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United States Department of Agriculture

Agricultural Research Service

Maribel Portilla

Research Entomologist


Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Evidence of multiple/cross resistance to Bt and Organophosphate insecticides in Puerto Rico population of the fall armyworm, Spodoptera frugiperda - (Peer Reviewed Journal) - (12-Jan-15)
Effects of morning and night application of Beauveria bassiana strains NI8 and GHA against the tarnished plant bug in cotton - (Abstract Only)
Portilla, M., Snodgrass, G.L., Luttrell, R.G. 2014. Effects of morning and night application of Beauveria bassiana strains NI8 and GHA against the tarnished plant bug in cotton. National Cotton Council Beltwide Cotton Conference. Belwide Cotton conference, January 5-8, 2014, New Orleans, LA. pp.729-734.
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.
A novel bioassay to evaluate the potential of Beauveria bassiana strain NI8 and the Insect growth regulator novaluron against Lygus lineolaris on a non-autoclaved solid artificial diet Reprint Icon - (Peer Reviewed Journal)
Portilla, M., Snodgrass, G.L., Luttrell, R.G. 2014. A novel bioassay to evaluate the potential of Beauveria bassiana strain NI8 and the Insect growth regulator novaluron against Lygus lineolaris on a non-autoclaved solid artificial diet. Journal of Insect Science. 14:1-13. Available online: http://www.insectscience.org/14.114.
Life tables as tools of evaluation and quality control for arthropod mass production - (Book / Chapter)
Portilla, M., Morales Ramos, J.A., Rojas, M.G., Blanco, C. 2013. Life tables as tools of evaluation and quality control for arthropod mass production. In: J. A. Morales-Ramos, M. G. Rojas and D. I. Shapiro-Ilan [Eds.]. Mass Production of Beneficial Organisims: Invertebrates and Entomopathogens. Academic Press, San Diego, CA. pgs 241-275.
Field evaluation on the lethal effect of Beauveria bassiana strains NI8 and GHA against the tarnished plant bug in cotton - (Abstract Only)
Portilla, M., Snodgrass, G.L., Luttrell, R.G. 2014. Field evaluation on the lethal effect of Beauveria bassiana strains NI8 and GHA against the tarnished plant bug in cotton. National Cotton Council Beltwide Cotton Conference. Proceeding of Beltwide Cotton Conferences, January 7-10, 2013 San Antonio, Texas p.254.
Use of a mustard trap crop to study efficacy of Beauveria bassiana treatments to corn and soybean for control of tarnished plant bug in cotton - (Abstract Only)
Luttrell, R.G., Houston, R.O., Portilla, M., Snodgrass, G.L., Jackson, R.E. 2013. Use of a mustard trap crop to study efficacy of Beauveria bassiana treatments to corn and soybean for control of tarnished plant bug in cotton. National Cotton Council Beltwide Cotton Conference. Beltwide Cotton Conference, January 7-10, 2013, San Antonio, TX. p.1007.
A novel bioassay to evaluate Beauveria bassiana strain NI8 and the insect growth regulator, novaluron, against Lygus lineolaris on a non-autoclaved solid artificial diet - (Abstract Only)
Portilla, M., Snodgrass, G.L., Luttrell, R.G. 2012. A novel bioassay to evaluate Beauveria bassiana strain NI8 and the insect growth regulator, novaluron, against Lygus lineolaris on a non-autoclaved solid artificial diet. National Entomological Society of America Annual Meeting. Proceeding of 3rd Intenational Lygus Symposium, October 28-31, 2012, Scottsdal, AZ. http://ag.arizona.edu/apmc/3rdILS/Presentations_and_Posters/Portilla_poster.pdf
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.
First microsatellites developed from Spodoptera frugiperda and their potential use for population genetics - (Abstract Only)
Arias De Ares, R.S., Blanco, C.A., Portilla, M., Snodgrass, G.L., Scheffler, B.E. 2011. First microsatellites developed from Spodoptera frugiperda and their potential use for population genetics. Entomology Society America Annual Meeting. 104(3):516-587.
First microsatellites from Spodoptera frugiperda (Lepidoptera: Noctuidae) and their potential use for population genetics - (Peer Reviewed Journal)
Arias, R.S., Blanco, C.A., Portilla, M., Snodgrass, G.L., Scheffler, B.E. 2011. First microsatellites from Spodoptera frugiperda (Lepidoptera: Noctuidae) and their potential use for population genetics. Annals of the Entomological Society of America. 104(3):576-587.
Efecto de la dieta artificial MP sobre la emergencia y relacion de sexos de Phymastichus coffea (Hymenoptera:Eulophidae) mantenido sobre su hueped, Hypothenemus hampei (Coleoptera: Scloytidae)a traves de generaciones contin - (Peer Reviewed Journal) - (10-Oct-10)
Aspectos de biología y tablas de vida de Cephalonomia stephanoderis y Prorops nasuta (Himenoptera: Bethilidae) sobre su hospedero la broca del café criada en la dieta artificial Cenibroca modificada. - (Peer Reviewed Journal) - (10-Oct-10)
Susceptibility of Spodoptera frugiperda (Lepidoptera: noctuidae) isofamilies to Cry1Ac and Cry1F proteins of Bacillus thuringiensis - (Peer Reviewed Journal)
Blanco, C., Portilla, M., Jurat-Fuentes, J., Sanchez, J.F., Viteri, D., Vega-Aquin, P., Teran-Vargas, A.P., Azuara-Dominguez, A., Lopez, J., Arias De Ares, R.S., Zhu, Y., Barrera, D., Jackson, R.E. 2010. Susceptibility of Spodoptera frugiperda (Lepidoptera: noctuidae) isofamilies to Cry1Ac and Cry1F proteins of Bacillus thuringiensis. Southwestern Entomologist. 35(3):409-415.
Life Table and Laboratory Rearing of Nezara viridula (L.) (Heteroptera: Pentatomidae) on two Artificial Diets - (Other)
Portilla, M., Streett, D. A. 2008. Life Table and Laboratory Rearing of Nezara viridula (L.) (Heteroptera: Pentatomidae) on two Artificial Diets. Meeting Abstract.
Producción masiva automatizada de la broca del café Hypothenemus hampei Ferrari (Coleóptera: Scolytidae) y de sus parasitoides sobre dietas artificiales - (Peer Reviewed Journal)
Portilla, M., Streett, D.A. 2008. Producción masiva automatizada de la broca del café Hypothenemus hampei Ferrari (Coleóptera: Scolytidae) y de sus parasitoides sobre dietas artificiales.. Sistemas Agroecologicos y Modelos Biomatematicos. 1(1)9-24.
Plant Host Effect on the Development of Heliothis virescens (F.) (Lepidoptera: noctuidae) - (Peer Reviewed Journal)
Blanco, C.A., Teran-Vargas, A.P., Abel, C.A., Portilla, M., Rojas, M.G., Morales Ramos, J.A. 2008. Plant Host Effect on the Development of Heliothis virescens (F.) (Lepidoptera: noctuidae). Environmental Entomology. 37(6):1538-1547.
Soybean Flour and Wheat Germ Proportions in Insect Artificial Diet and Their Effect on the Growth Rates of Heliothis virescens (F.) (Lepidoptera: Noctuidae) - (Peer Reviewed Journal)
Blanco, C.A., Portilla, M., Abel, C.A., Winters, H.E., Ford, R.L., Streett, D.A. 2009. Soybean Flour and Wheat Germ Proportions in Insect Artificial Diet and Their Effect on the Growth Rates of Heliothis virescens (F.) (Lepidoptera: Noctuidae). Journal of Insect Science. 9:52
Nueva dieta artificial para la producción masiva de Phymastichus Coffea (Himenóptera: Eulophidae) parasitoide de la broca del café, Hypothenemus hampei (Coleoptera: Scolytidae). - (Abstract Only)
Portilla, M., Streett, D.A. 2007. Nueva dieta artificial para la producción masiva de Phymastichus Coffea (Himenóptera: Eulophidae) parasitoide de la broca del café, Hypothenemus hampei (Coleoptera: Scolytidae). Entomological Society of Peru. XLIX Resumenes p. 35.
Developing Methods to Evaluate Reproduction Rates of Pseudacteon curvatus (Diptera: Phoridae) in Solenopsis richteri (Hymenoptera: Formicidae) - (Proceedings)
Portilla, M., Streett, D.A., Vogt, J.T. Developing Methods to Evaluate Reproduction Rates of Pseudacteon curvatus (Diptera: Phoridae) in Solenopsis richteri (Hymenoptera: Formicidae). Imported Fire Ants Conference Proceedings. pp. 78-79. 2007.
Producción masiva automatizada de la broca del café, Hypothenemus hampei (Coleoptera: Scolytidae) sobre la dieta artificial Cenibroca modificada. - (Proceedings)
Portilla, M., Streett, D.A. 2007. Producción masiva automatizada de la broca del café, Hypothenemus hampei (Coleoptera: Scolytidae) sobre la dieta artificial Cenibroca modificada.. Manejo Da Broca-Do-Cafe' Workshop International. 185-192pp.
Last Modified: 9/11/2013
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