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United States Department of Agriculture

Agricultural Research Service

Omaththage P. Perera

Research Entomologist


Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Challenges to monitoring Bt resistance in Helicoverpa zea - (Abstract Only)
Little, N., Luttrell, R.G., Perera, O.P. 2014. Challenges to monitoring Bt resistance in Helicoverpa zea. National Cotton Council Beltwide Cotton Conference. Proceedings of the Beltwide Cotton Conferences. January 6-8, 2014 New Orleans, LA p.699.
Cloning and expression profiling of odorant-binding proteins in the tarnished plant bug, Lygus lineolaris Reprint Icon - (Peer Reviewed Journal)
Hull, J.J., Perera, O.P., Snodgrass, G.L. 2014. Cloning and expression profiling of odorant-binding proteins in the tarnished plant bug, Lygus lineolaris. Insect Molecular Biology. 23(1):78-97.
A comparison of diapause termination in tarnished plant bugs (Hemiptera: Miridae) from the Mississippi Delta and Springfield, Illinois - (Peer Reviewed Journal)
Snodgrass, G.L., Jackson, R.E., Perera, O.P., Allen, K.C., Portilla, M. 2013. A comparison of diapause termination in tarnished plant bugs (Hemiptera: Miridae) from the Mississippi Delta and Springfield, Illinois. Southwestern Entomologist. 38(3):385-392.
Analysis of the population structure of Macrolophus pygmaeus (Rambur) (Heteroptera: miridae) in the palaearctic region using microsatellite markers - (Peer Reviewed Journal)
Sanchez, J., La Spina, M., Perera, O.P. 2012. Analysis of the population structure of Macrolophus pygmaeus (Rambur) (Heteroptera: miridae) in the palaearctic region using microsatellite markers. Ecology and Evolution. 2(12):3145-3159. DOI: 10.1002/ece3.420.
Effect of food and temperature on emergence from diapause in the tarnished plant bug (Hemiptera: Miridae) - (Peer Reviewed Journal)
Snodgrass, G.L., Jackson, R.E., Perera, O.P., Allen, K.C., Luttrell, R.G. 2012. Effect of food and temperature on emergence from diapause in the tarnished plant bug (Hemiptera: Miridae). Environmental Entomology. 41:1302-1310.
Genetic structure and gene flow among Brazilian populations of Heliothis virescens (F.) (Lepidoptera: Noctuidae) - (Peer Reviewed Journal)
Domingues, F.A., Silva-Brandao, K.L., Abreu, A.G., Perera, O.P., Blanco, C.A., Consoli, F.L., Omoto, C. 2012. Genetic structure and gene flow among Brazilian populations of Heliothis virescens (F.) (Lepidoptera: Noctuidae). Journal of Economic Entomology. 105(6)2136-46.
Identification of the western tarnished plant bug (lygus hesperus) olfactory co-receptor orco: expression profile and confirmation of atypical membrane topology - (Peer Reviewed Journal)
Hull, J.J., Hoffmann, E.J., Perera, O.P., Snodgrass, G.L. 2012. Identification of the western tarnished plant bug (lygus hesperus) olfactory co-receptor orco: expression profile and confirmation of atypical membrane topology. Archives of Insect Biochemistry and Physiology. 81(4):179-198.
Analysis of carbon and nitrogen isotopes for natal host determination of tarnished plant bug (Hemiptera: miridae) adults - (Peer Reviewed Journal)
Jackson, R.E., Snodgrass, G.L., Allen, K.C., Perera, O.P., Price, L.D. 2012. Analysis of carbon and nitrogen isotopes for natal host determination of tarnished plant bug (Hemiptera: miridae) adults. Southwestern Entomologist. 37:123-132.
The complete genome sequence of a single-stranded RNA virus from the tarnished plant bug Lygus lineolaris (Palisot de Beauvois) Reprint Icon - (Peer Reviewed Journal)
Perera, O.P., Snodgrass, G.L., Allen, K.C., Jackson, R.E., Becnel, J.J., O'Leary, P.F., Luttrell, R.G. 2012. The complete genome sequence of a single-stranded RNA virus from the tarnished plant bug Lygus lineolaris (Palisot de Beauvois). Journal of Invertebrate Pathology. 109:11-19.
Utilization of tall goldenrod by the tarnished plant bug (Hemiptera: Miridae) in the production of overwintering adults and as a possible winter food source - (Peer Reviewed Journal)
Snodgrass, G.L., Jackson, R.E., Perera, O.P., Allen, K.C., Luttrell, R.G. 2011. Utilization of tall goldenrod by the tarnished plant bug (Hemiptera: Miridae) in the production of overwintering adults and as a possible winter food source. Southwestern Entomologist. 3:225-232.
Evaluation of anonymous and expressed sequence tag derived polymorphic microsatellite markers in the tobacco budworm Heliothis virescens (Lepidoptera: noctuidae) Reprint Icon - (Peer Reviewed Journal)
Perera, O.P., Blanco, C.A., Ballard, L., Silva-Brandao, K.L., Domingues, F.A., Abel, C.A. 2011. Evaluation of anonymous and expressed sequence tag derived polymorphic microsatellite markers in the tobacco budworm Heliothis virescens (Lepidoptera: noctuidae). Southwestern Entomologist. 36(3):287-294.
Microsatellite variation in Helicoverpa zea (Boddie) populations in the southern United States Reprint Icon - (Peer Reviewed Journal)
Perera, O.P., Blanco, C. 2011. Microsatellite variation in Helicoverpa zea (Boddie) populations in the southern United States. Southwest Entomology. 36(3):271-286.
Reduced levels of membrane-bound alkaline phosphatase are common to lepidopteran strains resistant to Cry toxins from Bacillus thuringiensis - (Peer Reviewed Journal)
Jurat-Fuentes, J., Karumbahiah, L., Jakka, S.K., Ning, C., Liu, C., Wu, K., Jackson, J., Gould, F., Blanco, C., Portilla, M., Perera, O.P., Adang, M.J. 2011. Reduced levels of membrane-bound alkaline phosphatase are common to lepidopteran strains resistant to Cry toxins from Bacillus thuringiensis. PLoS One. 6:e17606.
Characterization of ten polymorphic microsatellite markers in Macrolophus pygmaeus (Rambur) (Heteroptera: Miridae) - (Peer Reviewed Journal) - (25-Jan-11)
Draft Transcriptome Assembly of the Tobacco Budworm, Heliothis virescens (L.) - (Abstract Only)
Shelby, K., Perera, O.P. 2010. Draft Transcriptome Assembly of the Tobacco Budworm, Heliothis virescens (L.) [abstract]. Arthropod Genomics Symposium. 52:37.
Utilization of Early Soybeans for Food and Reproduction by the Tarnished Plant Bug (Heteroptera: Miridae) in the Delta of Mississippi - (Peer Reviewed Journal)
Snodgrass, G.L., Jackson, R.E., Abel, C.A., Perera, O.P. 2010. Utilization of Early Soybeans for Food and Reproduction by the Tarnished Plant Bug (Heteroptera: Miridae) in the Delta of Mississippi. Environmental Entomology. 39(4): 111-121 DOI: 10.1603/EN09379
Offspring from Sequential Matings between Bacillus thuringiensis-Resistant and Bacillus thuringiensis-Susceptible Heliothis virescens Moths (Lepidoptera: Noctuidae) - (Peer Reviewed Journal)
Blanco, C.A., Gould, F., Groot, A., Abel, C.A., Perera, O.P. 2010. Offspring from Sequential Matings between Bacillus thuringiensis-Resistant and Bacillus thuringiensis-Susceptible Heliothis virescens Moths (Lepidoptera: Noctuidae). Journal of Economic Entomology. 103:861-868
Conventional breeding used to improve Bt cotton - (Review Article)
Adamczyk Jr, J.J., Perera, O.P., Meredith Jr, W.R. 2009. Conventional breeding used to improve Bt cotton. Information Systems for Biotechnology News Report.
Response of Heliothis virescens (Lepidoptera: Noctuidae) strains to Bacillus thuringiensis Cry1Ac incorporated into different insect artificial diets - (Peer Reviewed Journal)
Blanco, C.A., Gould, F., Vega-Aquino, P., Jurat-Fuentes, J., Abel, C.A., Perera, O.P. 2009. Response of Heliothis virescens (Lepidoptera: Noctuidae) strains to Bacillus thuringiensis Cry1Ac incorporated into different insect artificial diets. Journal of Economic Entomology. 102(4):1599-1606.
Cloning & Characterization of the Cry1Ac-binding Alkaline Phosphatase (HvALP) from Heliothis virescens - (Peer Reviewed Journal)
Perera, O.P., Willis, J.D., Adang, M.J., Jurat-Fuentes, J. 2009. Cloning & Characterization of the Cry1Ac-binding Alkaline Phosphatase (HvALP) from Heliothis virescens. Insect Biochemistry and Molecular Biology.39:294-302.
Production of mRNA from the cry1Ac Transgene differs among Bollgard® lines which correlates to the level of subsequent protein. - (Peer Reviewed Journal)
Adamczyk Jr, J.J., Perera, O.P., Meredith Jr, W.R. 2009. Production of mRNA from the cry1Ac Transgene differs among Bollgard® lines which correlates to the level of subsequent protein. Transgenic Research. 18:143-149.
Hepatitis virus protein X-Phenylalanine Hydroxylase fusion proteins identified in PKU mice treated with AAV-WPRE vectors - (Peer Reviewed Journal)
Embury, J.E., Frost, S., Charron, C.E., Madrigal, E., Perera, O.P., Poirier, A.E., Zori, A., Carmicalr, R., Flotte, T.R., Laipis, P.J. 2008. Hepatitis virus protein X-Phenylalanine Hydroxylase fusion proteins identified in PKU mice treated with AAV-WPRE vectors . Gene Therapy and Molecular Biology. 12:69-76.
Bacillus thuringiensis Cry1Ac Resistance Frequency in Tobacco Budworm (Lepidoptera: Noctuidae) - (Peer Reviewed Journal)
Blanco, C.A., Andow, D.A., Gould, F., Abel, C.A., Sumerford, D.V., Hernandez, G., Lopez, J., Adams, L.C., Groot, A., Leonard, R., Parker, R., Payne, G., Perera, O.P., Teran-Vargas, A.P. 2009. Bacillus thuringiensis Cry1Ac Resistance Frequency in Tobacco Budworm (Lepidoptera: Noctuidae). Journal of Economic Entomology. 102:381-387
Characteristics of Eleven Polymorphic Microsatellite Markers in the Red Imported Fire Ant, Solenopsis invicta Buren - (Peer Reviewed Journal)
Garlapati, R.B., Cross, D., Perera, O.P., Caprio, M. 2009. Characteristics of Eleven Polymorphic Microsatellite Markers in the Red Imported Fire Ant, Solenopsis invicta Buren. Molecular Ecology Notes. 9:822-824.
An Empirical Test of the F2 Screen for Detection of Bacillus thuringiensis-Resistance Alleles in Tobacco Budworm (Lepidoptera: Noctuidae) - (Peer Reviewed Journal)
Blanco, C.A., Perera, O.P., Gould, F., Sumerford, D.V., Hernanderz, G., Abel, C.A. 2008. An Empirical Test of the F2 Screen for Detection of Bacillus thuringiensis-Resistance Alleles in Tobacco Budworm (Lepidoptera: Noctuidae). Journal of Economic Entomology. 101(4):1406-1414.
Characterization of Microsatellite Loci in the Western Tarnished Plant Bug, Lygus hesperus Knight (Hemiptera: Miridae) - (Peer Reviewed Journal)
Shrestha, R.B., Parajulee, M.N., Perera, O.P., Scheffler, B.E., Densmore, L.S. 2007. Characterization of Microsatellite Loci in the Western Tarnished Plant Bug, Lygus hesperus Knight (Hemiptera: Miridae). Molecular Ecology Notes. 7:1342-1344. (doi:10.1111/j.147-8286.2007.01875.x)
Chararacteristics of Thirteen Polymorphic Microsatellite Markers in the Corn Earworm, Helicovepa zea (Lepidoptera : Noctuidae) - (Peer Reviewed Journal)
Perera, O.P., Blanco C.A., SchefflerB.E., and Abel C.A. 2007. Characteristics of 13 ploymorphic microsatellite makers in the corn earworm, Helicovepa zea (Lepidoptera: Noctuidae). Mol. Ecol. Notes. doi: 10.1111/j.147-8286.2007.01806.x
Monitoring Bacillus thuringiensis-Susceptibility in Insect Pests That Occur in Large Geographies: How to Get the Best Information When Two Countries are Involved - (Peer Reviewed Journal)
Blanco, C.A., Perera O. P., Boykin D., Abel C.A., Gore J., Matten S. R., Ramirez-Sagahon J. C., Teran-Vargas A. P. 2007. Monitoring Bacillus thuringinesis-susceptibility in insect pests that occur in large geographies: How to get the best information when two countries are involved. J. Inv. Pathol. 95:201-207
Characterization of Eight Polymorphic Microsatellite Markers from the Tarnished Plant Bug, Lygus lineolaris (Palisot de Beauvois) - (Peer Reviewed Journal)
Perera O. P., Snodgras G.L., Scheffler B.E., Gore J., and Abel C. A. 2007. characterization of eight ploymorphic microsatelliet markers in the tarnished plant bug, Lygus lineolaris (Palisot de Beauvois). Mol. Ecol. Notes. doi: 10.1111/j.1471-8286.2007.01747.x
Proteins associated with Culex nigripalpus Nucleopolyhedrovirus (CuniNPV) occluded virions Reprint Icon - (Peer Reviewed Journal)
Perera, O.P., Green, T.B., Stevens, S.M., White, S.E., Becnel, J.J. 2007. Proteins associated with Culex nigripalpus Nucleopolyhedrovirus (CuniNPV) occluded virions. Virology. 81(9):4585-4590.
Paternity allocation in a mutant Heliothis virescens colony - (Peer Reviewed Journal)
Blanco, C.A., Perera, O.P., Groot, A., Hernandez, G., Teran-Vargas, A.P. 2008. Paternity Allocation in a Mutant Heliothis virescens Colony. Southwestern Entomologist. 33:253-263.
Incorporation of Rhodamine B into Male Tobacco Budworm Moths Heliothis Virescens to use as a Marker for Mating Studies - (Peer Reviewed Journal)
Blanco, C.A., Perera, O.P., Ray, J.D., Taliercio, E.W., Williams III, L.H. 2006. INCORPORATION OF RHODAMINE B INTO MALE TOBACCO BUDWORM MOTHS HELIOTHIS VIRESCENS TO USE AS A MARKER FOR MATING STUDIES. Journal of Insect Science. 6:05. AVAILABLE ONLINE: insectscience.org/6.05.
Molecular Analysis of An Occlusion Body Protein from Culex Nigripalpus Nucleopolyhedrovirus (Cuninpv) - (Peer Reviewed Journal)
Perera, O.P., Valles, S.M., Green, T.B., White, S.E., Strong, C.A., Becnel, J.J. 2006. MOLECULAR ANALYSIS OF AN OCCLUSION BODY PROTEIN FROM CULEX NIGRIPALPUS NUCLEOPOLYHEDROVIRUS (CUNINPV). Journal of Invertebrate Pathology. 91(1):35-42.
Gene Structure and Expression of the Glutathione S-Transferase, Sigsts1, from the Red Imported Fire Ant, Solenopsis Invicta - (Peer Reviewed Journal)
Valles, S.M., Perera, O.P., Strong, C.A. 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.
Last Modified: 9/11/2013
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