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ARS Home » Southeast Area » Stoneville, Mississippi » Biological Control of Pests Research » People & Locations » Maria Rojas (Guadalupe)
Maria G Rojas (Guadalupe) (PhD)
Biological Control of Pests Research
Research Entomologist

Phone: (662) 686-3070
Fax: (662) 686-5281

(Employee information on this page comes from the REE Directory. Please contact your front office staff to update the REE Directory.)

Projects
Mass Production of Insects for Biological Control of Arthropod Pests and as Food Sources
In-House Appropriated (D)
  Accession Number: 439335

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
A simple test of prey (aphid) recognition by laboratory reared Coleomegilla maculata (Coleoptera: Coccinellidae) - (Peer Reviewed Journal)
Riddick, E.W., Rojas, M.G., Morales Ramos, J.A. 2024. A simple test of prey (aphid) recognition by laboratory reared Coleomegilla maculata (Coleoptera: Coccinellidae). Insects. 15,852.
Evaluating Tenebrio molitor (Coleoptera: Tenebrionidae) for the remediation of fumonisin B1 levels in livestock feed - (Peer Reviewed Journal)
A simple evaluation of prey recognition behavior by mass reared Coleomegilla maculata (Coleoptera: Coccinellidae) - (Abstract Only)
MINIstock: Model for INsect Inclusion in sustainable agriculture: USDA-ARS's research approach to advancing insect meal development and inclusion in animal diets Reprint Icon - (Peer Reviewed Journal)
Robinson, K., Duffield, K.R., Ramirez, J.L., Cohnstaedt, L.W., Ashworth, A.J., Jesudhasan, P., Arsi, K., Morales Ramos, J.A., Rojas, M.G., Crippen, T.L., Shanmugasundaram, R., Vaughan, M.M., Webster, C.D., Sealey, W.M., Purswell, J.L., Oppert, B.S., Neven, L.G., Cook, K.L., Donoghue, A.M. 2024. MINIstock: Model for INsect Inclusion in sustainable agriculture: USDA-ARS's research approach to advancing insect meal development and inclusion in animal diets. Journal of Economic Entomology. 117(4):1199-1209. https://doi.org/10.1093/jee/toae130.
Rearing methods of four insect species intended as feed, food, and food ingredients: a review Reprint Icon - (Review Article)
Morales Ramos, J.A., Tomberlin, J.K., Miranda, C., Rojas, M.G. 2024. Rearing methods of four insect species intended as feed, food, and food ingredients: a review. Journal of Economic Entomology. 19. Article toae040. https://doi.org/10.1093/jee/toae040.
How Crickets Can "Upcycle" Bad Grain Into Useful Animal Feed Reprint Icon - (Popular Publication)
Paulk, R., Abbas, H.K., Rojas, M.G., Morales Ramos, J.A., Busman, M., Little, N., Shier, T.W. 2024. How Crickets Can "Upcycle" Bad Grain Into Useful Animal Feed. Journal of Economic Entomology. pg. 1-6. https://academic.oup.com/jee/advance-article/doi/10.1093/jee/toae025/7611982.
Evaluating Acheta domesticus (Orthoptera: Gryllidae) for the reduction of fumonisin B1 levels in livestock feed Reprint Icon - (Peer Reviewed Journal)
Paulk, R.T., Abbas, H.K., Rojas, M.G., Morales Ramos, J.A., Busman, M., Little, N., Shier, T.W. 2024. Evaluating Acheta domesticus (Orthoptera: Gryllidae) for the reduction of fumonisin B1 levels in livestock feed. Journal of Economic Entomology. https://doi.org/10.1093/jee/toae025.
Insect frass composition and potential use as an organic fertilizer in circular economies Reprint Icon - (Peer Reviewed Journal)
Amorim, H., Ashworth, A.J., Arsi, K., Rojas, M.G., Morales Ramos, J.A., Donoghue, A.M., Robinson, K. 2024. Insect frass composition and potential use as an organic fertilizer in circular economies. Journal of Economic Entomology. Article toad234. https://doi.org/10.1093/jee/toad234.
Evaluation of black soldier fly Hermetia illucens as food for the pink-spotted lady beetle Coleomegilla maculata Reprint Icon - (Peer Reviewed Journal)
Riddick, E.W., Walker, R.C., Rojas, M.G., Morales Ramos, J.A. 2023. Evaluation of black soldier fly Hermetia illucens as food for the pink-spotted lady beetle Coleomegilla maculata. Insects. 14(12):902. https://doi.org/10.3390/insects14120902.
Effects of taurine dietary supplement on the biological and demographic parameters of Nezara viridula (Heteroptera: Pentatomidae) Reprint Icon - (Peer Reviewed Journal)
Rojas, M.G., Morales Ramos, J.A. 2023. Effects of taurine dietary supplement on the biological and demographic parameters of Nezara viridula (Heteroptera: Pentatomidae). Journal of Insect Science. 23(1):6. https://doi.org/10.1093/jisesa/iead003.
Inheritance of two traits with high plasticity, developmental speed and body size, in Tenebrio molitor (Coleoptera: Tenebrionidae) Reprint Icon - (Peer Reviewed Journal)
Morales Ramos, J.A., Rojas, M.G., Tweedy, D., Kelstrup, H.C., Emery, V. 2022. Inheritance of two traits with high plasticity, developmental speed and body size, in Tenebrio molitor (Coleoptera: Tenebrionidae). Journal of Insect Science. 22(6):13. https://doi.org/10.1093/jisesa/ieac075.
Mass Production of Beneficial Organisms - Invertebrates and Entomopathogens, Second Edition - (Book / Chapter)
Morales Ramos, J.A., Rojas, M.G., Shapiro Ilan, D.I. 2022. Mass Production of Beneficial Organisms- Invertebrates and Entomopathogens. 2nd edition. San Diego, CA: Academic Press. vol. 2:642
Production of hymenopteran parasitoids - (Book / Chapter)
Morales Ramos, J.A., Goolsby, J., Geden, C.J., Rojas, M.G., Garcia-Cancino, M.D., Rodriguez-Velez, B., Arredondo-Bernal, H., Ciomperlik, M.A., Simmons, G.S., Gould, J.R., Hoelmer, K.A. 2022. Production of hymenopteran parasitoids. In: Morales-Ramos, J.A., Rojas, M.G., Shapiro-Ilan, D.I., editors. Mass Production of Beneficial Organisms: Invertebrates and Entomopathogens. 2nd edition. San Diego, CA: Academic Press. p. 101-155.
Gross morphology of diseased tissues in Nezara viridula (Hemiptera: Pentatomidae) and molecular characterization of an associated microsporidian Reprint Icon - (Peer Reviewed Journal)
Rivers, A.R., Grodowitz, M.J., Miles, G.P., Allen, M.L., Elliott, B., Weaver, M.A., Bon, M., Rojas, M.G., Morales Ramos, J.A. 2022. Gross morphology of diseased tissues in Nezara viridula (Hemiptera: Pentatomidae) and molecular characterization of an associated microsporidian. Journal of Insect Science. 22(2):4. https://doi.org/10.1093/jisesa/ieac013.
Artificial diet development for entomophagous arthropods - (Book / Chapter)
Morales Ramos, J.A., Rojas, M.G., Coudron, T.A., Huynh, M.P., Zou, D., Shelby, K. 2022. Artificial diet development for entomophagous arthropods. In: Morales-Ramos, J.A., Rojas, M.G., Shapiro-Ilan, D.I., editors. Mass Production of Beneficial Organisms: Invertebrates and Entomopathogens. 2nd edition. San Diego, CA: Academic Press. p.233-260.
Introduction - (Book / Chapter)
Leppla, N.C., Morales Ramos, J.A., Shapiro Ilan, D.I., Rojas, M.G. 2022. Introduction. In: Morales-Ramos, J.A., Rojas, M.G., Shapiro-Ilan, D.A., editors. Mass Production of Beneficial Organisms: Invertebrates and Entomopathogens. 2nd edition. San Diego, CA: Academic Press. p.3-12.
Self-selection of agricultural by-products and food ingredients by tenebrio molitor (coleoptera: tenebrionidae) and impact on food utilization and nutrient intake Reprint Icon - (Peer Reviewed Journal)
Morales Ramos, J.A., Rojas, M.G., Kelstrup, H., Emery, V. 2020. Self-selection of agricultural by-products and food ingredients by tenebrio molitor (coleoptera: tenebrionidae) and impact on food utilization and nutrient intake. Insects. 11:827. https://doi.org/10.3390/insects11120827.
Development of a physiological age-grading system for Nezara viridula (L.) (Hemiptera: Pentatomidae) Reprint Icon - (Peer Reviewed Journal)
Grodowitz, M.J., Elliott, R.B., Evans, R.M., Rojas, M.G., Morales Ramos, J.A. 2020. Development of a physiological age-grading system for Nezara viridula (L.) (Hemiptera: Pentatomidae). Journal of Insect Science. 20(5):1-8. https://doi.org/10.1093/jisesa/ieaa092.
Quantitative differences in feeding behavior of 3rd instar nymphal Lygus lineolaris (Hemiptera: Miridae) occur on transgenic Bt cotton compared with non-Bt cotton Reprint Icon - (Peer Reviewed Journal)
Cervantes, F.A., Backus, E.A., Godfrey, L., Akbar, W., Clark, T., Rojas, M.G. 2019. Quantitative differences in feeding behavior of 3rd instar nymphal Lygus lineolaris (Hemiptera: Miridae) occur on transgenic Bt cotton compared with non-Bt cotton. Journal of Economic Entomology. 112(4):1920-1925. https://doi.org/10.1093/jee/toz054.
Fostering strategies to expand the consumption of edible insects: the value of a tripartite coalition between academia, industry, and government Reprint Icon - (Review Article)
Mason, J.B., Black, R., Booth, S.L., Brentano, A., Broadbent, B., Connolly, P., Finley, J.W., Goldin, J., Griffin, T., Hagen, K., Lesnik, J., Lewis, G., Pan, Z., Morales Ramos, J.A., Ranalli, M., Rojas, M.G., Shockley, M., Stull, V., Swietlik, D.M. 2018. Fostering strategies to expand the consumption of edible insects: the value of a tripartite coalition between academia, industry, and government. Current Developments in Nutrition. https://doi.org/10.1038/s41598-017-10675-6.
Mortality of Solenopsis invicta workers (Hymenoptera: Formicidae) after indirect exposure to spores of three entomopathogenic fungi - (Peer Reviewed Journal)
Rojas, M.G., Elliott, R.B., Morales Ramos, J.A. 2018. Mortality of Solenopsis invicta workers (Hymenoptera: Formicidae) after indirect exposure to unformulated spores of three entomopathogenic fungi. Journal of Insect Science. 18(3):1-8.
Age-dependent food utilization of Acheta domesticus (Orthoptera: Gryllidae) in small groups at two temperatures - (Peer Reviewed Journal)
Morales Ramos, J.A., Rojas, M.G., Dossey, A.T. 2018. Age-dependent food utilization of Acheta domesticus (Orthoptera: Gryllidae) in small groups at two temperatures. Journal of Insects as Food and Feed. 4(1):51-60. https://doi:10.3920/JIFF2017.0062.
Certain applied electrical signals during EPG cause negative effects on stylet probing behaviors by adult Lygus lineolaris (Hemiptera: Miridae) - (Peer Reviewed Journal)
Backus, E.A., Cervantes, F.A., Godfrey, L., Akbar, W., Clark, T., Rojas, M.G. 2017. Certain applied electrical signals during EPG cause negative effects on stylet probing behaviors by adult Lygus lineolaris (Hemiptera: Miridae). Journal of Insect Physiology. 105:64-75.
Correlation of EPG waveforms from Lygus lineolaris feeding on cotton squares and chemical evidence of inducible tannins - (Peer Reviewed Journal)
Cervantes, F.A., Backus, E.A., Godfrey, L., Wallis, C.M., Akbar, W., Clark, T., Rojas, M.G. 2017. Correlation of EPG waveforms from Lygus lineolaris feeding on cotton squares and chemical evidence of inducible tannins. Annals of the Entomological Society of America. 110:2068-2075.
Allantoin crystal formation in Bagrada hilaris (Burmeister)(Hemiptera: Pentatomidae) females Reprint Icon - (Peer Reviewed Journal)
Allantoin crystal formation in Bagrada hilaris (Burmeister) (Hemiptera: Pentatomidae) females - (Peer Reviewed Journal)
Rojas, M.G., Grodowitz, M.J., Reibenspies, J., Reed, D.A., Perring, T.M., Allen, M.L. 2017. Allantoin crystal formation in Bagrada hilaris (Burmeister) (Hemiptera: Pentatomidae) females. Journal of Insect Science. 17(3):75:1-6.
Temperature-dependent biological and demographic parameters of Coleomegilla maculata (Coleoptera: Coccinellidae) - (Peer Reviewed Journal)
Morales Ramos, J.A., Rojas, M.G. 2017. Temperature-dependent biological and demographic parameters of Coleomegilla maculata (Coleoptera: Coccinellidae). Journal of Insect Science. 17(2):1-9.
A new report of Nezara viridula f. aurantiaca (Heteroptera: Pentatomidae) from a cultured population in Washington County, Mississippi Reprint Icon - (Peer Reviewed Journal)
Rojas, M.G., Morales Ramos, J.A. 2017. A new report of Nezara viridula f. aurantiaca (Heteroptera: Pentatomidae) from a cultured population in Washington County, Mississippi. Journal of Insect Science. 17(1):1-3.
In vivo production of entomopathogenic nematodes - (Book / Chapter)
Shapiro Ilan, D.I., Morales Ramos, J.A., Rojas, M.G. 2016. In vivo production of entomopathogenic nematodes. In: Microbial-Based Biopesticides – Methods and Protocols. New York, NY: Humana Press. 1477:137-158.
Development of Baits for Insect Control - (Popular Publication)
Morales Ramos, J.A., Rojas, M.G. 2016. Development of Baits for Insect Control. Adjacent Government UK Magazine. 270-271.
Use of Tenebrio molitor (Coleoptera: Tenebrionidae) powder to enhance artificial diet formulations for Coleomegilla maculata (Coleoptera: Coccinellidae) Reprint Icon - (Peer Reviewed Journal)
Rojas, M.G., Morales Ramos, J.A., Riddick, E.W. 2016. Use of Tenebrio molitor (Coleoptera: Tenebrionidae) powder to enhance artificial diet formulations for Coleomegilla maculata (Coleoptera: Coccinellidae). Biological Control. 100:70-78.
The hurdles of biological control of the red Imported Fire Ant: Part 2. - (Popular Publication)
Rojas, M.G., Elliott, R.B., Chen, J., Grodowitz, M.J., Allen, M.L., Morales Ramos, J.A. 2016. The hurdles of biological control of the red Imported Fire Ant: Part 2.. Adjacent Government UK Magazine. 10:246-247.
Insect mass production technologies - (Book / Chapter)
Cortez Ortiz, J.A., Torres Ruiz, A., Morales Ramos, J.A., Thomas, M., Rojas, M.G., Tomerlin, J.K. 2016. Insect mass production technologies. Insects as Sustainable Food Ingredients. 6:154-201.
The hurdles of Biological Control to control The red Imported Fire Ant: Part 1 - (Popular Publication)
Rojas, M.G., Morales Ramos, J.A., Chen, J., Grodowitz, M.J., Allen, M.L. 2016. The hurdles of Biological Control to control The red Imported Fire Ant: Part 1. Adjacent Government UK Magazine. 9:184-185.
Nutritional value of pupae versus larvae of Tenebrio molitor (Coleoptera: Tenebrionidae) as food for rearing Podisus maculiventris (Heteroptera: Pentatomidae) - (Peer Reviewed Journal)
Morales Ramos, J.A., Rojas, M.G., Shelby, K., Coudron, T.A. 2015. Nutritional value of pupae versus larvae of Tenebrio molitor (Coleoptera: Tenebrionidae) as food for rearing Podisus maculiventris (Heteroptera: Pentatomidae). Journal of Economic Entomology. 109(2):564-571.
Factitious foods to reduce production costs of beneficial insects - (Popular Publication)
Rojas, M.G., Morales Ramos, J.A., Riddick, E.W. 2015. Factitious foods to reduce production costs of beneficial insects. Adjacent Government UK Magazine. 8:288-289.
Insect biomass to enhance food production - (Abstract Only)
Rojas, M.G., Morales Ramos, J.A., Grodowitz, M.J. 2015. Insect biomass to enhance food production. Adjacent Government UK Magazine. 1 page.
The importance of biological control in agriculture - (Other)
Grodowitz, M.J., Morales Ramos, J.A., Rojas, M.G., Riddick, E.W., Chen, J., Elliott, R.B., Boyette, C.D., Hoagland, R.E. 2015. The importance of biological control in agriculture. Adjacent Government UK Magazine. 1-12.
Arthropods in Biological Control - (Popular Publication)
Rojas, M.G., Morales Ramos, J.A., Grodowitz, M.J. 2015. Arthropods in Biological Control. Adjacent Government UK Magazine. 7: 253-254.
Low cost production of nematodes for biological control of insect pests - (Abstract Only)
Rojas, M.G., Morales Ramos, J.A., Shapiro Ilan, D.I. 2015. Low cost production of nematodes for biological control of insect pests. Adjacent Government UK Magazine. 1-2.
Effect of larval density on food utilization efficiency of Tenebrio molitor (Coleoptera: Tenebrionidae) - (Peer Reviewed Journal)
Morales Ramos, J.A., Rojas, M.G. 2015. Effect of larval density on food utilization efficiency of Tenebrio molitor (Coleoptera: Tenebrionidae). Journal of Economic Entomology. 108:2259-2267.
Feeding the insect industry - (Popular Publication)
Rojas, M.G., Morales Ramos, J.A. 2015. Feeding the insect industry. Research Media EU Magazine. 182: 47-49.
Morphometric analysis of instar variation in Tenebrio molitor (Coleoptera: Tenebrionidae) Reprint Icon - (Peer Reviewed Journal)
Morales Ramos, J.A., Kay, S., Rojas, M.G., Shapiro Ilan, D.I., Tedders, W.T. 2015. Morphometric analysis of instar variation in Tenebrio molitor (Coleoptera: Tenebrionidae). Annals of the Entomological Society of America. 108(2):146-159.
Potential utilization of Spirulina microalga as a dietary supplement for the ladybird beetle Coleomegilla maculata Reprint Icon - (Peer Reviewed Journal)
Riddick, E.W., Wu, Z., Rojas, M.G., Morales Ramos, J.A. 2014. Potential utilization of Spirulina microalga as a dietary supplement for the ladybird beetle Coleomegilla maculata. Trends in Entomology. 10:39-48.
Potential utilization of Artemia franciscana eggs as food for Coleomegilla maculata - (Peer Reviewed Journal)
Riddick, E.W., Wu, Z., Rojas, M.G. 2014. Potential utilization of Artemia franciscana eggs as food for Coleomegilla maculata. Biocontrol. 59:575-583. 10.1007/s10526-014-9597-4.
Insecticidal Activity of Chromobacterium subtsugae on the Sweet Potato Whitefly, Bemisia tabaci, Biotype B - (Peer Reviewed Journal)
Gelman, D., Martin, P.A., Blackburn, M.B., Rojas, M.G., Hu, J.S. 2014. Insecticidal Activity of Chromobacterium subtsugae on the Sweet Potato Whitefly, Bemisia tabaci, Biotype B. Biopesticides International. 10(1):11-22.
Juvenile coloration as a predictor of health in Nezara viridula (Heteroptera: pentatomidae) - (Peer Reviewed Journal)
Rojas, M.G., Morales Ramos, J.A. 2014. Juvenile coloration as a predictor of health in Nezara viridula (Heteroptera: pentatomidae). Journal of Entomological Science. 49:166-175.
A modular cage system design for continuous medium to large scale in vivo-rearing of predatory mites (Acari: phytoseiidae) Reprint Icon - (Peer Reviewed Journal)
Morales Ramos, J.A., Rojas, M.G. 2013. A modular cage system design for continuous medium to large scale in vivo-rearing of predatory mites (Acari: phytoseiidae). Psyche. 2014 (596768); 8 pgs. http://dx.doi.org/10.1155/2014/596768.
Mass production of beneficial organisms - Invertebrates and entomopathogens - (Book / Chapter)
Morales Ramos, J.A., Rojas, M.G., Shapiro Ilan, D.I. 2014. Mass production of beneficial organisms - Invertebrates and entomopathogens. Book Chapter. 1:742pp.
Determining an optimal temperature range for reproduction of Phytoseiulus persimilis, a predator of the two-spotted spider mite, Tetranychus urticae - (Peer Reviewed Journal)
Rojas, M.G., Morales Ramos, J.A., Riddick, E.W. 2013. Determining an optimal temperature range for reproduction of Phytoseiulus persimilis, a predator of the two-spotted spider mite, Tetranychus urticae. Biopesticides International. 9:101-112.
Introduction: Mass production for beneficial organisms - (Book / Chapter)
Leppla, N., Morales Ramos, J.A., Shapiro Ilan, D.I., Rojas, M.G. 2014. Introduction. In: Morales-Ramos, J.A., Rojas, M.G., Sharpio-Ilan, D.I., editors. Mass Production for Beneficial Organisms: Invertebrates and Entomopathogens. London, United Kingdom: Academic Press. p. 3-16. doi: 10.1016/B978-0-12-391453-8.00001-7
Is Tetranychus urticae suitable prey for development and reproduction of naive Coleomegilla maculata? Reprint Icon - (Peer Reviewed Journal)
Riddick, E.W., Wu, Z., Rojas, M.G. 2013. Is Tetranychus urticae suitable prey for development and reproduction of naive Coleomegilla maculata?. Insect Science. 21:83-92. doi:10.1111/1744-7917.12033.
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.
Use of nutrient self selection as a diet refining tool in Tenebrio molitor (Coleoptera: Tenebrionidae) - (Peer Reviewed Journal)
Morales Ramos, J. A., Rojas, M. G., Shapiro Ilan, D. I., Tedders, W. L. 2013. Use of nutrient self selection as a diet refining tool in Tenebrio molitor (Coleoptera: Tenebrionidae). Bulletin of Entomological Research. 48(3):206-221.
Artificial diet development for entomophagous arthropods - (Book / Chapter)
Artificial diet development for entomophagous arthropods. In: Morales-Ramos, J.A., Rojas, M.G, Shapiro-Ilan, D.I. editors. Mass Production of Beneficial Organisms: Invertebrates and Entomopathogens. San Diego, CA: Academic Press. p. 203-240.
Impact of Adult Weight, Density, and Age on Reproduction of Tenebrio molitor (Coleoptera: Tenebrionidae) - (Peer Reviewed Journal)
Morales Ramos, J.A., Rojas, M.G., Kay, S., Tedders, W., Shapiro Ilan, D.I. 2012. Impact of adult weight, density, and age on reproduction of Tenebrio molitor (Coleoptera: Tenebrionidae). Journal of Entomological Science. 47:208-220.
Optimization of a host diet for in vivo production of entomopathogenic nematodes - (Peer Reviewed Journal)
Shapiro Ilan, D.I., Rojas, M.G., Morales Ramos, J.A., Tedders, L.T. 2012. Optimization of a host diet for in vivo production of entomopathogenic nematodes. Journal of Nematology. 44:264-273.
Self-selection of two diet components by Tennebrio molitor (Coleoptera: Tenebrionidae) larvae and its impact on fitness - (Peer Reviewed Journal)
Morales Ramos, J.A., Rojas, M.G., Shapiro Ilan, D.I., Tedders, W.L. 2011. Self-selection of two diet components by Tennebrio molitor (Coleoptera: Tenebrionidae) larvae and its impact on fitness. Environmental Entomology. 40(50): 1285-1294.
Lima bean lady beetle interactions: spider mite mediates sublethal effects of its host plant on growth and development of its predator - (Peer Reviewed Journal)
Riddick, E.W., Rojas, M.G., Wu, Z. 2011. Lima bean lady beetle interactions: spider mite mediates sublethal effects of its host plant on growth and development of its predator. Arthropod-Plant Interactions. 5(4):287-296.
Stethorus punctillum (Coleoptera: coccinellidae) - (Book / Chapter)
Riddick, E.W., Rojas, M.G., Morales Ramos, J.A., Allen, M.L., Spencer, B. 2011. Stethorus punctillum (Coleoptera: coccinellidae). Biological Control: A Guide to Natural Enemies in North America. http://www.biocontrol.entomology.cornell.edu/predators/spunctillum.html.
Tri-trophic level Impact of Host Plant Linamarin and Lotaustralin on Tetranychus urticae (Mesostigmata: Tetranychidae) and its predator Phytoseiulus persimilis (Prostigmata: Phytoseiidae) - (Peer Reviewed Journal)
Rojas, M.G., Morales Ramos, J.A. 2010. Tri-trophic level Impact of Host Plant Linamarin and Lotaustralin on Tetranychus urticae (Mesostigmata: Tetranychidae) and its predator Phytoseiulus persimilis (Prostigmata: Phytoseiidae). Journal of Chemical Ecology. 36:1354-1362.
Ingested boric acid effect on the venom chemistry of Solenopsis invicta Buren (Hymenoptera: Formicidae) - (Peer Reviewed Journal)
Rojas, M.G., Morales Ramos, J.A., Chen, J. 2011. Ingested boric acid effect on the venom chemistry of Solenopsis invicta Buren (Hymenoptera: Formicidae). Journal of Entomological Science. 46(2):89-95.
Extracted Venom and Cuticular Compounds of Imported Fire Ants, Solenopsis spp., and Chemotaxonomic Applications Across a Persistent Hybrid Zone - (Peer Reviewed Journal)
Defauw, S.L., Rojas, M.G., Morales Ramos, J.A., Boykin, D.L. Extracted Venom and Cuticular Compounds of Imported Fire Ants, Solenopsis spp., and Chemotaxonomic Applications Across a Persistent Hybrid Zone. J. Entomol. Sci. 45(4): 335-352. 2010.
Effects of a novel entomopathogenic nematode-infected host formulation on cadaver integrity, nematode yield, and suppression of Diaprepes abbreviatus and Aethina tumida under controlled conditions - (Peer Reviewed Journal)
Shapiro Ilan, D.I., Morales Ramos, J.A., Rojas, M.G., Tedders, W.L. 2010. Effects of a novel entomopathogenic nematode-infected host formulation on cadaver integrity, nematode yield, and suppression of Diaprepes abbreviatus and Aethina tumida under controlled conditions. Journal of Invertebrate Pathology. Journal of Invertebrate Pathology. 103:103-108.
Some Organic Acids Acting as Stimulants of Recruitment and Feeding for the Formosan Subterranean Termite (Isoptera: Rhinotermitidae) - (Peer Reviewed Journal)
Morales Ramos, J.A., Rojas, M.G. 2009. Some Organic Acids Acting as Stimulants of Recruitment and Feeding for the Formosan Subterranean Termite (Isoptera: Rhinotermitidae). Sociobiology. 54 (3):861-871.
Developmental plasticity in Tenebrio molitor (Coleoptera: Tenebrionidae): Analysis of Instar Variation in Number and Development Time under Different Diets - (Peer Reviewed Journal)
Morales Ramos, J.A., Rojas, M.G., Shapiro Ilan, D.I., Tedders, W.L. 2009. Developmental plasticity in Tenebrio molitor (Coleoptera: Tenebrionidae): Analysis of Instar Variation in Number and Development Time under Different Diets. J. Entomol. Sci. 45(2):75-90.
Piperideine Alkaloids from the Poison Gland of the Red Imported Fire Ant (Hymenoptera: Formicidae) - (Peer Reviewed Journal)
Chen, J., Cantrell, C.L., Shang, H., Rojas, M.G. 2009. Piperideine Alkaloids from the Poison Gland of the Red Imported Fire Ant (Hymenoptera: Formicidae). Journal of Agricultural and Food Chemistry. 57:3128-3133.
Effect of Host Plant on the Chemical Composition of Tetranychus urticae (Prostigmata: Tetranychidae): Variability in Soluble Protein, Anions, and Carbohydrates. - (Peer Reviewed Journal)
Size and Chemical Composition of Heliothis virescens (Lepidoptera: Noctuidae) Spermatophores - (Peer Reviewed Journal)
Blanco, C. A., Rojas, M. G., Groot, A., Morales Ramos, J. A., Abel, C. A. 2009. Size and Chemical Composition of Heliothis virescens (Lepidoptera: Noctuidae) Spermatophores. Ann. Entomol. Soc. Am. 102(4): 629-637.
CDC-1 Enclose Continuous Rearing System for Phytoseiid Mites - (Other)
Morales Ramos, J.A., Rojas, M.G. 2008. CDC-1 Enclose Continuous Rearing System for Phytoseiid Mites. Software and User Manual Public Release.
Phytoseilus persimilis (Mesostigmata: Phytoseiidae) Feeding on Extrafloral Nectar: Reproductive Impact of Sugar Sources in Presence of Prey - (Peer Reviewed Journal)
Rojas, M.G., Morales Ramos, J.A. 2008. Phytoseilus persimilis (Mesostigmata: Phytoseiidae) Feeding on Extrafloral Nectar: Reproductive Impact of Sugar Sources in Presence of Prey. Biopesticides International. 4(1): 1-5 (2008).
Uso de Cebos para el Control de la Termita de Formosa, Coptotermes formosanus, en Zonas Arboladas en la Ciudad de Nuevo Orleáns - (Proceedings)
Rojas, M.G., Morales Ramos, J.A. 2008. Uso de Cebos para el Control de la Termita de Formosa, Coptotermes formosanus, en Zonas Arboladas en la Ciudad de Nuevo Orleáns. Proceedings of V Congreso Nacional de Proteccion a la Madera. p. 35-38.
Efectos de Campos Magnéticos en las Tasas de Consumo de Madera por Coptotermes formosanus, la Termita Subterránea de Formosa. - (Proceedings)
Morales Ramos, J.A., Rojas, M.G., Solhjoo, H.H. 2008. Efectos de Campos Magnéticos en las Tasas de Consumo de Madera por Coptotermes formosanus, la Termita Subterránea de Formosa.V Congreso Nacional Proteccion a la Madera. p. 99-101.
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.
Effects of host nutrition on virulence and fitness of entomopathogenic nematodes: lipid and protein based supplements in Tenebrio molitor diets - (Peer Reviewed Journal)
Shapiro Ilan, D.I., Rojas, M.G., Morales Ramos, J.A., Lewis, E.E., Tedders, W.L. 2008. Effects of host nutrition on virulence and fitness of entomopathogenic nematodes: lipid and protein based supplements in Tenebrio molitor diets. Journal of Nematology. 40:13-19.
Mechanized Packing and Delivery System for Entomopathogenic Nematodes in Infected Mealworm Cadavers - (Other)
Morales Ramos, J.A., Tedders, W.L., Dean, C.B., Shapiro Ilan, D.I., Rojas, M.G. 2007. Mechanized Packing and Delivery System for Entomopathogenic Nematodes in Infected Mealworm Cadavers. Software and User Manual Public Release.
Importance of Lipids for Queen Fecundity and Colony Growth of Coptotermes formosanus (Isoptera: Rhinotermitidae) - (Peer Reviewed Journal)
Morales Ramos, J.A., Rojas, M.G. 2007. Importance of Lipids for Queen Fecundity and Colony Growth of Coptotermes formosanus (Isoptera: Rhinotermitidae). Environmental Entomology 36(5):1014-1017.
EFFECTS OF DIFLUBENZURON ON THE PERITROPHIC MATRIX AND FAT BODY OF FORMOSAN SUBTERRANEAN TERMITE (ISOPTERA: RHINOTERMITIDAE) WORKERS - (Peer Reviewed Journal)
Morales Ramos, J.A., Rojas, M.G., Sittertz-Bhatkar, H. 2006. Effects of diflubenzuron on the peritrophic matrix and fat body of formosan subterranean termite (isoptera: rhinotermitidae) workers. Sociobiology. 47(3):667-676.
PERITROPHIC MATRIX OF THE FORMOSAN SUBTERRANEAN TERMITE (ISOPTERA: RHINOTERMITIDAE) - (Peer Reviewed Journal)
Morales Ramos, J.A., Rojas, M.G., Sittertz-Bhatkar 2006. Peritrophic matrix of the formosan subterranean termite (Isoptera: Rhinotermitidae), Florida Entomologist. 89: 99-101.
CHANGES IN THE RATIOS OF FOUR CUTICULAR HYDROCARBONS IN FORMOSAN SUBTERRANEAN TERMITE WORKERS (COPTOTERMES FORMOSANUS SHIRAKI) DUE TO DIET - (Peer Reviewed Journal)
Rojas, M.G., Werle, C.T., Cottrell, N.L., Morales Ramos, J.A. 2005. Changes in the ratios of four cuticular hydrocarbons in formosan subterranean termite workers (coptotermes formosanus shiraki) due to diet. Sociobiology 46:131-140.
GROWTH OF YOUNG COLONIES OF COPTOTERMES FORMOSANUS (ISOPTERA: RHINOTERMITIDAE) FEEDING ON SINGLE VERSUS MULTIPLE WOOD SPECIES - (Peer Reviewed Journal)
Morales Ramos, J.A., Rojas, M.G. 2005. Growth of young colonies of coptotermes formosanus (isoptera: rhinotermitidae) feeding on single versus multiple wood species. Sociobiology 46:155-173.
TESTING METHODS FOR IMPROVING SURVIVAL OF INCIPIENT COLONIES OF COPTOTERMES FORMOSANUS (ISOPTERA: RHINOTERMITIDAE) FOR LABORATORY COMPARISONS - (Peer Reviewed Journal)
Morales Ramos, J.A., Rojas, M.G. 2005. Testing methods for improving survival of incipient colonies of coptotermes formosanus (Isoptera: Rhinotermitidae) for laboratory comparisons. Sociobiology 46(2):375-384.
WOOD CONSUMPTION RATES OF COPTOTERMES FORMOSANUS(ISOPTERA: RHINOTERMITIDAE): A THREE- YEAR STUDY USING GROUPS OF WORKERS AND SOLDIERS - (Peer Reviewed Journal)
Morales Ramos, J.A., Rojas, M.G. 2005. Wood consumption rates of coptotermes formosanus(isoptera: rhinotermitidae): a three - year study using groups of workers and soldiers. Sociobiology 45:707-719.
CHANGES IN THE RATIOS OF FOUR CUTICULAR HYDROCARBONS IN THE FORMOSAN SUBTERRANEAN TERMITE (COPTOTERMES FORMOSANUS) DUE TO DIET - (Abstract Only)
Rojas, M.G., Werle, C.T., Cottrell, N.L., Morales Ramos, J.A. 2005. Changes in the ratios of four cuticular hydrocarbons in the formosan subterranean termite (coptotermes formosanus) due to diet. Sociobiology 46(1):131-140.
WOOD CONSUMPTION OF YOUNG COLONIES OF COPTOTERMES FORMOSANUS (ISOPTERA: RHINOTERMITIDAE) - (Proceedings)
Morales Ramos, J.A., Rojas, M.G. 2005. Wood consumption of young colonies of coptotermes formosanus (isoptera: rhinotermitidae). Sociobiology.
EFFECTS OF 3 CHITIN SYNTHESIS INHIBITORS ON EGG VIABILITY AND SURVIVAL OF COPTOTERMES FORMOSANUS, (ISOPTERA: RHINOTERMITIDAE) INCIPIENT REPRODUCTIVE ADULTS - (Peer Reviewed Journal)
Rojas, M.G., Morales Ramos, J.A. 2004. Effects of 3 chitin synthesis inhibitors on egg viability and survival of coptotermes formosanus, (isoptera: rhinotermitidae) incipient reproductive adults. Annals of the Entomological Society of America.
BLACK-STAINING FUNGUS EFFECTS ON THE NATURAL RESISTANCE PROPERTIES OF ALASKAN YELLOW-CEDAR TO THE FORMOSAN SUBTERRANEAN TERMITE (ISOPTERA: RHINOTERMITIDAE) - (Peer Reviewed Journal)
Morales Ramos, J.A., Rojas, M.G., Hennon, P.E. 2003. Black-staining fungus effects on the natural resistance properties of alaskan yellow-cedar to the Formosan subterranean termite (Isoptera: Rhinotermitidae). Environmental Entomology. 32:1234-1241.
NATURAL ENEMIES AND PEST CONTROL: AN INTEGRATED PEST MANAGEMENT CONCEPT - (Book / Chapter)
Morales-Ramos, J. A. and M. G. Rojas. 2003. Natural Enemies and Pest Control: An Integrated Pest Management Concept. In O. Koul and G. S. Dhaliwal [Eds.]. Predators and Parasitoids. Taylor and Francis. New York, NY. pages 17-39.
NUTRITIONAL ECOLOGY OF THE FORMOSAN SUBTERRANEAN TERMITE ISOPTERA RHINOTERMITIDAE)GROWTH AND SURVIVAL OF INCIPIENT COLONIES FEEDING ONPREFERRED WOOD SPECIES - (Peer Reviewed Journal)
Morales Ramos, J.A., Rojas, M.G. 2003. Nutritional ecology of the formosan subterranean termite (isoptera rhinotermitidae) growth and survival of incipient colonies feeding onpreferred wood species. Journal of Economic Entomology 96:106-116.
NUTRITIONAL ECOLOGY OF THE FORMOSAN SUBTERRANEAN TERMITE (ISOPTERA: RHINOTERMITIDAE): I. FEEDING PREFERENCE AND DETERRENCE - (Peer Reviewed Journal)
Morales Ramos, J.A., Rojas, M.G. 2003. Nutritional ecology of the formosan subterranean termite (isoptera: rhinotermitidae): i. feeding preference and deterrence. Journal of Economic Entomology.
A BAIT MATRIX FOR DELIVERY OF CHITIN SYNTHESIS INHIBITORS TO THE FORMOSAN SUBTERRANEAN TERMITE, COPTOTERMES FORMOSANUS (ISOPTERA: RHINOTERMITIDAE) - (Peer Reviewed Journal)
Rojas, M.G., Morales Ramos, J.A. 2001. A bait matrix for delivery of chitin synthesis inhibitors to the formosan subterranean termite, coptotermes formosanus (isoptera: rhinotermitidae). Ecological Entomology.
DEVELOPMENT OF AN ARTIFICAL DIET FOR REARING EDOVUM PUTTLERI, AN EGG PARASITOID OF THE COLORADO POTATO BEETLE, LEPTINOTARSA DECEMLINEATA - (Abstract Only)
ECDYSTEROID AND AMINO ACID CONTENT OF EGGS OF THE COLORADO POTATO BEETLE, LEPTINOTARSA DECEMLINEATA - (Peer Reviewed Journal)
THREE FUNGAI SPECIES ISOLATED FROM COPTOTERMES FORMOSANUS SHIRAKI (ISOPTERA: RHINOTERMITIDAE) BODY, CARTON MATERIAL, AND INFESTED WOOD - (Peer Reviewed Journal)
Rojas, M.G., Morales Ramos, J.A., Klich, M.A., Wright, M.S. 2001. Three fungai species isolated from coptotermes formosanus shiraki (isoptera: rhinotermitidae) body, carton material, and infested wood. Annals of the Entomological Society of America.
SYMBIOTIC RELATIONSHIP BETWEEN HYPOTHENEMUS HAMPEI (COLEOPTERA: SCOLYTIDAE) AND FUSARIUM SOLANI (MONILIALES: TUBERCULARIACEAE) - (Peer Reviewed Journal)
Morales Ramos, J.A., Rojas, M.G., Sitterz-Bhatkar, H., Saldana, G. 2000. Symbiotic relationship between hypothenemus hampei (coleoptera: scolytidae) and fusarium solani (moniliales: tuberculariaceae). Annals of the Entomological Society of America.
REARING OF ECTOPARASITOID DIAPETIMORPHA INTROITA (HYMENOPTERA: ICHNEUMONIDAE) ON AN ARTIFICIAL DIET: SUPPLEMENTATION WITH INSECT CELL LINE-DERIVED FACTORS - (Peer Reviewed Journal)
USE OF A FACTITIOUS HOST AND SUPPLEMENTED ADULT DIET TO INDUCE OOGENESIS ONCATOLACCUS GRANDIS (HYMENOPTERA: PTEROMALIDAE) FOR FIELD RELEASES - (Peer Reviewed Journal)
POTENTIAL USE OF IN VITRO-REARED CATOLACCUS GRANDIS (HYMENOPTERA: PTEROMALIDAE) FOR BIOLOGICAL CONTROL OF THE BOLL WEEVIL (COLEOPTERA: CURCULIONIDAE) - (Peer Reviewed Journal)
REDUCTION OF COST FOR MASS PROPAGATING CATOLACCUS GRANDIS BY THE USE OF ARTIFICIAL DIET - (Peer Reviewed Journal)
SIGNIFICANCE OF ADULT NUTRITION AND OVIPOSITION EXPERIENCE ON LONGEVITY ANDATTAINMENT OF FULL FECUNDITY OF CATOLACCUS GRANDIS (HYMENOPTERA: PTEROMALIDAE) - (Peer Reviewed Journal)
COMPARISON OF IN VIVO VERSUS IN VITRO-REARED CATOLACCUS GRANDIS IN THE FIELD - (Proceedings)
LABORATORY EVALUATION OF FIRST, SECOND, FIFTH AND TENTH IN VITRO-REARED GENERATION OF CATOLACCUS GRANDIS - (Proceedings)
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