WSU Tree Fruit Research & Extension Center

Elizabeth H Beers

Sunday, April 23, 2017

 


Refereed Journal Articles

Beers, Elizabeth. H., and Rebecca. A. Schmidt-Jeffris. 2015. Effects of Orchard Pesticides on Galendromus occidentalis (Acari: Phytoseiidae): Repellency and Irritancy. Journal of Economic Entomology 2015. (full text)

Beers, E. H., and R. A. Schmidt. 2014. Impacts of orchard pesticides on Galendromus occidentalis: Lethal and sublethal effects. Crop Prot. 56: 16-24. (view pdf)

Gontijo, L., E. H. Beers, and W. E. Snyder. 2013. Flowers promote aphid suppression in apple orchards. Biol. Contr. 66: 8-15. (view pdf)

Lee, J. C., P. W. Shearer, L. D. Barrantes, E. H. Beers, H. J. Burrack, D. T. Dalton, A. J. Dreves, L. J. Gut, K. A. Hamby, D. R. Haviland, R. Isaacs, A. L. Nielsen, T. Richardson, C. R. Rodriguez-Saona, C. A. Stanley, D. B. Walsh, V. M. Walton, W. L. Yee, F. G. Zalom, and D. J. Bruck. 2013. Trap designs for monitoring Drosophila suzukii (Diptera: Drosophilidae). Environ. Entomol. 42: 1348-1355. (view pdf)

Mekuria, T.A., Smith, T.J., Beers, E.H., Eastwell, K., 2013. First report of transmission of Little cherry virus 2 to sweet cherry by Pseudococcus maritimus (Ehrhorn) [Note]. Plant Disease, in press. (view pdf)

Beers, E.H., 2012. Effect of trap color and orientation on the capture of Aphelinus mali (Haldeman) (Hymenoptera: Aphelinidae), a parasitoid of woolly apple aphid (Hemiptera: Aphididae). Journal of Economic Entomology 105, 1342-1349. (view pdf)

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. (view pdf)

Haviland, D., Beers, E.H., 2012. Chemical control programs for Drosophila suzukii that comply with International limitations on pesticide residues for exported sweet cherries. Journal of Integrated Pest Management 3. (view pdf)

Lee, J.C., Burrack, H.J., Barrantes, L.D., Beers, E.H., Dreves, A.J., Hamby, K., Haviland, D.R., Isaacs, R., Richardson, T., Shearer, P.W., Stanley, C.A., Walsh, D.B., Walton, V.M., Zalom, F.G., Bruck, D.J., 2012. Evaluation of monitoring traps for Drosophila suzukii (Diptera: Drosophilidae) in North America. Journal of Economic Entomology 105, 1350-1357. (view pdf)

Beers, E.H., Van Steenwyk, R.A., Shearer, P.W., Coates, B., Grant, J.A., 2011. Developing Drosophila suzukii management programs for sweet cherry. Pest Management Science 67, 1386–1395. (view pdf)

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. (view pdf)

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. (view pdf)

Beers, E. H., L. Martinez-Rocha, R. R. Talley, and J. E. Dunley. 2009. Lethal, sublethal and behavioral effects of sulfur-containing products in bioassays of three species of orchard mites, Journal of Economic Entomology. 102(1) 324-335. (view pdf)

Martinez-Rocha, L., E. H. Beers, and J. E. Dunley. 2008. Effect of pesticides on integrated mite management in Washington State. J. Entomol. Soc. B. C. 105: 97-107. (view pdf)

Cockfield, S. D. and E. H. Beers.  2008.  Management of dandelion to supplement control of western flower thrips (Thysanoptera: Thripidae) in apple orchards. J. Entomol. Soc. B. C. 105: 89-96. (view pdf)

Cockfield, S. D., E. H. Beers, D. R. Horton, and E. Miliczky. 2007. Timing of oviposition of thrips (Thysanoptera: Thripidae) in apple fruit. J. Entomol. Soc. B. C. 104: 45-53. (view pdf)

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. J. Entomol. Soc. B. C. 104: 35-44. (view pdf)

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. B. C. 104: 25-33. (view pdf)

Dunley, J. E., J. F. Brunner, M. D. Doerr, and E. H. Beers. 2006. Resistance and cross-resistance in populations of the obliquebanded leafroller, Choristoneura rosaceana, and Pandemis pyrusana in Washington apples. Journal of Insect Science. 6:14: 7 pp. (view pdf)

Fernandez, D. E., E. H. Beers, J. F. Brunner, M. Doerr, and J. E. Dunley. 2006. Horticultural mineral oil applications for apple powdery mildew and codling moth, Cydia pomonella (L.). Crop Prot. 25: 585-591. (view pdf)

Lowery, D. T., M. J. Smirle, R. G. Foottit, and E. H. Beers. 2006. Susceptibilities of apple aphid and spirea aphid collected from apple in the Pacific Northwest to selected insecticides. Journal of Economic Entomology. 99: 1369-1374. (view pdf)

Beers, E. H., J. F. Brunner, J. E. Dunley, M. Doerr, and K. Granger. 2005. Role of neonicotinyl insecticides in Washington apple integrated pest management.  Part II.  Nontarget effects on integrated mite control. Journal of Insect Science. 5: 16. (view pdf)

Brunner, J. F., E. H. Beers, J. E. Dunley, M. Doerr, and K. Granger. 2005. Role of neonicotinyl insecticides in Washington apple integrated pest management.  Part I.  Control of lepidopteran pests. Journal of Insect Science. 5: 14. (view pdf)

Fernandez, D. E., E. H. Beers, J. F. Brunner, M. Doerr, and J. E. Dunley. 2005. Effects of seasonal mineral oil applications on the pest and natural enemy complexes of apple. Journal of Economic Entomology. 98: 1630-1640. (view pdf)

Lowery, D. T., M. J. Smirle, R. G. Foottit, C. L. Zurowski, and E. H. Beers Peryea. 2005. Baseline susceptibilites to imidacloprid for green apple aphid and spirea aphid (Homoptera: Aphididae) collected from apple in the Pacific Northwest. Journal of Economic Entomology. 98: 188-194. (view pdf)

Beers, E. H., and V. P. Jones. 2004. Fixed precision sampling plans for white apple leafhopper, Typhlocyba pomaria McAtee (Homoptera: Cicadellidae) on apple. Journal of Economic Entomology. 97: 1752-1755. (view pdf)

Brunner, J. F., J. E. Dunley, M. Doerr, and E. H. Beers. 2001. Effect of pesticides on Colpoclypeus florus (Hymenoptera: Eulophidae) and Trichogramma platneri (Hymenoptera: Trichogrammatidae), parasitoids of leafrollers in Washington. Journal of Economic Entomology. 94: 1075-1084. (view pdf)

Fernandez, D. E., E. H. Beers, J. F. Brunner, M. Doerr, and J. E. Dunley. 2001. Mineral oil inhibition of white apple leafhopper (Homoptera: Cicadellidae) oviposition. J. Entomol. Sci. 36: 237-243. (view pdf)

Reding, M. E., E. H. Beers, J. F. Brunner, and J. E. Dunley. 2001. Influence of timing and prey availability on fruit damage to apple by Campylomma verbasci (Hemiptera: Miridae). Journal of Economic Entomology. 94: 33-38. (view pdf)

Beers, E. H., and J. F. Brunner. 1999. Effects of low rates of esfenvalerate on pest and beneficial species of apple in comparison with a standard program. J. Tree Fruit Prod. 2: 33-48. (view pdf)

Beers, E. H., H. Riedl, and J. E. Dunley. 1998. Resistance to abamectin and reversion to susceptibility to fenbutatin oxide in spider mite (Acari: Tetranychidae) populations in the Pacific Northwest. Journal of Economic Entomology. 91: 352-360. (view pdf)

Beers, E. H., A. Andersen, and R. D. Brown. 1997. Absorption and translaminar activity of abamectin in apple and pear foliage as determined by spider mite (Acari: Tetranychidae) mortality. Journal of Economic Entomology. 90: 566-573. (view pdf)

Beers, E. H., A. Andersen, and R. D. Brown. 1996. Effect of leaf age on length of residual activity of abamectin in pome fruit foliage. Journal of Economic Entomology. 89: 488-492. (view pdf)

Beers, E. H., E. A. Elsner, and S. R. Drake. 1995. White apple leafhopper (Homoptera: Cicadellidae) effect on fruit size, quality, and return bloom of apple. Journal of Economic Entomology. 88: 973-978. (view pdf)

Beers, E. H., and L. A. Hull. 1995. Dry matter partitioning of nonbearing apple trees following injury by European red mite (Acari: Tetranychidae). Journal of Economic Entomology. 88: 998-1003. (view pdf)

Knight, A. L., E. H. Beers, and E. A. Elsner. 1991. Modeling postdiapause egg and nymphal development of the white apple leafhopper (Homoptera: Cicadellae). Environ. Entomol. 20: 1659-1664. (view pdf)

Beers, E. H., S. C. Hoyt, and E. C. Burts. 1990. Effect of tree fruit species on residual activity of avermectin B1 to Tetranychus urticae and Panonychus ulmi. Journal of Economic Entomology. 83: 961-964. (view pdf)

Beers, E. H., and L. A. Hull. 1990. Timing of mite injury affects the bloom and fruit development of apple. Journal of Economic Entomology. 83: 547-551. (view pdf)

Beers, E. H., L. A. Hull, and G. M. Greene. 1990. Effect of a foliar urea application and mite injury on yield and fruit quality of apple. Journal of Economic Entomology. 83: 552-556. (view pdf)

Hull, L. A., and E. H. Beers. 1990. Validation of injury thresholds for European red mite (Acari: Tetranychidae) on 'Yorking' and 'Delicious' apple. Journal of Economic Entomology. 83: 2026-2031. (view pdf)

Knight, A. L., E. H. Beers, S. C. Hoyt, and H. Riedl. 1990. Acaricide bioassays with spider mites (Acari: Tetranychidae) on pome fruits: evaluation of methods and selection of discriminating concentrations for resistance monitoring. Journal of Economic Entomology. 83: 1752-1760. (view pdf)

Rathman, R. J., E. H. Beers, J. L. Flexner, H. Riedl, S. C. Hoyt, P. H. Westigard, and A. L. Knight. 1990. Baseline bioassays with hexythiazox and clofentezine of three mite species (Acari: Tetranychidae) occurring on Washington and Oregon tree fruits. Journal of Economic Entomology. 83: 1711-1714. (view pdf)

Beers, E. H., and L. A. Hull. 1987. Effect of European red mite (Acari: Tetranychidae) injury on vegetative growth and flowering of four cultivars of apples. Environ. Entomol. 16: 569-574. (view pdf)

Beers, E. H., L. A. Hull, and J. W. Grimm. 1987. Relationships between leaf: fruit ratio and varying levels of European red mite stress on fruit size and return bloom of apple. J. Amer. Soc. Hortic. Sci. 112: 608-612. (view pdf)

Hull, L. A., E. H. Beers, and R. L. J. Meagher. 1985. Impact of selective use of the synthetic pyrethroid fenvalerate on apple pests and natural enemies in large-orchard trials. Journal of Economic Entomology. 78: 163-168. (view pdf)

Hull, L. A., E. H. Beers, and R. L. J. Meagher. 1985. Integration of biological and chemical control tactics for apple pests through selective timing and choice of synthetic pyrethroid insecticides. Journal of Economic Entomology. 78: 714-721. (view pdf)

Beers, E. H., L. A. Hull, and G. M. I. Greene. 1984. The effect of European red mite injury to apple foliage on preharvest fruit drop and efficacy of 2, 4, 5-TP. HortScience. 19: 558-560. (view pdf)

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