solenopsis invicta virus 3: Infection tests with honey bees (Hymenoptera: Apidae). Florida Entomologist 99: 729-733.

Porter, S.D., S.M. Valles, and R.M. Pereira. 2016. Scavenging crickets (Orthoptera: Gryllidae) transmit Solenopsis invicta virus 3 to red imported fire ant (Hymenoptera: Formicidae) colonies. Florida Entomologist 99: 811-812.

Valles, S.M., C.A. Strong, and A-M. A. Callcott. 2016. Development of a lateral flow immunoassay for rapid field detection of the red imported fire ant, Solenopsis invicta (Hymenoptera: Formicidae). Analytical and Bioanalytical Chemistry 408: 4693-4703.

Valles, S.M., D.H. Oi, J.J. Becnel, J.K. Wetterer, J.S. LaPolla, and A.E. Firth. 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.

2015

Allen, C., and S.M. Valles. 2015. Successful transcription but not translation or assembly of Solenopsis invicta virus 3 in a baculovirus-driven expression system. Florida Entomologist 98(3): 943-949.

Oi, D.H., S.D. Porter, S.M. Valles. 2015. A review of the biological control of fire ants (Hymenoptera: Formicidae). Myrmecological News 21: 101-116.

Plowes, R.M., J.J. Becnel, E.G. LeBrun, D.H. Oi, S.M. Valles, N.T. Jones, and L.E. Gilbert. 2015. Myrmecomorba nylanderiae gen. et sp. nov., a microsporidian parasite of the tawny crazy ant Nylanderia fulva. Journal of Invertebrate Pathology 129: 45-56.

Porter, S.D., S.M. Valles, A.L. Wild, R. Dieckman, and N.J.R. Plowes. 2015. Solenopsis invicta virus 3: further host-specificity tests with native Solenopsis ants. Florida Entomologist 98: 122-125.

Porter, S.D., S.M. Valles, and J.M. Gavilanez-Slone. 2015. Long-term efficacy of two cricket and two liver diets for rearing laboratory fire ant colonies (Hymenoptera: Formicidae: Solenopsis invicta). Florida Entomologist 98(3): 991-993.

Valles, S.M. and S.D. Porter. 2015. Dose response of red imported fire ant colonies to Solenopsis invicta virus 3. Archives of Virology 160: 2407-2413.

Valles, S.M., S.D. Porter, and J.K. Wetterer. 2015. The red imported fire ant (Hymenoptera: Formicidae) in the West Indies: Distribution of natural enemies and a possible test bed for release of self-sustaining biocontrol agents. Florida Entomologist 98(4): 1101-1105.

2014

Meszaros, A., D.H. Oi, S.M. Valles, J.M. Beuzelin, F.P.F. Reay-Jones, S.J. Johnson. 2014. Pseudacteon spp. (Diptera: Phoridae) biological control agents of Solenopsis spp. (Hymenoptera: Formicidae) in Louisiana: statewide distribution and Kneallhazia solenopsae (Microsporidia: Thelohaniidae) infection prevalence. Biological Control (in press).

Valles, S.M., S. Bell, and A.E. Firth. 2014. Solenopsis invicta virus 3: Mapping of structural proteins, ribosomal frameshifting, and similarities to Acyrthosiphon pisum virus and Kelp fly virus. PLoS ONE 9: e93497.

Valles, S.M., S.D. Porter, and A.E. Firth. 2014. Solenopsis invicta virus 3: Pathogenesis and stage specificity in red imported fire ants. Virology 460-461: 66-71.

Valles, S.M. and D.H. Oi. 2014. Successful transmission of Solenopsis invicta virus 3 to field colonies of Solenopsis invicta (Hymenoptera: Formicidae). Florida Entomologist (in press).

2013

Porter, S.D., D.H. Oi, S.M. Valles, and R.K. Vander Meer. 2013. Mitigating the allergic effects of fire ant envenomation with biologically based population reduction. Current Opinion of Allergy and Clinical Immunology 13: 372-378.

Valles, S.M., D. Shoemaker, Y. Wurm, C.A. Strong, L. Varone, J.J. Becnel, and P.D. Shirk. 2013. Discovery and molecular characterization of an ambisense densovirus from South American populations of Solenopsis invicta. Biological Control 67: 431-439.

Valles, S.M., D.H. Oi, R.M. Plowes, H. Sanchez-Arroyo, L. Varone, P. Conant, and G. Webb. 2013. Geographic distribution suggests that Solenopsis invicta is the host of predilection for Solenopsis invicta virus 1. Journal of Invertebrate Pathology 113: 232-236.

Valles, S.M., S.D. Porter, M.Y. Choi, and D.H. Oi. 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.

2012

Grotheer, P., S. M. Valles, A. Simonne, J. M. Kim, and M. R. Marshall. 2012. PolyphenolL oxidase inhibitor(s) from German cockroach (Blatettella germanica) extract. Journal of Food Biochemistry 36: 292-300.

Oi, D. H., and S. M. Valles. 2012. Host specificity testing of the Solenopsis fire ant (Hymenoptera: Formicidae) pathogen, Kneallhazia (=Thelohania) solenopsae (Microsporidia: Thelohaniidae), in Florida. Florida Entomologist 95: 509-512.

Oi, D. H., S. M. Valles, and S. D. Porter. 2012. The fire ant (Hymenoptera: Formicidae) pathogen, Vairimorpha invictae (Microsporidia: Burenellidae), not detected in Florida. Florida Entomologist 95: 506-508.

Valles, S. M. 2012. Positive-strand RNA viruses infecting the red imported fire ant, Solenopsis invicta. Psyche 2012: Article ID 821591, 14 pages.

Valles, S. M., D. H. Oi, F. Yu, X. Tan, and E. A. Buss. 2012. Metatranscriptomics and pyrosequencing facilitate discovery of potential viral natural enemies of the invasive Caribbean crazy ant, Nylanderia pubens. PLOS one 7(2) doi:10.1371/journal.pone.0031828: e31828.

Valles, S. M., and N. Sabath. 2012. No evidence for translation of pog, a predicted overlapping gene of Solenopsis invicta virus 1. Virus Genes 45: 84-89.

Valles, S. M., and C. A. Strong. 2012. Confirmation of the genome position and mass of the viral protein, VP3, of Solenopsis Invicta Virus 1 (Picornavirales: Dicistroviridae) infecting the red imported fire ant (Hymenoptera: Formicadae). Florida Entomologist 95: 494-496.

Valles, S. M., C. A. Strong, E. A. Buss, and D. H. Oi. 2012. Non-enzymatic hydrolysis of RNA in workers of the ant Nylanderia pubens. Journal of Insect Science 12:146: 1-7.

2011

Allen, C., S. M. Valles, and C. A. Strong. 2011. Multiple virus infections occur in individual polygyne and monogyne Solenopsis invicta ants. J. Invert. Pathol. 107: 107-111.

Bakonyi, T., B. Bonning, D. Lightner, Y. C. Chen, N. Nakashima, S. M. Valles, and P. Christian. 2011. Family Dicistroviridae, pp. 840-845. In A. M. Q. King, M. J. Adams, E. B. Carstens and E. J. Lefkowitz [eds.], Virus Taxonomy. Elsevier, Oxford.

Bakonyi, T., B. C. Bonning, D. V. Lightner, Y. C. Chen, N. Nakashima, S. M. Valles, and P. Christian. 2011. Iflaviridae, pp. 846-849. In A. M. Q. King, M. J. Adams, E. B. Carstens and E. J. Lefkowitz [eds.], Virus Taxonomy. Elsevier, Oxford.

Choi, M. Y., R. K. Vander Meer, D. D. Shoemaker, and S. M. Valles. 2011. PBAN gene architecture and expression in the fire ant, Solenopsis invicta. J. Insect Physiol. 57: 161-165.

Valles, S. M., J. J. Becnel, and R. M. Pereira. 2011. Kneallhazia carolinensae sp. nov., a microsporidian pathogen of the thief ant, Solenopsis carolinensis. Journal of Invertebrate Pathology 108: 59-62.

Valles, S. M., and B. Bextine. 2011. Examination of host genome for the presence of integrated fragments of Solenopsis invicta virus 1. Journal of Invertebrate Pathology 107: 212-215.

2010

Allen, C., J. A. Briano, L. Varone, D. H. Oi, and S. M. Valles. 2010. Exploitation of a high genomic mutation rate in Solenopsis invicta virus 1 to infer demographic information about its host, Solenopsis invicta. J. Invert. Path. 105: 105-111.

Allen, H. R., S. M. Valles, and D. M. Miller. 2010. Characterization of Solenopsis invicta (Hymenoptera: Formicidae) populations in Virginia: social form genotyping and pathogen/parasitoid detection. Florida Entomol. 93: 80-88.

Ascunce, M. S., S. M. Valles, D. H. Oi, D. D. Shoemaker, R. M. Plowes, L. E. Gilbert, E. G. Lebrun, H. Sanchez-Arroyo, and S. Sanchez-Pena. 2010. Molecular diversity of the microsporidium Kneallhazia solenopsae reveals an expanded host range among fire ants in North America. J. Invert. Pathol. 105: 279-288.

Choi, M. Y., R. K. Vander Meer, and S. M. Valles. 2010. Molecular diversity of PBAN family peptides from fire ants. Arch. Insect Biochem. Physiol. 74: 67-80.

Oi, D. H., S. M. Valles, and J. A. Briano. 2010. Laboratory host specificity testing of the fire ant microsporidian pathogen Vairimorpha invictae (Microporidia: Burenellidae). Biological Control 53: 331-336.

Valles, S. M., C. Allen, L. Varone, and J. Briano. 2010. Complete genome sequence of an Argentinean isolate of Solenopsis invicta virus 3. Virus Genes 40: 293-297.

Valles, S. M., D. H. Oi, and S. D. Porter. 2010. Seasonal variation and the co-occurrence of four pathogens and a group of parasites among monogyne and polygyne fire ant colonies. Biol. Control 54: 342-348.

Yang, C. C., Y. C. Yu, S. M. Valles, D. H. Oi, Y. C. Chen, D. D. Shoemaker, W. J. Wu, and C. J. Shih. 2010. Loss of microbial (pathogen) infections associated with recent invasions of the red imported fire ant Solenopsis invicta. Biol. Invasions 12: 3307-3318.

2009

Oi, D. H., S. D. Porter, S. M. Valles, J. A. Briano, and L. A. Calcaterra. 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)? Biol. Control 48: 310-315.

Oi, D. H., and S. M. Valles. 2009. Fire ant control with entomopathogens in the USA, pp. 237-257. In A. E. Hajek, T. R. Glare and M. O'Callaghan [eds.], Use of microbes for control and eradication of invasive arthropods. Springer Science+Business Media B.V.

Oliver, J. B., R. K. Vander Meer, S. A. Ochieng, N. N. Youssef, E. Pantaleoni, F. A. Mrema, K. M. Vail, J. P. Parkman, S. M. Valles, W. G. Haun, and S. Powell. 2009. Statewide survey of imported fire ant (Hymenoptera: Formicidae) populations in Tennessee. J. Entomol. Sci. 44: 149-157.

Valles, S. M., and Y. Hashimoto. 2009. Isolation and characterization of Solenopsis invicta virus 3, a new positive-strand RNA virus infecting the red imported fire ant, Solenopsis invicta. Virology 388: 354-361.

Valles, S. M., D. H. Oi, and S. D. Porter. 2009. Kneallhazia (=Thelohania) Solenopsae infection rate of Pseudacteon curvatus flies determined by multiplex PCR. Florida Entomol. 92: 344-349.

Valles, S. M., L. Varone, L. Ramirez, and J. Briano. 2009. Multiplex detection of Solenopsis invicta viruses -1, -2 and -3. J. Virological Methods 162: 276-279.

2008

Hashimoto, Y., and S. M. Valles. 2008. Detection and quantitation of Solenopsis invicta virus-2 genomic and intermediary replicating viral RNA in fire ant workers and larvae. J. Invert. Path. 98: 243-245.

Hashimoto, Y., and S. M. Valles. 2008. Infection characteristics of Solenopsis invicta virus 2 in the red imported fire ant, Solenopsis invicta. J. Invert. Pathol. 99: 136-140.

Valles, S. M., and Y. Hashimoto. 2008. Characterization of structural proteins of Solenopsis invicta virus 1. Virus Research 136: 189-191.

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, Feb. 19, 2008

Valles, S. M., C. A. Strong, W. B. Hunter, P. M. Dang, R. M. Pereira, D. H. Oi, and D. F. Williams. 2008. Expressed sequence tags from the red imported fire ant, Solenopsis invicta: Annotation and utilization for discovery of viruses. J. Invert. Pathol. 99: 74-81.

2007

Hashimoto, Y., and S. M. Valles. 2007. Solenopsis invicta virus-1 tissue tropism and intra-colony infection rate in the red imported fire ant: A quantitative PCR-based study. J. Invert. Pathol. 96: 156-161.

Hashimoto, Y., S. M. Valles, and C. A. Strong. 2007. Detection and quantitation of Solenopsis invicta virus in fire ants by real-time PCR. J. Virological Methods 140: 132-139.

Porter, S. D., S. M. Valles, T. S. Davis, J. A. Briano, L. A. Calcaterra, D. H. Oi, and A. Jenkins. 2007. Host specificity of the microsporidian pathogen Vairimorpha invictae at five field sites with infected Solenopsis invicta fire ant colonies in northern Argentina. Florida Entomol. 90: 447-452.

Valles, S. M. 2007. Ethanol preservation of fire ants allows for retrospective screening for Solenopsis invicta virus-1. Florida Entomol. 90: 577-578.

Valles, S. M., and S. D. Porter. 2007. Pseudacteon decapitating flies: potential vectors of a fire ant virus? Florida Entomol. 90: 268-270.

Valles, S. M., C. A. Strong, and Y. Hashimoto. 2007. A new positive-strand RNA virus with unique genome characteristics from the red imported fire ant, Solenopsis incivta. Virology 365: 457-463.

Valles, S. M., C. A. Strong, D. H. Oi, S. D. Porter, R. M. Pereira, R. Vander Meer, Y. Hashimoto, L. M. Hooper-Bui, H. Sanchez-Arroyo, T. Davis, V. Karpakakunjaram, K. M. Vail, L. C. Graham, J. A. Briano, L. A. Calcaterra, L. E. Gilbert, R. Ward, K. Ward, J. B. Oliver, G. Taniguchi, and D. C. Thompson. 2007. Phenology, distribution, and host specificity of Solenopsis invicta virus-1. J. of Invert. Pathol. 96: 18-27.

Vander Meer, R. K., R. M. Pereira, S. D. Porter, S. M. Valles, and D. H. Oi. 2007. Area-wide supression of invasive fire ant Solenopsis spp. populations, pp. 487-496. In M. J. B. Vreysen, A. S. Robinson and J. Hendrichs [eds.], Area-wide control of insect pests.

2006

Briano, J., L. Calcaterra, R. K. Vander Meer, S. M. Valles, and J. Livore. 2006. New survey for the fire ant microsporidia Vairimorpha invictae and Thelohania solenopsae in southern South America, with observations on their field persistence and prevalence of dual infections. Environ. Entomol. 35.

Perera, O. P., S. M. Valles, T. B. Green, S. White, C. A. Strong, and J. J. Becnel. 2006. Molecular annalysis of an occlusion body protein from Culex nigripalpus nucleopolyhedrovirus (CuniNPV). Journal of Invertebrate Pathology 91: 35-42.

Valles, S. M., and Y. Chen. 2006. Serendipitous discovery of an RNA virus from the cricket, Acheta domesticus. Florida Entomol. 89: 282-283.

Valles, S. M., O. P. Perera, and C. A. Strong. 2006. Gene structure and expression of the glutathione S-transferase, SiGSTS1, from the red imported fire ant, Solenopsis invicta. Archives of Insect Biochemistry and Physiology 61: 239-245.

2005

Oi, D. H., J. A. Briano, S. M. Valles, and D. F. Williams. 2005. Transmission of Vairimorpha invictae (Microsporidia: Burenellidae) infections between red imported Wre ant (Hymenoptera: Formicidae) colonies. Journal of Invertebrate Pathology 88: 108-115.

Valles, S. M., and R. M. Pereira. 2005. Developmental expression of a transferrin in the red imported fire ant, Solenopsis invicta. Florida Entomologist 88: 541-543.

Valles, S. M., and R. M. Pereira. 2005. Solenopsis invicta transferrin: cDNA cloning, gene architecture, and up-regulation in response to Beauveria bassiana infection. Gene 358: 60-66.

Valles, S. M., and C. A. Strong. 2005. Solenopsis invicta virus-1A (SINV-1A): Distinct species or genotype of SINV-1? Journal of Invertebrate Pathology 88: 232-237.

2004

Oi, D. H., S. M. Valles, and R. M. Pereira. 2004. Prevalence of Theolohania solenopsae (Microsporidia: Thelohaniidae) infection in monogyne and polygyne red imported fire ant (Hymenopera: Formicidae). Environ. Entomol. 33: 340-345.

Valles, S. M. 2004. Insecticides, pp. 1191-1197. In J. L. Capinera [ed.], Encyclopedia of Entomology. Kluwer Academic Publishers, Norwell, MA.

Valles, S. M., and J. A. Briano. 2004. Presence of Thelohania Solenopsae and Vairimorpha invicta in South American Populations of Solenopsis invicta. Florida Entomol. 87: 625-627.

Valles, S. M., D. H. Oi, J. A. Briano, and D. F. Williams. 2004. Simultaneous setection of Vairimorpha invictae (Microsporidia: burenellidae) and Thelohania solenopsae (Microsporidia: Thelohaniidae) in fire ant by PCR. Florida Entomol. 87: 85-87.

Valles, S. M., C. A. Strong, P. M. Dang, W. B. Hunter, R. M. Pereira, D. H. Oi, A. M. Shapiro, and D. F. Williams. 2004. A picorna-like virus from the red imported fire ant, Solenopsis invicta: initial discovery, genome sequence, and characterization. Virology 328: 151-157.

2003

Valles, S. M., and R. M. Pereira. 2003. Use of ribosomal DNA sequence data to characterize and detect a neogregarine pathogen of Solenopsis invicta (Hymenotera: Formicidae). J. Intervertebrate Pathology 84: 114-118.

Valles, S. M., and R. M. Pereira. 2003. Hydramethylnon Potentiation in Solenopsis invicta by Infection with the Microsporidian Thelohania solenopsae. Biological Control 27: 95-99.

Valles, S. M., O. P. Perera, and C. A. Strong. 2003. Purification, biochemical characterization, and cDNA cloning of a Glutathione S-transferase from the red imported fire ant, Solenopsis invicta. J. Insect Biochem. and Molecular Biol. 33: 981-988.

Valles, S. M., and S. D. Porter. 2003. Identification of polygyne and monogyne fire ant colonies (Solenopsis invicta) by multiplex PCR of Gp-9 alleles. Insectes Sociaux 50: 1-2.

2002

Valles, S. M., D. H. Oi, O. P. Perera, and D. F. Williams. 2002. Detection of Thelohania solenopsae (Microsporidia: Thelohaniidae) in Solenopsis invicta (Hymenoptera: Formicidae) by multiplex PCR. J. Invertebr. Pathol. 81: 196-201.

2001

Valles, S.M. & C.A. Strong. 2001. A microsomal esterase involved in cypermethrin resistance in the German cockroach, Blattella germanica. Pestic. Biochem. Physiol. 71: 56-67.

Sanchez-Arroyo, H., P.G. Koehler, & S.M. Valles. 2001. Effects of the synergists piperonyl butoxide and S,S,S,-tributylphosphorotrithioate on propoxur pharmacokinetics in Blattella germanica (Blattodea: Blattellidae). J. Econ. Entomol. 94: 1209-1216.

Valles, S.M., F. M. Oi, and C.A. Strong. 2001. Purification and Characterization of trans-Permethrin-Metabolizing Microsomal Esterases from the Eastern Subterranean Termite, Reticulitermes flavipes (Isoptera: Rhinotermitidae). Insect Biochem. Mol. Biol. 31: 715-725.

2000

Strong, C.A., S.M. Valles, P.G. Koehler & R.J. Brenner. 2000. Residual Effectiveness of Blatticides Applied to Surfaces Contaminated with German Cockroach (Dictyoptera: Blattellidae) Feces. Florida Entomol. (In press).

Liu, Z., S.M. Valles & K. Dong. 2000. Novel Point Mutations in the German Cockroach para Sodium Channel Gene are Associated with Knockdown Resistance (kdr) to Pyrethroid Insecticides. Insect Biochem. Mol. Biol. (In press).

Valles, S.M., F.M. Oi, T. Wagner, and R. J. Brenner. 2000. Toxicity and In Vitro Metabolism of trans-Permethrin in Eastern Subterranean Termite. J. Econ. Entomol. (In press).

Valles, S.M., K. Dong & R.J. Brenner. 2000. Mechanisms Responsible for Cypermethrin Resistance in a Strain of German Cockroach, Blattella germanica. Pestic. Biochem. Physiol. 66: 195-205.

1999

Valles, S.M., P.G. Koehler & R.J. Brenner. 1999. Comparative Insecticide Susceptibility and Detoxification Enzyme Activities Among Pestiferous Blattodea. Comp. Biochem. Physiol. 124C: 227-232.

Valles, S.M. & R.J. Brenner. 1999. Variation in Hydramethylnon Susceptibility Among Insecticide-Resistant German Cockroaches (Blattodea: Blattellidae). J. Econ. Entomol. 92: 617-623.

Valles, S.M. 1999. -Cyhalothrin Resistance Detection in the German Cockroach, (Blattodea: Blattellidae). J. Econ. Entomol. 92: 293-297.

1998

Valles, S.M. 1998. Toxicological and Biochemical Studies with Field Populations of the German Cockroach, Blattella germanica. Pestic. Biochem. Physiol. 62: 190-200.

Valles, S.M., W.L.A. Osbrink, F.M. Oi, R.J. Brenner, & J.E. Powell. 1998. Cytochrome P450 Monooxygenase Activity in the Dark Southern Subterranean Termite (Isoptera: Rhinotermitidae). J. Econ. Entomol. 91: 1131-1135.

Dong, K., S.M. Valles, M.E. Scharf, B. Zeichner, G.W. Bennett. 1998. The Knockdown Resistance (kdr) Mutation in Pyrethroid-Resistant German Cockroaches. Pestic. Biochem. Physiol. 60: 195-204.

1997

Valles, S.M. 1997. Stage-Dependent Bendiocarb Tolerance in the German Cockroach (Dictyoptera: Blattellidae). J. Entomol. Sci. (In Press).

Valles, S.M., H. Sánchez-Arroyo, & P.G. Koehler. 1997. Temperature Effects on -Cyhalothrin Toxicity in Insecticide-Resistant and -Susceptible German Cockroaches (Dictyoptera: Blattellidae). Florida Entomol. (in press).

Valles, S.M., P.G. Koehler, & R.J. Brenner. 1997. Antagonism of Fipronil Toxicity by Piperonyl Butoxide and S,S,S-Tributyl Phosphorotrithioate in the German Cockroach. J. Econ. Entomol. 90: 1254-1258.

Yu, S.J. & S.M. Valles. 1997. Carboxylamidase Activity in the Fall Armyworm (Lepidoptera: Noctuidae) and Other Lepidoptera, Orthoptera, and Dictyoptera. J. Econ. Entomol. 90: 1521-1527.

Valles, S.M. 1997. A Vacuum-Assisted Apparatus for Collection of Live German Cockroaches (Dictyoptera: Blattellidae) from the Field. J. Entomol. Sci. 32: 416-420.

1996

Valles, S.M. & S.J. Yu. 1996. German Cockroach (Dictyoptera: Blattellidae) Gut Contents Inhibit Cytochrome P450 Monooxygenases. J. Econ. Entomol. 89: 1508-1512.

Valles, S.M., S.J. Yu, & P.G. Koehler. 1996. Biochemical Mechanisms Responsible for Stage-Dependent Propoxur Tolerance in the German Cockroach. Pestic. Biochem. Physiol. 54: 172-180.

Valles, S.M. & S.J. Yu. 1996. Tissue Localization, Developmental Expression, and Induction of Cytochrome P450 Monooxygenases in the German Cockroach. Pestic. Biochem. Physiol. 54: 31-39.

Valles, S.M., C.A. Strong, & P.G. Koehler. 1996. Inter- and Intra-Instar Food Consumption in the German Cockroach, Blattella germanica. Entomol. Exp. Appl. 79: 171-178.

Valles, S.M. & S.J. Yu. 1996. Detection and Biochemical Characterization of Insecticide Resistance in the German Cockroach (Dictyoptera: Blattellidae). J. Econ. Entomol. 89: 21-26.

1994

Valles, S.M., S.J. Yu, & P.G. Koehler. 1994. Detoxifying Enzymes in Adults and Nymphs of the German Cockroach: Evidence for Different Microsomal Monooxygenase Systems. Pestic. Biochem. Physiol. 49: 183-190.

Valles, S.M. & P.G. Koehler. 1994. Influence of Carbon Dioxide Anesthesia on Chlorpyrifos Toxicity in the German Cockroach (Dictyoptera: Blattellidae). J. Econ. Entomol. 87: 709-713.

1993

Valles, S.M. & J.L. Capinera. 1993. Response of Southern Armyworm, Spodoptera eridania (Lepidoptera: Noctuidae), Larvae to Selected Botanical Insecticides and Soap. J. Agric. Entomol. 10: 145-153.

Koehler, P.G., C.A. Strong, R.S. Patterson, & S.M. Valles. 1993. Differential Susceptibility of German Cockroach (Dictyoptera: Blattellidae) Sexes and Nymphal Age Classes to Insecticides. J. Econ. Entomol. 86: 785-792.

1992

Valles, S.M., R.R. Heath, & J.L. Capinera. 1992. Production and Release of Sex Pheromone by Diaphania nitidalis (Lepidoptera: Pyralidae): Periodicity, Age, and Density Effects. Ann. Entomol. Soc. Am. 85: 731-735.

Valles, S.M. & J.L. Capinera. 1992. Periodicity of Attraction of Adult Melonworm, Diaphania hyalinata. Florida Entomol. 75:390-392.

1991

Valles, S.M., J.L. Capinera, & P.E.A. Teal. 1991. Evaluation of Pheromone Trap Design, Height, and Efficiency for Capture of Male Diaphania nitidalis (Stoll) (Lepidoptera: Pyralidae) in a Field Cage. Environ. Entomol. 20: 1274-1278.

Other Publications:

2008

Valles, S. M. 2008. Positive-strand RNA viral infections of the red imported fire ant, Solenopsis invicta. 41st Annual Meeting of the Society for Invertebrate Pathology, August 3-7, 2008, p. 121.

2005

Valles, S. M., and R. M. Pereira. 2005. Up-regulation of a transferrin gene in response to fungal infection in Solenopsis invicta. Annual Red Imported Fire Ant Conference, March 22-34, 2005, Gulfport, Mississippi, pp. 83.

Vander Meer, R. K., R. M. Pereira, S. D. Porter, S. M. Valles, and D. H. Oi. 2005. Areawide suppression of invasive fire ant populations, pp. 78-79, Proceedings of the 2nd FAO /IAEA International Conference on Area-wide Pest Management. Vienna International Centre, Vienna, Austria.

Valles, S.M. 2000. What Makes Roaches Resistant? Pest Control Magazine. April: 58-61.

Hashimoto, Y., and S.M. Valles. 2007. Solenopsis invicta virus 1 tissue tropism and intra-colony infection rate in the red imported fire ant: A quantitative PCR-based study. Proceedings of the 2007 Imported Fire Ant Conference, Gainesville, FL, 4/23-25/07.

Vander Meer, R.K., R.M. Pereira, S.D. Porter, S.M. Valles, and D.H. Oi. 2005. Areawide suppression of invasive fire ant populations. FAO/IAEA International Conference, Area-Wide Control of Insects, Proceedings of the International Atomic Energy Agency, Vienna, Austria, 5/9-13/05.

Oi, D., S.M. Valles, and R. Pereira. 2003. Prevalence of the fire ant pathogen Thelohania solenopsae in monogyne and polygyne colonies. Proceedings of the 2003 Imported Fire Ant Conference, Palm Springs, CA, 3/30-4/1/03.

Valles, S.M. 2001. Membrane-bound Esterase Involvement in Cypermethrin Resistance in the German Cockroach, Blattella germanica. Resistant Pest Management Newsletter. Michigan State University. 11(1): 25-28.

Liu, Z., J. Tan, T-D. Tsai, S. Valles, A. Goldin, & K. Dong. 2001. Knockdown resistance (kdr) to pyrethroid insecticides in the German cockroach. Resistant Pest Management Newsletter. Michigan State University. 11(1): 25.

Valles, S.M. Relationship Between Insecticide Resistance Level and Detoxification Enzyme Activity in the German Cockroach: Can Surrogate Substrates be Used to Detect Resistance? Proceedings of the National Conference on Urban Entomology, 1998.

Valles, S.M., W.L.A. Osbrink, F.M. Oi, R.J. Brenner, and J.E. Powell. Characterization of Cytochrome P450 Monoxygenases in the Dark Southern Subterranean Termite, Reticulitermes virginicus. Proceedings of the National Conference on Urban Entomology, 1998.

Valles, S.M. 1998. Status of Cockroach Resistance and Field Testing Methods. 1998 Department of Defense Pest Management Workshop, "Force Protection and Environmental Stewardship." 24 February 1998.

Valles, S.M. 2004. "Insecticides" J.L. Capinera [ed.] Encyclopedia of Entomology, Kluwer Academic Press, pp. 40-49.

Valles, S.M. & S.J. Yu. 1997. Insecticide Susceptibility in the German Cockroach: Developmental Aspects. Research Signpost "Recent Research Developments in Entomology" 1: 37-47.

Valles, S.M. 1996. Extension fact sheet on German cockroach biology and management available on the World Wide Web at GNV.IFAS.UFL.EDU/~INSECT/.

Valles, S.M. and P.G. Koehler. 1996. Insecticides Used in the Urban Environment: Mode of Action. University of Florida Extension Fact Sheet #ENY-282.

Valles, S.M. 1994. Alternatives to Traditional Pesticides, in, Least Toxic Household Pest Control Using IPM Strategies, University of Florida Cooperative Extension Service.