Page Banner

United States Department of Agriculture

Agricultural Research Service

VICTORIA Y. YOKOYAMA

Research Entomologist


Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Olive fruit fly adult response to attract-and-kill bait stations in greenhouse cages with weathered bait spray and a commercial table olive orchard - (Peer Reviewed Journal)
Yokoyama, V.Y. 2014. Olive fruit fly adult response to attract-and-kill bait stations in greenhouse cages with weathered bait spray and a commercial table olive orchard. Journal of Asia-Pacific Entomology. 17:717-721.
Multiple quarantine treatment using bale compression and a three day fumigation to control Hessian fly (Diptera: Cecidomyiidae) in exported hay - (Peer Reviewed Journal)
Yokoyama, V.Y. 2014. Multiple quarantine treatment using bale compression and a three day fumigation to control Hessian fly (Diptera: Cecidomyiidae) in exported hay. Journal of Economic Entomology. 107:981-986.
Response of olive fruit fly, Bactrocera oleae, to an attract and kill trap in greenhouse cage tests - (Peer Reviewed Journal) - (02-Feb-14)
Biology, behavior, and olive orchard IPM of Bactrocera oleae (Rossi) fifteen years after invasion in California - (Abstract Only)
Yokoyama, V.Y. 2014. Biology, behavior, and olive orchard IPM of Bactrocera oleae (Rossi) fifteen years after invasion in California. Abstracts of the 9th International Symposium on Fruit Flies of Economic Importance, May 12-16, 2014, Bangkok, Thailand. p. 114.
Survival of Hessian Fly (Diptera: Cecidomyiidae) puparia exposed to simulated hay harvest conditions, location and windrow dying in Washington and California - (Peer Reviewed Journal)
Yokoyama, V.Y., Cambron, S.E. 2013. Survival of Hessian Fly (Diptera: Cecidomyiidae) puparia exposed to simulated hay harvest conditions, location and windrow dying in Washington and California. Journal of Economic Entomology. 106: 1164-1172.
Mobility of olive fruit fly (Diptera: Tephritidae) late third instars and teneral adults in test arenas - (Peer Reviewed Journal)
Yokoyama, V.Y. 2012. Mobility of olive fruit fly (Diptera: Tephritidae) late third instars and teneral adults in test arenas. Environmental Entomology. 41:1177-1183.
The Japan disaster and U.S. hay exports - (Peer Reviewed Journal)
Yokoyama, V.Y. 2012. The Japan disaster and U.S. hay exports. American Entomologist. 58:151-153.
Performance of Psyttalia humilis (Hymenoptera: Braconidae) reared from irradiated host on olive fruit fly (Diptera: Tephritidae) in California - (Peer Reviewed Journal)
Yokoyama, V.Y., Wang, X., Aldana, A., Caceres, C.E., Rendon, P.A., Johnson, M.W., Daane, K.M. 2012. Performance of Psyttalia humilis (Hymenoptera: Braconidae) reared from irradiated host on olive fruit fly (Diptera: Tephritidae) in California. Environmental Entomology. 41:497-507.
Olive fruit fly (Diptera: Tephritidae) in California: Longevity, oviposition, and development in canning olives in the laboratory and greenhouse - (Peer Reviewed Journal)
Yokoyama, V.Y. 2012. Olive fruit fly (Diptera: Tephritidae) in California: Longevity, oviposition, and development in canning olives in the laboratory and greenhouse. Journal of Economic Entomology. 105:186-195.
Evaluation of imported parasitoid fitness for biocontrol of olive fruit fly in California olives - (Abstract Only)
Yokoyama, V.Y. 2011. Evaluation of imported parasitoid fitness for biocontrol of olive fruit fly in California olives. Meeting Abstract of the 4th International Conference for Olive Tree and Olive Products, Olivebioteq 2011. October 31-November 4, 2011, Chania, Crete, Greece. p. 113.
Biological Control of Olive Fruit Fly - (Proceedings)
Johnson, M.W., Daane, K.M., Wang, X., Yokoyama, V.Y., Pickett, C., Hoelmer, K.A., Kirk, A.A. 2012. Biological Control of Olive Fruit Fly. International Organization for Biological Control. 79: 63-69.
Rearing, Importation, and Release of Psyttalia humilis for Biocontrol of Olive Fruit Fly in California - (Abstract Only)
Yokoyama, V.Y. 2011. Rearing, Importation, and Release of Psyttalia humilis for Biocontrol of Olive Fruit Fly in California. IOBC/WPRS Bulletin (Abstract for Conference Proceedings), May 3-6, 2011, Havana, Cuba. p. 4.
Subtropical Fruit Fly Invasions into Temperate Fruit Fly Territory in California's San Joaquin Valley - (Abstract Only)
Yokoyama, V.Y. 2011. Subtropical Fruit Fly Invasions into Temperate Fruit Fly Territory in California's San Joaquin Valley. Entomology Society of America Pacific Branch Meeting. 135.
Development of Biological and Cultural Control of Olive Fruit Fly in the Central Valley of California - (Other)
Yokoyama, V.Y. 2011. Development of Biological and Cultural Control of Olive Fruit Fly in the Central Valley of California. California Olive Committee Annual Research Report. 46-57.
Approved quarantine treatment for Hessian fly (Diptera: Cecidomyiidae) in large-size bales and Hessian fly and cereal leaf beetle (Coleoptera: Chrysomelidae) control by bale compression - (Peer Reviewed Journal)
Yokoyama, V.Y. 2011. Approved quarantine treatment for Hessian fly (Diptera: Cecidomyiidae) in large-size bales and Hessian fly and cereal leaf beetle (Coleoptera: Chrysomelidae) control by bale compression. Journal of Economic Entomology. 104:792-798.
Response of Psyttalia humilis (Hymenoptera: Braconidae) to olive fruit fly (Diptera: Tephritidae) and conditions in California olive orchards - (Peer Reviewed Journal)
Yokoyama, V.Y., Rendon, P.A., Wang, X., Opp, S.B., Johnson, M.W., Daane, K.M. 2011. Response of Psyttalia humilis (Hymenoptera: Braconidae) to olive fruit fly (Diptera: Tephritidae) and conditions in California olive orchards. Environmental Entomology. 40:315-323.
Comparative evaluation of two olive fruit fly parasitoids under varying abiotic conditions - (Peer Reviewed Journal)
Wang, X., Johnson, M.W., Yokoyama, V.Y., Pickett, C.H., Daane, K.M. 2010. Comparative evaluation of two olive fruit fly parasitoids under varying abiotic conditions. Biocontrol. 56:283-293.
Pest, Parasitoid, and Fruit Interactions in Biological Control of Olive Fruit Fly in California - (Abstract Only)
Yokoyama, V.Y. 2010. Pest, Parasitoid, and Fruit Interactions in Biological Control of Olive Fruit Fly in California. Fruit Flies of Economic Importance International Symposium, September 26 - October 1, 2010, Valencia, Spain.
Field Performance and Fitness of an Olive Fruit Fly Parasitoid, Psyttalia humilis (Hymenoptera: Braconidae) mass reared on irradiated Medfly - (Peer Reviewed Journal)
Yokoyama, V.Y., Caceres, C.E., Kuenen, L.P., Wang, X., Rendon, P.A., Johnson, M.W., Daane, K.M. 2010. Field Performance and Fitness of an Olive Fruit Fly Parasitoid, Psyttalia humilis (Hymenoptera: Braconidae) mass reared on irradiated Medfly. Journal of Biological Control. 54:90-99.
Hessian fly mortality by phosphine-carbon dioxide fumigation and postharvest drying - (Other)
Yokoyama, V.Y. 2010. Hessian fly mortality by phosphine-carbon dioxide fumigation and postharvest drying. National Hay Association, International Market Development Research Report, No. 1, March 17, 2010. National Hay Association, Tampa, Florida. p.5.
Response of Hessian Fly to a Potential New Fumigant for Exported Hay - (Abstract Only)
Yokoyama, V.Y., Cambron, S.E., Muhareb, J. 2010. Response of Hessian Fly to a Potential New Fumigant for Exported Hay. Entomology Society of America Pacific Branch Meeting, April 11-14, 2010, Boise, Idaho. p. 49.
Biological and Cultural Control of Olive Fruit Fly in California---Utilization of Parasitoids from USDA-APHIS-PPQ, Guatemala and Cultural Control Methods - (Other)
Yokoyama, V.Y. 2010. Biological and Cultural Control of Olive Fruit Fly in California---Utilization of Parasitoids from USDA-APHIS-PPQ, Guatemala and Cultural Control Methods. California Olive Committee Annual Research Report. pp. 62-71.
2008 Field Releases of Psyttalia Cf. Concolor for Biological Control of Olive Fruit Fly in California - (Abstract Only)
Yokoyama, V.Y., Rendon, P.A., Caceres, C.E. 2009. 2008 Field Releases of Psyttalia cf. concolor for Biological Control of Olive Fruit Fly in California. Abstracts of the Entomological Society of America, 93rd Pacific Branch Annual Meeting, March 29-April 1, 2009. p. 53.
Biological and Cultural Control of Olive Fruit Fly in California---Utilization of Parasitoids from USDA-APHIS-PPQ, Guatemala - (Other)
Yokoyama, V.Y. 2009. Biological and Cultural Control of Olive Fruit Fly in California---Utilization of Parasitoids from USDA-APHIS-PPQ, Guatemala. California Olive Committee Annual Research Report. p. 91-97.
Enlargement of cultivated olive fruit reduces the efficiency of the larval olive fruit fly parasitoid Psyttalia concolor - (Peer Reviewed Journal)
Wang, X., Johnson, M.W., Daane, K.M., Yokoyama, V.Y., Pickett, C.H. 2009. Enlargement of cultivated olive fruit reduces the efficiency of the larval olive fruit fly parasitoid Psyttalia concolor. Journal of Biological Control. 49: 45-51.
Biological Control of Olive Fruit Fly in California with a Parasitoid Imported from Guatemala - (Abstract Only)
Yokoyama, V.Y. 2008. Biological Control of Olive Fruit Fly in California with a Parasitoid Imported from Guatemala. Meeting of the Working Group on Fruit Flies of the Western Hemisphere, November 2-7, 2008, Mazatlan, Sinaloa, Mexico. No. S9b
Biological Control of Olive Fruit Fly (Diptera: Tephritidae) by Releases of Psyttalia cf. concolor (Hymenoptera: Braconidae) in California, Parasitoid Longevity in Presence of the Host, and Host Status of Walnut Husk Fly - (Proceedings)
Yokoyama, V.Y., Rendon, P., Sivinski, J.M. 2008. Biological Control of Olive Fruit Fly (Diptera: Tephritidae) by Releases of Psyttalia cf. concolor (Hymenoptera: Braconidae) in California, Parasitoid Longevity in Presence of the Host, and Host Status of Walnut Husk Fly. Proceedings of the 7th International Symposium on Fruit Flies of Economic Importance, September 10-15, 2006, Salvador, Bahia, Brazil. pp 157-164.
Psyttalia cf. concolor (Hymenoptera: Braconidae) for Biological Control of Olive Fruit fly (Diptera: Tephritidae) in California - (Peer Reviewed Journal)
Yokoyama, V.Y., Rendon, P., Sivinski, J.M. 2008. Psyttalia cf. concolor (Hymenoptera: Braconidae) for Biological Control of Olive Fruit fly (Diptera: Tephritidae) in California. Journal of Economic Entomology. 37: 764-773
Olive Fruit Fly, an Invasive Species in California, Mitigation by Cultural and Biological Control Based on Pest Biology - (Abstract Only)
Yokoyama, V.Y. 2008. Olive Fruit Fly, an Invasive Species in California, Mitigation by Cultural and Biological Control Based on Pest Biology. Entomology International Congress. p. 1040.
Susceptibility of Olive Fruit in Relation to Olive Fruit Fly Development and Ovipositional Period in California - (Abstract Only)
Yokoyama, V.Y. 2008. Susceptibility of Olive Fruit in Relation to Olive Fruit Fly Development and Ovipositional Period in California. Entomology Society of America Pacific Branch Meeting, March 30 - April 2, 2008, Napa, California. P. 22.
Biological and Cultural Control of Olive Fruit Fly in California - (Abstract Only)
Yokoyama, V.Y. 2007. Biological and cultural control of olive fruit fly in california. 9th Annual Exotic Fruit Fly Symposium, April 25-26, 2007, Fresno, California. p. 72
Biological control of olive fruit fly by 2006 parasitoid releases of Psyttalia cf. concolor imported from Guatemala - (Abstract Only)
Yokoyama, V.Y., Rendon, P. 2007. Biological control of olive fruit fly by 2006 parasitoid releases of Psyttalia cf. concolor imported from Guatemala. Entomology Society of America Pacific Branch Meeting. p. 125-126.
Olive Fruit Fly (Diptera: Tephritidae) Popultations in Relation to Region, Trap Type, Season, and Availability of Fruit - (Peer Reviewed Journal)
Yokoyama, V.Y., Miller, G.T., Stewart-Leslie, J., Rice, R.E., Phillips, P.A. 2006. Olive fruit fly (diptera: tephritidae) popultations in relation to region, trap type, season, and availability of fruit. Journal of Economic Entomology. 99(6):2072-2079.
Olive Fruit Fly Management Guidelines for 2006 - (Experiment Station)
Johnson, M.W., Zalom, F.G., Steenwyk, R., Vossen, P., Devarenne, A.K., Daane, K.M., Kruegar, W.H., Connell, J.H., Yokoyama, V.Y., Bisabri, B., Caprile, J., Nelson, J. 2006. Olive Fruit Fly Management Guidelines for 2006. UC Plant Protection Quarterly. 16:1-9.
Olive Fruit Fly Biology and Cultural Control Practices in California - (Proceedings)
Yokoyama, V.Y. 2007. Olive fruit fly biology and cultural control practices in california. IOBC/WPRS BULL. 30:277-285.
Proactive Research to Prevent the Interruption of Trade with the Advance of Invasive Species - (Abstract Only)
Yokoyama, V.Y. 2003. Proactive research to prevent the interruption of trade with the advance of invasive species. Entomology Society of America 90th Pacific Branch Meeting, March 5-8, 2006, Maui, Hawaii. p. 109
Biological Control of Olive Fruit Fly in California by Psyttalia Cf. Concolor (Szépligeti) from Moscamed, Guatemala - (Abstract Only)
Yokoyama, V.Y., Miller, G.T., Rendon, P., Sivinski, J.M. 2005. Biological control of olive fruit fly in california by psyttalia cf. concolor (szépligeti) from moscamed, guatemala. European Meeting in the IOBC/WPRS Working Group, Integrated Protection of Olive Crops" 26-28, October 2005, Florence, Italy. p.36.
Olive Fruit Fly Biology and Cultural Control Practices in California - (Abstract Only)
Yokoyama, V.Y., Miller, G.T. 2005. Olive fruit fly biology and cultural control practices in california. European Meeting in the IOBC/WPRS Working Group "Integrated Protection of Olive Crops" 26-28 October 2005, Florence, Italy. p. 75.
Systems Approach for Control of Olive Fruit Fly in California - (Abstract Only) - (14-Mar-05)
Potential of P. Cf. Concolor from Moscamed, Guatemala for Biological Control of Olive Fruit Fly in California - (Abstract Only)
Yokoyama, V.Y. 2005. Potential of p. cf. concolor from moscamed, guatemala for biological control of olive fruit fly in california. Exotic Fruit Fly Symposium, March 7-9, 2005, Riverside, California.
Big Bale Compression for Control of Hessian Fly in Exported Hay - (Abstract Only)
Yokoyama, V.Y. 2005. Big bale compression for control of hessian fly in exported hay. Entomology Society of America Pacific Branch Meeting, March 19, 2005, Pacific Grove, California.
Quarantine Control Strategies for Olive Fruit Fly in California - (Peer Reviewed Journal)
Yokoyama, V.Y., Miller, G.T., Sivinski, J.M. 2002. Quarantine control strategies for olive fruit fly in california. Proceedings of the 6th International Fruit Fly Symposium, May 6-10, 2002, Stellenbosch, South Africa. p.241-244.
Systems Approaches for Control of Olive Fruit Fly: a Recent Introduction of An Exotic Pest in California - (Proceedings)
Yokoyama, V.Y., Miller, G.T. Systems approaches for control of olive fruit fly: a recent introduction of an exotic pest in california. Abstracts of the XXII International Congress of Entomology, Brisbane, Queensland, Australia, August 15-21, 2004.
Quarantine Strategies for Olive Fruit Fly (Diptera: Tephritidae): Low Temperature Storage, Brine, and Host Relations - (Peer Reviewed Journal)
Yokoyama, V.Y., Miller, G.T. 2004. Quarantine strategies for olive fruit fly (diptera: tephritidae): low temperature storage, brine, and host relations. Journal of Economic Entomology. 97(4):1249-1253.
Mortality of Cereal Leaf Beetle in Compressed Hay Exports - (Abstract Only)
Yokoyama, V.Y. 2005. Mortality of cereal leaf beetle in compressed hay exports. Entomology Society of America Pacific Branch Meeting, February 27 - March 2, 2005, Pacific Grove, California.
Quarantine Control of Hessian Fly (Diptera: Cecidomyiidae) in Exported Hay: a New Treatment for Large-Size, Polypropylene Fabric-Wrapped Bales and a Three Day Fumigation for Compressed Standard Bales. - (Peer Reviewed Journal)
Yokoyama, V.Y. 2003. Quarantine control of hessian fly (diptera: cecidomyiidae) in exported hay: a new treatment for large-size, polypropylene fabric-wrapped bales and a three day fumigation for compressed standard bales. Journal of Economic Entomology. Volume(96):1340-1344.
Bale Compression and Hydrogen Phosphide Fumigation to Control Cereal Leaf Beetle (Coleoptera: Chrysomelidae) in Exported Rye Straw - (Peer Reviewed Journal)
Yokoyama, V.Y., Miller, G.T. 2002. Bale compression and hydrogen phosphide fumigation to control cereal leaf beetle (coleoptera: chrysomelidae) in exported rye straw. Journal of Economic Entomology. Volume(95):513-519.
Pest Response in Packed Table Grapes to Low Temperature Storage Combined with Slow-Release Sulfur Dioxide Pads in Basic and Large-Scale Tests - (Peer Reviewed Journal)
Yokoyama, V.Y., Miller, G.T., Crisosto, C.H. 2001. Basic and large-scale tests to determine pest response in packed table grapes to low temperature storage combined with slow release sulfur dioxidepads. Journal of Economic Entomology. Volume(94):984-988.
Response of Omnivorous Leafroller (Lepidoptera: Tortricidae) and Onion Thrips (Thysanoptera: Thripidae) to Low Temperature Storage - (Peer Reviewed Journal)
Yokoyama, V.Y., Miller, G.T. 2000. Response of omnivorous leafroller (lepidoptera: tortricidae) and onion thrips (thysanoptera: thripidae) to low temperature storage. Journal of Economic Entomology. Volume(93):1031-1034.
Large-Scale, on-Site Confirmatory, and Varietal Testing of a Methyl Bromide Quarantine Treatment to Control Codling Moth (Lepidoptera: Tortricidae) in Nectarines Exported to Japan - (Peer Reviewed Journal)
Yokoyama, V.Y., Miller, G.T., Hartsell, P.L., Leesch, J.G. Large-scale, on-site confirmatory, and varietal testing of a methyl bromide quarantine treatment to control codling moth (lepidoptera: tortricidae) in nectarines exported to japan. Journal of Economic Entomology. Volume(93):1025-1030.
Low Temperature Storage Combined with Sulfur Dioxide Slow Release Packagingfor Quarantine Control of Omnivorous Leafroller (Lepidoptera: Tortricidae) - (Abstract Only) - (25-Feb-99)
Low Temperature Storage Combined with Sulfur Dioxide Slow Release Pads for Quarantine Control of Omnivorous Leafroller Playnota Stultana (Lepidoptera:tortricidae) - (Peer Reviewed Journal) - (02-Feb-99)
Complete Mortality of Hessian Fly Puparia in Two Large-Scale Tests to Confirm the Efficacy of a Multiple Quarantine Treatment for Complessed Hay Exported to Japan - (Peer Reviewed Journal) - (16-Jun-96)
Response of Walnut Husk Fly (Diptera: Tephritidae) to Low Temperature, Irrigation and Pest-Free Period for Exported Stone Fruits - (Peer Reviewed Journal) - (01-Oct-95)
Last Modified: 2/24/2014
Footer Content Back to Top of Page