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United States Department of Agriculture

Agricultural Research Service

Related Topics

Thomas R Unruh
Fruit and Vegetable Insect Research
Research Entomologist

Phone: (509) 454-6563
Fax: (509) 454-5646
5230 KONNOWAC PASS RD
WAPATO, WA, 98951-9651

Projects
Biorational Management of Insect Pests of Temperate Tree Fruits
Appropriated (D)
  Accession Number: 420684
Best Practices for Predator Releases: Lacewings, Beetles, and Mites
Trust (T)
  Accession Number: 419647

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Releases of insectary-reared Galendromus occidentalis (Acari: Phytoseiidae) in commercial apple orchards - (Peer Reviewed Journal)
Schmidt, R.A., Beers, E.H., Unruh, T.R., Horton, D.R. 2013. Releases of insectary-reared Galendromus occidentalis (Acari: Phytoseiidae) in commercial apple orchards. Journal of Economic Entomology. 106(5):1996-2005.
Survey of resistance to four insecticides and their associated mechanisms in different genotypes of the green peach aphid (Hemiptera: Aphididae) from Chile - (Peer Reviewed Journal)
Fuentes-Contreras, E., Figueroa, C.C., Silva, A.X., Bacigalupe, L.D., Briones, L.M., Foster, S.P., Unruh, T.R. 2013. Survey of resistance to four insecticides and their associated mechanisms in different genotypes of the green peach aphid (Hemiptera: Aphididae) from Chile. Journal of Economic Entomology. 106:400-407.
The effect of the granulosis virus (PapyGV) on larval mortality and feeding behavior of the Pandemis leafroller Pandemis pyrusana (Kearfott)(Lepidoptera: Tortricidae) - (Peer Reviewed Journal)
Unruh, T.R., Lacey, L.A., Headrick, H.L., Pfannenstiel, R.S. 2012. The effect of the granulosis virus (PapyGV) on larval mortality and feeding behavior of the Pandemis leafroller Pandemis pyrusana (Kearfott)(Lepidoptera: Tortricidae). Biocontrol Science and Technology. 22:981-990.
Application of Cydia pomonella expressed sequence tags: identification and expression of three general odorant binding proteins in codling moth - (Peer Reviewed Journal)
Garczynski, S.F., Coates, B.S., Unruh, T.R., Schaeffer, S., Jiwan, D., Koepke, T., Dhingra, A. 2013. Application of Cydia pomonella expressed sequence tags: identification and expression of three general odorant binding proteins in codling moth. Insect Science. 20(5):559-574.
Parasitism of leafrollers in Washington fruit orchards is enhanced by perimater plantings of rose and strawberry - (Peer Reviewed Journal)
Unruh, T.R., Pfannenstiel, R.S., Peters, C., Brunner, J., Jones, V.P. 2012. Parasitism of leafrollers in Washington fruit orchards is enhanced by perimater plantings of rose and strawberry. Biological Control. 62:162-172. dx.doi.org/10.1016/j.biocontrol.2012.04.007.
Parasitism of leafrollers in Washington fruit orchards is enhanced by perimeter plantings of rose and strawberry - (Peer Reviewed Journal) - (25-Apr-12)
Leafroller parasitism across an orchard landscape in central Washington and effect of neighboring rose habitats on parasitism - (Peer Reviewed Journal)
Pfannenstiel, R.S., Mackey, B.E., Unruh, T.R. 2012. Leafroller parasitism across an orchard landscape in central Washington and effect of neighboring rose habitats on parasitism. Biological Control. 62:152-161. dx.doi.org/10.1016/j.biocontrol.2012.04.006.
Diversity and phenology of the generalist predator community in apple orchards of Central Washington State (insecta, araneae) - (Peer Reviewed Journal)
Horton, D.R., Miliczky, E., Jones, V.P., Baker, C.C., Unruh, T.R. 2012. Diversity and phenology of the generalist predator community in apple orchards of Central Washington State (insecta, araneae). The Canadian Entomologist. 144:691-710.
Identification and initial characterization of the 3' end of gene transcripts encoding putative members of the pheromone receptor sub-family in Lepidoptera - (Peer Reviewed Journal)
Garczynski, S.F., Wanner, K., Unruh, T.R. 2011. Identification and initial characterization of the 3' end of gene transcripts encoding putative members of the pheromone receptor sub-family in Lepidoptera. Insect Science. 19:64-74.
Characterization of three transcripts encoding small heat shock proteins expressed in the codling moth, Cydia pomonella (Lepidoptera: Tortricidae) - (Peer Reviewed Journal)
Garczynski, S.F., Unruh, T.R., Guedot, C.N., Neven, L.G. 2011. Characterization of three transcripts encoding small heat shock proteins expressed in the codling moth, Cydia pomonella (Lepidoptera: Tortricidae). Insect Science. 18:473-483. DOI:10.1111/j.1744-7917.2011.01401.x.
A New Species of Vespula, and First Record of Vespa crabro L. (Hymenoptera:Vespidae) from Guatemala, Central America Reprint Icon - (Peer Reviewed Journal)
Landolt, P.J., Monzon Sierra, J., Unruh, T.R., Zack, R. 2010. A New Species of Vespula, and First Record of Vespa crabro L. (Hymenoptera:Vespidae) from Guatemala, Central America. Zootaxa 2629:61-68.
Overwintering hosts for the exotic leafroller parasitoid, Colpoclypeus florus: Implications for habitat manipulation to augment biological control of leafrollers in pome fruits - (Peer Reviewed Journal)
Pfannenstiel, R.S., Unruh, T.R., Brunner, J.F. 2010. Overwintering hosts for the exotic leafroller parasitoid, Colpoclypeus florus: Implications for habitat manipulation to augment biological control of leafrollers in pome fruits. Journal of Insect Science. 10:Article 75.
Analysis of Body Measurements and Wing Shape to Discriminate Rhagoletis pomonella and Rhagoletis zephyria (Diptera: Tephritidae) in Washington state. Reprint Icon - (Peer Reviewed Journal)
Yee, W.L., Chapman, P.S., Sheets, D., Unruh, T.R. 2009. Analysis of Body Measurements and Wing Shape to Discriminate Rhagoletis pomonella and Rhagoletis zephyria (Diptera: Tephritidae) in Washington state. Annals of the Entomological Society of America. 102(6):1013-1028.
Survey for Resistance to Four Inecticides in Myzus persicae Clones from Peach and Weeds in South-central Washington Reprint Icon - (Peer Reviewed Journal)
Unruh, T.R., Willett, L.S. 2008. Survey for Resistance to Four Inecticides in Myzus persicae Clones from Peach and Weeds in South-central Washington. Journal of Economic Entomology 101:1919-1929.
Movement of winged aphids is poorly understood despite its importance in disease vectoring in Washington potatoes - (Proceedings)
Unruh, T.R. 2008. Movement of winged aphids is poorly understood despite its importance in disease vectoring in Washington potatoes. Proceedings of the 47th Annual Washington State Potato Conference, Feb 5-7, 2008, Moses Lake, WA pp. 85-89.
Use of a New Immunomarking Method to Assess Movement by Generalist Predators Between a Cover Crop and Tree Canopy in a Pear Orchard Reprint Icon - (Peer Reviewed Journal)
Horton, D.R., Jones, V.P., Unruh, T.R. 2009. Use of a New Immunomarking Method to Assess Movement by Generalist Predators Between a Cover Crop and Tree Canopy in a Pear Orchard. American Entomologist. Vol 55(1):49-56.
Development of Monoclonal Antibodies to Pear Psylla (Hemiptera: Psyllidae) and Evaluation of Field Predation by Two Key Predators Reprint Icon - (Peer Reviewed Journal)
Unruh, T.R., Yu, T., Willett, L.S., Garczynski, S.F., Horton, D.R. 2008. DEVELOPMENT OF MONOCLONAL ANTIBODIES TO PEAR PSYLLA (HEMIPTERA: PSYLLIDAE) AND EVALUATION OF FIELD PREDATION BY TWO KEY PREDATORS. Annals of the Entomological Society of America. 101(5):887-898.
Occurrence of Two Little Cherry Viruses in Sweet Cherry in Washington State Reprint Icon - (Peer Reviewed Journal)
Bajet, N., Unruh, T.R., Druffel, K., Eastwell, K.C. 2008. Occurrence of Two Little Cherry Viruses in Sweet Cherry in Washington State. Plant Disease Vol 92(2)234-238.
Gut bacteria of the Pacific coast wireworm, Limonius canus, inferred from 16s rDNA sequences and their implications for control. Reprint Icon - (Peer Reviewed Journal)
Lacey, L.A., Unruh, T.R., Simkins, H., Thomsen Archer, K.L. 2007. Gut bacteria of the Pacific coast wireworm, Limonius canus, inferred from 16s rDNA sequences and their implications for control. Phytoparasitica. 35:479-489.
Improving Apple IPM by maximizing opportunities for biological control. - (Popular Publication)
Jones, V.P., Unruh, T.R., Horton, D.R., Brunner, J.F. 2006. Improving Apple IPM by maximizing opportunities for biological control. Good Fruit Grower. Dec. 2006, p. 1-8.
Pear Insects, Ecology and Control - (Book / Chapter)
Horton, D.R., Unruh, T.R. 2007. Pear Insects: Ecology and Control. Encyclopedia of Pest Management, 1:1, 1-4. URL: http://dx.doi.org/10.1081/E-EPM-120041162
Biological Control of Codling Moth (Cydia Pomonella, Tortricidae: Lepidoptera) and Its Role in Integrated Pest Management, with Emphasis on Entomopathogens. - (Peer Reviewed Journal)
Lacey, L.A., Unruh, T.R. 2007. Biological control of codling moth (cydia pomonella, tortricidae: lepidoptera) and its role in integrated pest management, with emphasis on entomopathogens. Vedalia 12:33-60.
Entomopathogenic Nematodes for Control of Codling Moth (Lepidoptera: Tortricidae) in Apple and Pear Orchards: Effect of Nematode Species and Seasonal Temperatures, Adjuvants, Application Equipment and Post-Application Reprint Icon - (Peer Reviewed Journal)
Lacey, L.A., Arthurs, S.P., Unruh, T.R., Headrick, H.L., Fritts, R. 2006. Entomopathogenic nematodes for control of codling moth (Lepidoptera: Tortricidae) in apple and pear orchards: Effect of nematode species and seasonal temperatures, adjuvants, application equipment and post-application irrigation. Biological Control. 37:214-223.
Identification of the Larval Aggregation Pheromone of Codling Moth, Cydia Pomonella Reprint Icon - (Peer Reviewed Journal)
Jumean, Z., Gries, R., Unruh, T.R., Rowland, E., Gries, G. 2005. Identification of the larval aggregation pheromone of codling moth, Cydia pomonella. Journal of Chemical Ecology. 31(4):911-924.
DNA Diagnostics to Identify Internal Fruit Feeders (Lepidoptera:tortricidae) of Pome Fruits of Quarantine Importance Reprint Icon - (Peer Reviewed Journal)
Barcenas, N.M., Unruh, T.R., Neven, L.G. 2005. Dna diagnostics to identify internal fruit feeders (Lepidoptera:Tortricidae) of pome fruits of quarantine importance. Journal of Economic Entomology. 98(2):299-306.
Mastrus Ridibundus Parasitoids Eavesdrop on Cocoon-Spinning Codling Moth, Cydia Pomonella, Larvae Reprint Icon - (Peer Reviewed Journal)
Jumean, Z., Unruh, T.R., Gries, R., Gries, G. 2005. Mastrus ridibundus parasitoids eavesdrop on cocoon-spinning codling moth, Cydia pomonella, larvae. Naturwissenschaften. 92: 20-25.
Leafroller Biocontrol Enhanced Near Rose and Strawberry Gardens: An Update - (Abstract Only)
Unruh, T.R. 2004. Leafroller biocontrol enhanced near rose and strawberry gardens: an update. Western Orchard Pest and Disease Management Conference. p.20.
Dna-Based Diagnostics for Lepidopteran Pests of Pome Fruits - (Abstract Only)
Barcenas, N., Unruh, T.R., Neven, L.G. 2004. DNA-based diagnostics for Lepidopteran pests of pome fruits. Western Orchard Pest and Disease Management Conference. p.35.
Interactions of Two Idiobiont Parasitoids (Hymenoptera: Ichneumonidae) of Codling Moth (Lepidoptera:tortricidae) with Entomopathogenic Nematode Steinernema Carpocapsae (Rhabditida: Steinernematidae) Reprint Icon - (Peer Reviewed Journal)
Lacey, L.A., Unruh, T.R., Headrick, H.L. 2003. Interactions of two idiobiont parasitoids (Hymenoptera:Ichneumonidae) of codling moth (Lepidoptera:Tortricidae) with entomopathogenic nematode Steinernema carpocapsae (Rhabditida:Steinernematidae). Journal of Invertebrate Pathology. 83:230-239.
Detecting Cacopsylla Pyricola (Hemiptera: Psyllidae) in Predator Guts Using Coi Mitochondrial Markers - (Peer Reviewed Journal)
Agusti, N., Unruh, T.R., Welter, S.C. 2003. Detecting Cacopsylla pyricola (Hemiptera: Psyllidae) in predator guts using CO1 mitochondrial markers. Bulletin of Entomological Research. 93:179-185.
Conservation of Leafroller Parasitoids Through Provision of Alternate Hosts in Near-Orchards Habitats - (Proceedings)
Pfannenstiel, R.S., Unruh, T.R. 2003. Conservation of leafroller parasitoids through provision of alternate hosts in near-orchards habitats. International Symposium on Biological Control of Arthropods. USDA Forst Service Pub. FHTET-03-05. p. 256-262.
Rose Plantings Increase Leafroller Parasitism in Orchards: a Story for the Rose City - (Proceedings)
Unruh, T.R. 2003. Rose plantings increase leafroller parasitism in orchards: a story for the Rose City. Western Orchard Pest and Disease Management Conference. p.24-26.
Habitat Manipulation to Increase Parasitism of Leafrollers and Codling Moth - (Proceedings)
Unruh, T.R. 2003. Habitat manipulation to increase parasitism of leafrollers and codling moth. Washington State Horticulture Association Proceedings. p.125-127.
Inroduction and Establishment of Parasitoids for the Biological Control of the Apple Ermine Moth, Yponomeuta Malinellus (Lepidoptera: Yponomeutidae), in the Pacific Northwest Reprint Icon - (Peer Reviewed Journal)
Unruh, T.R., Short, R.E., Herard, F., Chen, K., Hopper, K.R., Pemberton, R.W., Lee, J.H., Ertle, L.R., Swan, K.S., Fuester, R.W. 2003. Inroduction and establishment of parasitoids for the biological control of the apple ermine moth, Yponomeuta malinellus (Lepidoptera: Yponomeutidae), in the Pacific Northwest. Biological Control. 28:332-345.
Impacts of Seasonal Kaolin Particle Films on Apple Pest Management - (Peer Reviewed Journal)
Knight, A.L., Christianson Jr, B.A., Unruh, T.R., Puterka, G.J., Glenn, D.M. 2001. Impacts of seasonal kaolin particle films on apple pest management. The Canadian Entomologist. 133:413-428.
Use of Insect Pathogens for Control of Codling Moth and Other Lepidopteran Pests of Apple in the Pacific Northwest of the United States - (Abstract Only)
Lacey, L.A., Unruh, T.R. 2001. Use of insect pathogens for control of codling moth and other Lepidopteran pests of apple in the Pacific Northwest of the United States. Western Orchard Pest and Disease Management Conference. p. 47.
Control of Codling Moth, Cydia Pomonella (Lepidoptera: Tortricidae) with Steinernema Carpocapsae: Effects of Supplemental Wetting and Pupation Site on Infection Rate - (Peer Reviewed Journal)
Unruh, T.R., Lacey, L.A. 2001. Control of codling moth, Cydia pomonella (Lepidoptera: Tortricidae) with Steinernema carpocapsae: effects of supplemental wetting and pupation site on infection rate. Biological Control. 20:48-56.
Pear Ipm Research Needs: Leaves to Landscapes - (Trade Journal)
Unruh, T.R. 2000. Pear IPM research needs: leaves to landscapes. Good Fruit Grower. p. 19-20.
Particle Films for Suppression of the Codling Moth, Cydia Pomonella (L.), in Apple and Pear Orchards - (Peer Reviewed Journal)
Unruh, T.R., Knight, A.L., Upton, J.E., Glenn, D.M., Puterka, G.J. 2000. Particle films for suppression of the codling moth, Cydia pomonella (L.), in apple and pear orchards. Journal of Economic Entomology. 93:737-743.
Effects of a Kaolin-Based Particle Film on the Obliquebanded Leafroller, Choristoneura Rosaceana (Harris), (Lepidoptera:tortricidae) - (Peer Reviewed Journal)
Knight, A.L., Unruh, T.R., Christianson Jr, B.A., Puterka, G.J., Glenn, D.M. 2000. Effects of a kaolin-based particle film on the obliquebanded leafroller, Choristoneura rosaceana (Harris), (Lepidoptera:Tortricidae). Journal of Economic Entomology. 93:744-749.
Landscape Affects Leafroller Parasitism - (Abstract Only)
Pfannenstiel, R.S., Unruh, T.R. 2000. Landscape affects leafroller parasitism. Western Orchard Pest and Disease Management Conference. p.35.
Biological Control of Leafrollers: Prospects Using Habitat Manipulation - (Peer Reviewed Journal)
Pfannenstiel, R.S., Unruh, T.R., Brunner, J.F. 1999. Biological control of leafrollers: prospects using habitat manipulation. Washington State Horticulture Association Proceedings. 95:145-149.
Codling Moth Biological and Cultural Control: I. Tree Banding - (Abstract Only)
Unruh, T.R. 2000. Codling moth biological and cultural control: I. Tree banding. Western Orchard Pest and Disease Management Conference. p.37.
Codling Moth Biological and Cultural Control: Ii. Parasites and Parasitism - (Abstract Only)
Unruh, T.R. 2000. Codling moth biological and cultural control: II. Parasites and parasitism. Western Orchard Pest and Disease Management Conference. p.39.
Presence-Absence Sampling Prospects for Pear Psylla - (Abstract Only)
Unruh, T.R. 2000. Presence-absence sampling prospects for pear psylla. Western Orchard Pest and Disease Management Conference. p.3.
Does Ipm Need Areawide Pest Biology and Landscape Ecology? - (Proceedings)
Unruh, T.R. 1999. Does IPM need areawide pest biology and landscape ecology? Washington State Horticulture Association Proceedings. p. 169-173.
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Last Modified: 11/23/2014
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