Refereed Journals
Cockfield, S.D. and D.A. Potter. 1983. Short-term effects of insecticidal applications on predaceous arthropods and oribatid mites in Kentucky bluegrass turf. Environ. Entomol. 12:1260-1264.
Cockfield, S.D. and D.A. Potter. 1984. Predation on sod webworm (Lepidoptera: Pyralidae) eggs as affected by chlorpyriphos application to Kentucky bluegrass turf. J. Econ. Entomol. 77:1542-1544.
Cockfield, S.D. and D.A. Potter. 1984. Predatory insects and spiders from suburban lawns in Lexington, Kentucky. Great Lakes Entomol. 17:179-184.
Cockfield, S.D. and D.A. Potter. 1985. Predatory arthropods in high- and low-maintenance turfgrass. Can. Entomol. 117:423-429.
Cockfield, S.D. and D.A. Potter. 1986. Interaction of euonymus scale (Homoptera: Diaspididae) feeding damage and severe water stress on leaf abscission and growth of Euonymus fortunei. Oecologia 71:41-46.
Cockfield, S.D. and D.A. Potter. 1987. Distribution, development, and feeding impact of euonymus scale (Homoptera: Diaspididae) on Euonymus fortunei under greenhouse conditions. Environ. Entomol. 16:917-921.
Cockfield, S.D., D.A. Potter, and R.L. Houtz. 1987. Chlorosis and reduced photosynthetic CO2 assimilation of Euonymus fortunei infested with euonymus scale (Homoptera: Diaspididae). Environ. Entomol. 16:1314-1318.
Cockfield, S.D. 1988. Relative availability of nitrogen in host plants of invertebrate herbivores: three possible nutritional and physiological definitions. Oecologia 77:91-94.
Cockfield, S.D. and D.A. Potter. 1990. Euonymus scale (Homoptera: Diaspididae) effects on plant growth and leaf abscission, and implications for differential site selection by male and female scales. J. Econ. Entomol. 83:995-1001.
Cockfield, S.D. and D.A. Potter. 1990. Euonymus scale patterns of damage to woody plants. J. Arboric. 16:239-241.
Cockfield, S.D. 1992. Groundnut oil application and varietal resistance for control of Callosobruchus maculatus (F.) in cowpea grain in the Gambia. Trop. Pest Management.
Cockfield, S.D. and D.L. Mahr. 1992. Flooding cranberry beds to control blackheaded fireworm (Lepidoptera: Tortricidae). J. Econ. Entomol. 85:2383-2388.
Cockfield, S.D. and D.L. Mahr. 1993. Hatch of overwintering blackheaded fireworm (Lepidoptera: Tortricidae) in response to duration of winter. J. Econ. Entomol. 86:117-122.
Cockfield, S.D., and D.L. Mahr. 1993. Consequences of feeding site selection on growth and survival of young blackheaded fireworm (Lepidoptera: Tortricidae). Environ. Entomol. 22:607-612.
Cockfield, S.D., S.M. Fitzpatrick, K. Patten, D. Henderson, T. Dittl, A. Poole, C. Shanks, and D.L. Mahr. 1994. Modeling of blackheaded fireworm (Lepidoptera: Tortricidae) oviposition and pheromone trap catches. J. Econ. Entomol. 87: 787-792.
Cockfield, S.D., S.M. Fitzpatrick, K.V. Giles, and D.L. Mahr. 1994. Hatch of blackheaded fireworm (Lepidoptera: Tortricidae) eggs and prediction with temperature-driven models. Environ. Entomol. 23:101-107.
Cockfield, S.D., J.B. Olson, and D.L. Mahr. 1994. Blackheaded fireworm (Lepidoptera: Tortricidae) larval phenology model based on diet-specific developmental rates. Environ. Entomol. 23:406-413.
Cockfield, S.D., S.L. Butkewich, K.S. Samoil, and D.L. Mahr. 1994. Forecasting flight activity of Sparganothis sulfureana (Lepidoptera: Tortricidae) in cranberries. Environ. Entomol. 87:193-196.
Cockfield, S.D., and D.L. Mahr. 1994. Prediction models for flight activity of the cranberry girdler (Lepidoptera: Pyralidae) in Wisconsin. Great Lakes Entomol. 27:107-112.
Cockfield, S.D., and D.L. Mahr. 1994. Phenology of oviposition of Dasyneura oxycoccana (Diptera: Cecidomyiidae) in relation to cranberry plant growth and flowering. Great Lakes Entomol. 27:185-188.
A.L. Knight, S. Cockfield, and D. Thomson. 1997. Mating disruption of leafrollers in Washington’s apple orchards. La Difesa della Piante 20: 73-77.
A.L. Knight, D.R. Thomson, and S.D. Cockfield. 1998. Developing mating disruption of obliquebanded leafroller (Lepidoptera: Tortricidae) in Washington State. Environ. Entomol. 27: 1080-1088.
Miliczky, E., S.D. Cockfield, E.H. Beers, and D.R. Horton. 2007. Spatial patterns of western flower thrips in apple orchards and associated fruit damage. J. Entomol. Soc. British Columbia. 104: 25-33.
Cockfield, S.D., E.H. Beers, and R.S. Zack. 2007. Phenology of western flower thrips Frankliniella occidentalis (Pergande) (Thysanoptera: Thripidae) on plant species in and near apple orchards in Washington State. J. Entomol. Soc. British Columbia. 104: 35-44.
Cockfield, S.D., E.H. Beers, D.R. Horton and E. Miliczky. 2007. Timing of oviposition by western flower thrips (Thysanoptera: Thripidae) in apple fruit. J. Entomol. Soc. British Columbia. 104: 45-53.
Beers, E. H., S. D. Cockfield, and L. Gontijo. 2010. Seasonal phenology of woolly apple aphid (Hemiptera: Aphididae) in Central Washington. Environ. Entomol. 39: 286-294.
Cockfield, S.D., Beers, E.H., Pike, K.S., Graf, G., 2011. Biology of rosy apple aphid, Dysaphis plantaginea Passerini, (Homoptera: Aphididae) on its summer hosts in eastern Washington. Pan-Pacific Entomologist 87, 276-286.
Gontijo, L., Cockfield, S.D., Beers, E.H., 2012. Natural enemies of woolly apple aphid (Hemiptera: Aphididae) in Washington state. Environmental Entomology 41, 1364-1371.
Book Chapters
Potter, D.A., S.D. Cockfield, and T. Arnold Morris. 1989. Ecological side effects of pesticide and fertilizer use on turfgrass. pp. 33-44. In: A.R. Leslie and R.L. Metcalf (eds.). Integrated pest management for turfgrass and ornamentals. USEPA, Washington, D.C. 337 pp.
Technical Reports
Cockfield, S.D. 1987. Minimum insecticide protection of cowpeas trial. pp. 37-43. 1987 Ann. Rep. Agric. Res. Service, Dept. of Agric., Republic of the Gambia, Banjul.
Cockfield, S.D. 1987. Comparison of an electrodynamic sprayer with a knapsack sprayer for insect control in cowpea production. 1987 Ann. Rep. Agric. Res. Service, Dept. of Agric., Republic of the Gambia, Banjul.
Cockfield, S.D. 1987. Informal interviews of cowpea retailers in the Kombos. pp. 59-60. 1987 Ann. Rep. Agric. Res. Service, Dept. of Agric., Republic of the Gambia, Banjul.
Cockfield, S.D. 1988. National cowpea variety trial. 1988 Ann. Rep. Agric. Res. Service, Dept. of Agric., Republic of the Gambia, Banjul.
Cockfield, S.D. 1988. On-farm evaluation of steam treatment and groundnut oil application to control bruchids in stored cowpea grain. 1988 Ann. Rep. Agric. Res. Service, Dept. of Agric., Republic of the Gambia, Banjul.
Cockfield, S.D. 1988. Agronomic and pest management constraints to monocrop cowpea production in Western Gambia –1988 season. 1988 Ann. Rep. Agric. Res. Service, Dept. of Agric., Republic of the Gambia, Banjul.
Cockfield, S.D., Tijan Jallow, B.F. Mills, and M. Kabay. 1990. Groundnut stand establishment and seed viability in The Gambia. Gambian Agricultural Research Papers No. 4. Ministry of Agriculture, Republic of the Gambia, Banjul. 12 pp.
Proceedings
Potter, D.A., S.D. Cockfield, and T.S. Arnold. 1987. Ecological side effects of pesticide and fertilizer use on turf. American Chemical Society, New Orleans, LA. (Invited Symposium Paper).
Cockfield, S.D., and A.L. Knight. 1999. OBLR and codling moth areawide mating disruption in Brewster, WA. Pp. 119-120. In Proceedings of the 73rd Annual Western Orchard Pest and Disease Management Conference, 6-8 January, Portland, OR, Washington State University, Pullman.
Knight, A., B. Christianson, S. Cockfield, and J. Dunley. 2000. Brewster areawide management of obliquebanded leafroller and codling moth: year 2. pp. 21-22. In Proceedings of the 74th Annual Western Orchard Pest and Disease Management Conference, 5-7 January, Portland, OR, Washington State University, Pullman.
Beers, E. H, M. Klaus, A. Gephard, S. Cockfield, R. S. Zack, and C. W. O’Brien. 2003. Weevils attacking tree fruits in Washington. In Proceedings, 77th Annual Western Orchard Pest & Disease Management Conference, 14-16 January, Portland, OR. Washington State University, Pullman.
Cockfield, S.D., D.G. Johnson, E.H. Beers, and R.S. Zack. 2003. Ecology of western flower thrips in intra- and near-orchard habitats. . In Proceedings, 77th Annual Western Orchard Pest & Disease Management Conference, 14-16 January, Portland, OR. Washington State University, Pullman
Cockfield, S.D., and E.H. Beers. 2003. Susceptibility of apple cultivars to damage by Campylomma verbasci. . In Proceedings, 77th Annual Western Orchard Pest & Disease Management Conference, 14-16 January, Portland, OR. Washington State University, Pullman
Cockfield, S., E. Beers, E. Mliczky, and D. Horton. 2004. Management and migration of western flower thrips in apple. In Proceedings of the 78th Western Orchard Pest and Disease Management Conference, 14-16 January, Portland, OR. Washington State University, Pullman.
Cockfield, S. D., and E. H. Beers. 2004. Susceptiblity of ‘Gala’ and other cultivars to damage by Campylomma verbasci. In Proceedings of the 78th Western Orchard Pest and Disease Management Conference, 14-16 January, Portland, OR. Washington State University, Pullman.
Beers, E. H., R. R. Talley, and S. D. Cockfield. 2005. Mullein plant bug and western flower thrips control with two formulations of acetamiprid, 2004. Arthropod Manag. Tests 30: Report A2.
Beers, E. H., R. R. Talley, and S. D. Cockfield. 2005. Western flower thrips control with Assail and Carzol, 2004. Arthropod Manag. Tests 30: Report A3.
Beers, E. H., S. Cockfield, and R. Talley. 2005. Efficacy of insecticides for tetranychid mites. In Proceedings of the 79th Western Orchard Pest and Disease Management Conference, 14-16 January, Portland, OR. Washington State University, Pullman.
Beers, E. H., S. Cockfield, and R. Talley. 2005. Chemical control of thrips. In Proceedings of the 79th Western Orchard Pest and Disease Management Conference, 14-16 January, Portland, OR. Washington State University, Pullman.
Beers, E. H., S. Cockfield, and R. Talley. 2005. Efficacy of insecticides for rosy apple aphid. In Proceedings of the 79th Western Orchard Pest and Disease Management Conference, 14-16 January, Portland, OR. Washington State University, Pullman.
Cockfield, S. D., and E. H. Beers. 2005. Timing of Thrips Oviposition on Apple: Preliminary Results. In Proceedings of the 79th Western Orchard Pest and Disease Management Conference, 14-16 January, Portland, OR. Washington State University, Pullman.
Cockfield, S., E. Beers, E. Miliczky, and D. Horton. 2005. Does Orchard Floor Management Affect Thrips Management? In Proceedings of the 79th Western Orchard Pest and Disease Management Conference, 14-16 January, Portland, OR. Washington State University, Pullman.
Cockfield, S. D., and E. H. Beers. 2005. Pheromone Traps Determine Risk of Campylomma verbasci Infestation. In Proceedings of the 79th Western Orchard Pest and Disease Management Conference, 14-16 January, Portland, OR. Washington State University, Pullman.
Cockfield, S. D., and E. H. Beers. 2005. Susceptibility of ‘Gala’ and other cultivars to damage by Campylomma verbasci. In Proceedings of the 79th Western Orchard Pest and Disease Management Conference, 14-16 January, Portland, OR. Washington State University, Pullman.
Beers, E. H., S. D. Cockfield, and G. Fazio. 2006. Biology and management of woolly apple aphid, Eriosoma lanigerum (Hausmann), in Washington state. In Proceedings of the International Organization of Biological Control Conference, Subgroup Pome Fruit Arthropod Pests, 4-6 September, Lleida, Spain.
Trade Journals
Knight, A., B. Christianson, S. Cockfield, and J. Dunley. 2001. Areawide management of codling moth and leafrollers. Good Fruit Grower 52: 31-33.