Publications
2024
Gill, G.S., H.B. Lu, H. Bui, R.M. Clark, and R.A. Ramirez. 2024. Short-term responses of spider mites inform mechanisms of maize resistance to a generalist herbivore. Scientific Reports 14, 19607
Christman, M.E., L.R. Spears, E.K. Burchfield, W.D. Pearse, J.P. Strange, and R.A. Ramirez. 2024. Bumble bee responses to climate and landscape: investigating habitat associations and species assemblages across geographic regions in the United States of America. Global Change Biology 30:e17380
Hetherington, M.C., J. Brunet, D. Nieto, R.A. Ramirez, E.J. Wenninger, and C. Guedot. 2024. Electrophysiological and behavioral responses of Lygus hesperus Knight (Hemiptera: Miridae) to host plant volatiles. Chemoecology 34: 27-39
2023
Barnes, C.L., D. Wickwar, M. Yost, E. Creech, and R.A. Ramirez. 2023. The effects of water-stress, temperature, and plant traits on the outbreak potential of a specialist and generalist spider mite species (Acari: Tetranychidae). Journal of Applied Entomology 148: 13-25
Van Dyke, A., D. Wickwar, M.M. Dupuy, and R.A. Ramirez. 2023. Evaluating insecticide application timings against billbugs (Sphenophorus spp.) using a degree-day model and calendar-based approach in the Intermountain West. Crop, Forage, & Turfgrass Management
Anderson, A.R., R.A. Ramirez, J.E. Creech, T.L. Pitts-Singer. 2023. Melittobia acasta (Hymenoptera: Eulophidae) female longevity and life stage dependent parasitism using commercially managed Megachile rotundata (Hymenoptera: Megachilidae) as hosts. Journal of Insect Science
Wickwar, D., and R.A. Ramirez. 2023. Predatory arthropods and cues associated with predator presence elicit strong non-consumptive effects on bluegrass billbugs. Entomologia Experimentalis et Applicata
Anderson, A.R., R.A. Ramirez, J.E. Creech, T.L. Pitts-Singer. 2023. Life cycle of Melittobia acasta using Megachile rotundata as a host. Annals of the Entomological Society of America
Gill, G.S., H. Bui, R.M. Clark, and R.A. Ramirez. 2023. Spider mite resistant maize lines, B75 and B96, maintain resistance under water-stress. Journal of Pest Science 96: 1117-1132
2022
Christman, M.E., C. Barnes, T. Lindsay, J. Koch, L. Spears, J. Strange, and R.A. Ramirez. 2022. Captive rearing success and critical thermal maxima of Bombus griseocollis: A candidate for commercialization? Journal of Insect Science 22: 1-8
Lawton, D., A.S. Huseth, G.G. Kennedy, +40 (including R.A. Ramirez and L. Spears), and M. Zuefle. 2022. Pest population dynamics are related to a continental overwintering gradient. PNAS 119: e2203230119
Christman, M.E., L.R. Spears, J.P. Strange, W.D. Pearse, E.K. Burchfield, and R.A. Ramirez. 2022. Land cover and climate drive shifts in Bombus assemblage composition. Agriculture, Ecosystems & Environment 339: 108113
Ji, M., H. Bui, R.A. Ramirez, and R. Clark. 2022. Concerted cis and trans effects underpin heightened defense gene expression in multi-herbivore resistant maize lines. The Plant Journal 111: 508-528
Kopit, A., E. Klinger, D. Cox-Foster, R.A. Ramirez, and T. Pitts-Singer. 2022. Effects of provision type and pesticide exposure on the larval development of Osmia lignaria. Environmental Entomology nvab119
2021
Spears, L.R., M.E. Christman, J.B.U. Koch, C. Looney, and R.A. Ramirez. 2021. A review of bee captures in pest monitoring traps and future directions for research and collaboration. Journal of Integrated Pest Management 12: 49
Rodriguez-Soto, M.M., L.S. Enders, R.A. Ramirez, X. Xiong, and D.S. Richmond. 2021. Characterizing billbug (Sphenophorus spp.) seasonal biology using DNA barcodes and a simple morphometric analysis. Insects 12: 930
Rim, K., J. Crawford, S.J. Price, D.R. Viands, and R.A. Ramirez. 2021. Seeking alfalfa resistance to a rhizophagous pest, the clover root curculio (Sitona hispidulus F.). Insects 12: 906
Fu, Z., M.S. Crossley, B. Epstein, C. Bates, D.W. Crowder, A.A. Elling, P.A. Hohenlohe, R. Jabbour, R.A. Ramirez, and W.E. Snyder. 2021. Using fine-scale relatedness to infer natural enemy movement. Biological Control 160: 104662
Bui, H., R. Greenhalgh, G.S. Gill, M. Ji, A.H. Kurlovs, C. Ronnow, S. Lee, R.A. Ramirez, and R.M. Clark. 2021. Maize inbred line B96 is the source of large-effect loci for resistance to generalist but not specialist spider mites. Frontiers in Plant Science 12: 693088
Ruckert, A., J.R. Golec, C.L. Barnes, and R.A. Ramirez. 2021. Banks grass mite suppression may add to the benefit of drought-tolerant corn hybrids exposed to water stress. Journal of Economic Entomology toaa269
2020
Gill, G.S., H. Bui, R.M. Clark, and R.A. Ramirez. 2020. Varying responses to combined water-stress and herbivory in maize for spider mite species that differ in host specialization. Environmental and Experimental Botany 177: 104131
Judd, H.J., C. Huntzinger, R.A. Ramirez, and J.P. Strange. 2020. A 3D printed pollen trap for bumble bee (Bombus) hive entrances. Journal of Visualized Experiments e61500
Price, S.J., J.A. Gale, and R.A. Ramirez. 2020. Insecticide efficacy against alfalfa weevil, 2018 and 2019. Arthropod Management Tests 45: tsaa094
2019
Rim, K., S.J. Price, E.J. Wenninger, R. Long, and R.A. Ramirez. 2019. Biology and management of clover root curculio (Coleoptera: Curculionidae). Journal of Integrated Pest Management 10: 23
Jordan, S., R.A. Ramirez, and L. Gordillo. 2019. Modeling the spread of alfalfa stem nematodes. European Journal of Plant Pathology 154: 649-657
Dupuy, M.M., and R.A. Ramirez. 2019. Consumptive and non-consumptive effects of predatory arthropods on billbug (Coleoptera: Dryophthoridae) pests in turfgrass. Biological Control 129: 136-147
2018
Bui, H., R. Greenhalgh, A. Ruckert, G. Gill, S. Lee, R.A. Ramirez, and R.M. Clark. 2018. Generalist and specialist mite herbivores induce similar defense responses in maize and barley but differ in susceptibility to benzoxazinoids. Frontiers in Plant Science 9: 1222
Ruckert, A., N.L. Allen, and R.A. Ramirez. 2018. Combinations of plant water-stress and neonicotinoids can lead to secondary outbreaks of Banks grass mite (Oligonychus pratensis Banks). PLoS ONE 13: e0191536
2017
Dupuy, M., J. Powell, and R.A. Ramirez. 2017. Developing a degree-day model to predict billbug (Coleoptera: Curculionidae) seasonal activity in Utah and Idaho turfgrass. Journal of Economic Entomology 110: 2180-2189
Jordan, S., C. Nischwitz, R.A. Ramirez, and L. Gordillo. 2017. Managing the spread of alfalfa stem nematodes (Ditylenchus dipsaci): the relationship between crop rotation periods and pest re-emergence. Natural Resource Modeling 30: 1-9 e12083
2016
Spears, L., C. Looney, H. Ikerd, J.B. Koch, T. Griswold, J.P. Strange, and R.A. Ramirez. 2016. Pheromone lure and trap color affects bycatch in agricultural landscapes of Utah. Environmental Entomology 45: 1009-1016
Dupuy, M., and R.A. Ramirez. 2016. Biology and management of billbugs (Coleoptera: Curculionidae) in turfgrass. Journal of Integrated Pest Management 7: 6
Ramirez, R.A. and M.D. Eubanks. 2016. Herbivore density mediates the indirect effect of herbivores on plants via induced resistance and apparent competition. Ecosphere 7: e01218
2015
Davis, R., R.A. Ramirez, J.L. Anderson, and S. Bernhardt. 2015. Distribution and habitat of Ixodes pacificus (Acari: Ixodidae) and prevalence of Borrelia burgdorferi in Utah. Journal of Medical Entomology 52: 1361-1367
Spears, L. and R.A. Ramirez. 2015. Learning to love leftovers: using by-catch to expand our knowledge in entomology. American Entomologist 61: 168-173
Van Dyke, A., R.A. Ramirez, and B.A. McGraw. 2015. First report of invasive crane fly, Tipula oleracea, in Utah. Crop Forage Turfgrass Management 1:1-3
2014
Ramirez, R.A. and L. Spears. 2014. Stem nematode counteracts plant resistance of aphids in alfalfa, Medicago sativa. Journal of Chemical Ecology 40: 1099-1109
Kulmatiski, A., K,H, Beard, A. Anderson-Smith, M. Mazzacavallo, N. Nolan, R.A. Ramirez, J. Stevens, and S. Doucette-Riis. 2014. Most soil trophic guilds increase plant growth: a meta-analytical review. Oikos 123: 1409-1419
2013
Beddes, T., R. Anderson, and R.A. Ramirez. 2013. Calcined clay improves germination of arid plant species. Journal of Environmental Horticulture 31: 89-93
2010
Ramirez, R.A., D.W. Crowder, G.B. Snyder, M.R. Strand, and W.E. Snyder. 2010. Antipredator behavior of Colorado potato beetle larvae differs by instar and attacking predator. Biological Control 53: 230-237
2009
Ramirez, R.A. and W.E. Snyder. 2009. Scared sick? Predator-pathogen facilitation enhances the exploitation of a shared resource. Ecology 90: 2832-2839
Henderson, D.R., E. Riga, R.A. Ramirez, J. Wilson, and W.E. Snyder. 2009. Mustard biofumigation disrupts biological control by Steinernema spp. nematodes in the soil. Biological Control 48: 316-322
Ramirez, R.A., D.R. Henderson, E. Riga, L.A. Lacey, and W.E. Snyder. 2009. Harmful effects of mustard bio-fumigants on entomopathogenic nematodes. Biological Control 48: 147-157
2006
Henderson, D.R., R.A. Ramirez, E. Riga, and W.E. Snyder. 2006. Direct and indirect effects of mustard amendments on two entomopathogenic nematode genera, Steinernema and Heterorhabditis. Journal of Nematology 38: 274
Ramirez, R.A., D.C. Thompson, and M.D. Remmenga. 2006. The influence of low humidity, Pseudacteon flies, and competition by Solenopsis xyloni on S. invicta. Environmental Entomology 35: 1037-1048
Ramirez, R.A. and D.C. Thompson. 2006. Queen weights of polygyne Solenopsis invicta and S. xyloni suggest reduced competitive ability. Southwestern Entomologist 31: 49-54
2004
Nurse, RE., A. DiTommaso, and R.A. Ramirez. 2004. Planting date effects on the germinability and seedling vigor of Abutilon theophrasti seeds. PhytoProtection 85: 161-168
Gill, G.S., H.B. Lu, H. Bui, R.M. Clark, and R.A. Ramirez. 2024. Short-term responses of spider mites inform mechanisms of maize resistance to a generalist herbivore. Scientific Reports 14, 19607
Christman, M.E., L.R. Spears, E.K. Burchfield, W.D. Pearse, J.P. Strange, and R.A. Ramirez. 2024. Bumble bee responses to climate and landscape: investigating habitat associations and species assemblages across geographic regions in the United States of America. Global Change Biology 30:e17380
Hetherington, M.C., J. Brunet, D. Nieto, R.A. Ramirez, E.J. Wenninger, and C. Guedot. 2024. Electrophysiological and behavioral responses of Lygus hesperus Knight (Hemiptera: Miridae) to host plant volatiles. Chemoecology 34: 27-39
2023
Barnes, C.L., D. Wickwar, M. Yost, E. Creech, and R.A. Ramirez. 2023. The effects of water-stress, temperature, and plant traits on the outbreak potential of a specialist and generalist spider mite species (Acari: Tetranychidae). Journal of Applied Entomology 148: 13-25
Van Dyke, A., D. Wickwar, M.M. Dupuy, and R.A. Ramirez. 2023. Evaluating insecticide application timings against billbugs (Sphenophorus spp.) using a degree-day model and calendar-based approach in the Intermountain West. Crop, Forage, & Turfgrass Management
Anderson, A.R., R.A. Ramirez, J.E. Creech, T.L. Pitts-Singer. 2023. Melittobia acasta (Hymenoptera: Eulophidae) female longevity and life stage dependent parasitism using commercially managed Megachile rotundata (Hymenoptera: Megachilidae) as hosts. Journal of Insect Science
Wickwar, D., and R.A. Ramirez. 2023. Predatory arthropods and cues associated with predator presence elicit strong non-consumptive effects on bluegrass billbugs. Entomologia Experimentalis et Applicata
Anderson, A.R., R.A. Ramirez, J.E. Creech, T.L. Pitts-Singer. 2023. Life cycle of Melittobia acasta using Megachile rotundata as a host. Annals of the Entomological Society of America
Gill, G.S., H. Bui, R.M. Clark, and R.A. Ramirez. 2023. Spider mite resistant maize lines, B75 and B96, maintain resistance under water-stress. Journal of Pest Science 96: 1117-1132
2022
Christman, M.E., C. Barnes, T. Lindsay, J. Koch, L. Spears, J. Strange, and R.A. Ramirez. 2022. Captive rearing success and critical thermal maxima of Bombus griseocollis: A candidate for commercialization? Journal of Insect Science 22: 1-8
Lawton, D., A.S. Huseth, G.G. Kennedy, +40 (including R.A. Ramirez and L. Spears), and M. Zuefle. 2022. Pest population dynamics are related to a continental overwintering gradient. PNAS 119: e2203230119
Christman, M.E., L.R. Spears, J.P. Strange, W.D. Pearse, E.K. Burchfield, and R.A. Ramirez. 2022. Land cover and climate drive shifts in Bombus assemblage composition. Agriculture, Ecosystems & Environment 339: 108113
Ji, M., H. Bui, R.A. Ramirez, and R. Clark. 2022. Concerted cis and trans effects underpin heightened defense gene expression in multi-herbivore resistant maize lines. The Plant Journal 111: 508-528
Kopit, A., E. Klinger, D. Cox-Foster, R.A. Ramirez, and T. Pitts-Singer. 2022. Effects of provision type and pesticide exposure on the larval development of Osmia lignaria. Environmental Entomology nvab119
2021
Spears, L.R., M.E. Christman, J.B.U. Koch, C. Looney, and R.A. Ramirez. 2021. A review of bee captures in pest monitoring traps and future directions for research and collaboration. Journal of Integrated Pest Management 12: 49
Rodriguez-Soto, M.M., L.S. Enders, R.A. Ramirez, X. Xiong, and D.S. Richmond. 2021. Characterizing billbug (Sphenophorus spp.) seasonal biology using DNA barcodes and a simple morphometric analysis. Insects 12: 930
Rim, K., J. Crawford, S.J. Price, D.R. Viands, and R.A. Ramirez. 2021. Seeking alfalfa resistance to a rhizophagous pest, the clover root curculio (Sitona hispidulus F.). Insects 12: 906
Fu, Z., M.S. Crossley, B. Epstein, C. Bates, D.W. Crowder, A.A. Elling, P.A. Hohenlohe, R. Jabbour, R.A. Ramirez, and W.E. Snyder. 2021. Using fine-scale relatedness to infer natural enemy movement. Biological Control 160: 104662
Bui, H., R. Greenhalgh, G.S. Gill, M. Ji, A.H. Kurlovs, C. Ronnow, S. Lee, R.A. Ramirez, and R.M. Clark. 2021. Maize inbred line B96 is the source of large-effect loci for resistance to generalist but not specialist spider mites. Frontiers in Plant Science 12: 693088
Ruckert, A., J.R. Golec, C.L. Barnes, and R.A. Ramirez. 2021. Banks grass mite suppression may add to the benefit of drought-tolerant corn hybrids exposed to water stress. Journal of Economic Entomology toaa269
2020
Gill, G.S., H. Bui, R.M. Clark, and R.A. Ramirez. 2020. Varying responses to combined water-stress and herbivory in maize for spider mite species that differ in host specialization. Environmental and Experimental Botany 177: 104131
Judd, H.J., C. Huntzinger, R.A. Ramirez, and J.P. Strange. 2020. A 3D printed pollen trap for bumble bee (Bombus) hive entrances. Journal of Visualized Experiments e61500
Price, S.J., J.A. Gale, and R.A. Ramirez. 2020. Insecticide efficacy against alfalfa weevil, 2018 and 2019. Arthropod Management Tests 45: tsaa094
2019
Rim, K., S.J. Price, E.J. Wenninger, R. Long, and R.A. Ramirez. 2019. Biology and management of clover root curculio (Coleoptera: Curculionidae). Journal of Integrated Pest Management 10: 23
Jordan, S., R.A. Ramirez, and L. Gordillo. 2019. Modeling the spread of alfalfa stem nematodes. European Journal of Plant Pathology 154: 649-657
Dupuy, M.M., and R.A. Ramirez. 2019. Consumptive and non-consumptive effects of predatory arthropods on billbug (Coleoptera: Dryophthoridae) pests in turfgrass. Biological Control 129: 136-147
2018
Bui, H., R. Greenhalgh, A. Ruckert, G. Gill, S. Lee, R.A. Ramirez, and R.M. Clark. 2018. Generalist and specialist mite herbivores induce similar defense responses in maize and barley but differ in susceptibility to benzoxazinoids. Frontiers in Plant Science 9: 1222
Ruckert, A., N.L. Allen, and R.A. Ramirez. 2018. Combinations of plant water-stress and neonicotinoids can lead to secondary outbreaks of Banks grass mite (Oligonychus pratensis Banks). PLoS ONE 13: e0191536
2017
Dupuy, M., J. Powell, and R.A. Ramirez. 2017. Developing a degree-day model to predict billbug (Coleoptera: Curculionidae) seasonal activity in Utah and Idaho turfgrass. Journal of Economic Entomology 110: 2180-2189
Jordan, S., C. Nischwitz, R.A. Ramirez, and L. Gordillo. 2017. Managing the spread of alfalfa stem nematodes (Ditylenchus dipsaci): the relationship between crop rotation periods and pest re-emergence. Natural Resource Modeling 30: 1-9 e12083
2016
Spears, L., C. Looney, H. Ikerd, J.B. Koch, T. Griswold, J.P. Strange, and R.A. Ramirez. 2016. Pheromone lure and trap color affects bycatch in agricultural landscapes of Utah. Environmental Entomology 45: 1009-1016
Dupuy, M., and R.A. Ramirez. 2016. Biology and management of billbugs (Coleoptera: Curculionidae) in turfgrass. Journal of Integrated Pest Management 7: 6
Ramirez, R.A. and M.D. Eubanks. 2016. Herbivore density mediates the indirect effect of herbivores on plants via induced resistance and apparent competition. Ecosphere 7: e01218
2015
Davis, R., R.A. Ramirez, J.L. Anderson, and S. Bernhardt. 2015. Distribution and habitat of Ixodes pacificus (Acari: Ixodidae) and prevalence of Borrelia burgdorferi in Utah. Journal of Medical Entomology 52: 1361-1367
Spears, L. and R.A. Ramirez. 2015. Learning to love leftovers: using by-catch to expand our knowledge in entomology. American Entomologist 61: 168-173
Van Dyke, A., R.A. Ramirez, and B.A. McGraw. 2015. First report of invasive crane fly, Tipula oleracea, in Utah. Crop Forage Turfgrass Management 1:1-3
2014
Ramirez, R.A. and L. Spears. 2014. Stem nematode counteracts plant resistance of aphids in alfalfa, Medicago sativa. Journal of Chemical Ecology 40: 1099-1109
Kulmatiski, A., K,H, Beard, A. Anderson-Smith, M. Mazzacavallo, N. Nolan, R.A. Ramirez, J. Stevens, and S. Doucette-Riis. 2014. Most soil trophic guilds increase plant growth: a meta-analytical review. Oikos 123: 1409-1419
2013
Beddes, T., R. Anderson, and R.A. Ramirez. 2013. Calcined clay improves germination of arid plant species. Journal of Environmental Horticulture 31: 89-93
2010
Ramirez, R.A., D.W. Crowder, G.B. Snyder, M.R. Strand, and W.E. Snyder. 2010. Antipredator behavior of Colorado potato beetle larvae differs by instar and attacking predator. Biological Control 53: 230-237
2009
Ramirez, R.A. and W.E. Snyder. 2009. Scared sick? Predator-pathogen facilitation enhances the exploitation of a shared resource. Ecology 90: 2832-2839
Henderson, D.R., E. Riga, R.A. Ramirez, J. Wilson, and W.E. Snyder. 2009. Mustard biofumigation disrupts biological control by Steinernema spp. nematodes in the soil. Biological Control 48: 316-322
Ramirez, R.A., D.R. Henderson, E. Riga, L.A. Lacey, and W.E. Snyder. 2009. Harmful effects of mustard bio-fumigants on entomopathogenic nematodes. Biological Control 48: 147-157
2006
Henderson, D.R., R.A. Ramirez, E. Riga, and W.E. Snyder. 2006. Direct and indirect effects of mustard amendments on two entomopathogenic nematode genera, Steinernema and Heterorhabditis. Journal of Nematology 38: 274
Ramirez, R.A., D.C. Thompson, and M.D. Remmenga. 2006. The influence of low humidity, Pseudacteon flies, and competition by Solenopsis xyloni on S. invicta. Environmental Entomology 35: 1037-1048
Ramirez, R.A. and D.C. Thompson. 2006. Queen weights of polygyne Solenopsis invicta and S. xyloni suggest reduced competitive ability. Southwestern Entomologist 31: 49-54
2004
Nurse, RE., A. DiTommaso, and R.A. Ramirez. 2004. Planting date effects on the germinability and seedling vigor of Abutilon theophrasti seeds. PhytoProtection 85: 161-168
