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Click on the articles below to open a PDF document or email Dr. Isaacs to request a reprint


Lee, J.C., Wang, X., Daane, K.M., Hoelmer, K.M., Isaacs, R. Sial, A.A. and Walton, V.M. (2019). Biological control of spotted-wing drosophila – current and pending tactics. Journal of integrated Pest Management 10: 1-9. doi: 10.1093/jipm/pmz012

Sial, A., Roubos, C., Gautam, B., Fanning, P., VanTimmeren, S., Spies, J., Petran, A., Rogers, M., Liburd, O., Isaacs, R., Curry, S., Little, B., and (2019) Evaluation of organic insecticides for management of spottedwing drosophila (Drosophila suzukii) in berry crops. Journal of Applied Entomology, doi: 10.1111/jen.12629

Roubos, C., Gautam B., Fanning, P., VanTimmeren S., Spies, J., Liburd, O., Isaacs, R., Curry, S., Little, B., and Sial A. (2019) Evaluation of adjuvants to improve control of spotted‐wing drosophila in organic fruit production. Journal of Applied Entomology, doi: 10.1111/jen.12638

Wood, T. J., Gibbs, J., Graham, K. K. and Isaacs (2019) Narrow pollen diets are
associated with declining Midwestern bumble bee species. Ecology, doi: 10.1002/ecy.2697

Roubos, C., Gautam B., Fanning, P., VanTimmeren S., Spies, J., Liburd, O., Isaacs, R., Curry, S., Little, B., and Sial A. (2019) Impact of phagostimulants on effectiveness of OMRI‐listed insecticides used for control of spotted‐wing drosophila (Drosophila suzukii Matsumura). Journal of Applied Entomology, doi: 10.1111/jen.12620

Rodriguez-Saona, C.R., Charles, V., and Isaacs, R. (2019) Blueberry IPM: past successus and future challenges. Annual Review of Entomology 64:95-114

Stockton, D., Wallingford, A., Rendon, D., Fanning, P., Green, C.K., Diepenbrock, L., Ballman E., Walton, V.M., Isaacs, R., Leach H., Sial, A.A., Drommond, F., Burrack H., and Loeb, G.M. (2019) Interactions Between Biotic and Abiotic Factors Affect Survival in Overwintering Drosophila suzukii (Diptera: Drosophilidae). Enviromental Entomology, doi: 10.1093/ee/nvy192

Van Timmeren, S., Sial, A.A., Lanka, S.K., Spaulding, N.R., and Isaacs, R. (2019) Development of a rapid assessment method for detecting insecticide resistance in spotted wing Drosophila (Drosophila suzukii Matsumura). Pest Management Science, doi: 10.1002/ps.5341


Spiesman, B.J., Bennette, A., Gratton, C., and Isaacs, R. (2018) Harvesting effects on wild bee communities in bioenergy grasslands depend on nesting guild. Ecological Applications. doi: 10.1002/eap.1828

Leach, H., Hagler, J. R., Machtley, S. A., and Isaacs, R. (2018) Spotted wing drosophila (Drosophila suzukii) utilization and dispersal from the wild host Asian bush honeysuckle (Lonicera spp.). Agriculture and Forest Entomology. doi: 10.1111/afe.12315

Breland, S., N. E. Turley, J. Gibbs, R. Isaacs, and L. A. Brudvig. (2018) Restoration increases bee abundance andrichness but not pollination in remnant and post-agricultural woodlands. Ecosphere 9(9):e02435. 10.1002/ecs2.2435

Van Timmeren, S., Mota-Sanchez, D., Wise, J. C. and Isaacs, R. (2018) Baseline susceptibility of spotted wing Drosophila (Drosophila suzukii) to four key insecticide classes. Pest Management Science, 74: 78-87.

Wood T., Gibbs J., Rothwell N., Wilson J., Gut L., Brokaw J., and Isaacs R (2018) Limited phenological and dietary overlap between bee communities in spring flowering crops and herbaceous enhancements. Ecological Applications. doi: 10.5061/dryad.hj6f109

Rowe, L., Gibson, D., Landis, D., Gibbs, J., & Isaacs, R. (2018) A Comparison of Drought-Tolerant Prairie Plants to Support Managed and Wild Bees in Conservation Programs. Environmental Entomology. doi: 10.1093/ee/nvy091

Fanning P., VanWoerkom A., Wise J., and Isaacs R. (2018) Assessment of a commerical spider venom peptide against spotted-wing Drosophila and interaction with adjuvants. Journal of Pest Science 91:1279-1290

Pinilla-Gallego M., Crum J., Schaetzl R., and Isaacs R. (2018) Soil textures of nest partitions made by the mason bees Osmia lignaria and O. cornifrons (Hymenoptera: Megachilidae). Apidologie. doi: 10.1007/s13592-018-0574-2

Mason K. and Isaacs R. (2018) Juice grape canopy structure and cluster availability do not reduce middle-and late-season captures of male Paralobesia viteana (Lepidoptera: Totricidae) in sex pheromone traps. Environmental Entomology. doi: 10.1093/ee/nvy044

Kirkpatrick D., Leach H., Xu P., Dong K., Isaacs R., and Gut L.J. (2018) Comparative antennal and behavioral responses of summer and winter morph Drosophila suzukii (Diptera: Drosophilidae) to ecologically relevant volatiles. Environmental Entomology. doi: 10.1093/ee/nvy046

Leach H. and Isaacs R. (2018) Seasonal occurrence of key arthropod pests and beneficial insects in Michigan high tunnel and field grown raspberries. Environmental Entomology. doi: 10.1093/ee/nvy030

Rodriguez-Saona, C.R., Polk, D., Oudemans, P.V., Holdcraft, R., Zaman, F.U., Isaacs, R., and Cariveau, D. (2018) Landscape features determine the abundance and distribution of Rhagoletis mendax in blueberries. Agriculture, Ecosystems, and Environment 258, 113-120.

Daane KM, Vincent C, Isaacs R, Ioriatti C. (2018) Entomological opportunities and challenges for sustainable viticulture in a global market. Annual Review of Entomology 63:193-214.


Gibbs J, Ascher J, Rightmyer M, and Isaacs R. (2017) The bees of Michigan (Hymenoptera: Apoidea: Anthophila), with notes on distribution, taxonomy, pollination, and natural history. Zootaxa 4352(1): 001-160.

Fanning P, Grieshop M, Isaacs R. (2017) Efficacy of biopesticides on spotted wing drosophila, Drosophila suzukii Matsumura in fall red raspberries. Journal of Applied Entomology doi: 10.1111/jen.12462

Van Timmeren S, Diepenbrock LM, Bertone MA, Burrack HJ, Isaacs R. (2017) A filter method for improved monitoring of Drosophila suzukii (Diptera: Drosophilidae) larvae in fruit. Journal of Integrated Pest Management doi: 10.1093/jipm/pmx019

Leach H., Wise J.C., Isaacs R. (2017). Reduced ultraviolet light transmission increases insecticide longevity in protected culture raspberry production. Chemosphere doi: 10.1016/j.chemosphere.2017.09.086

Van Timmeren, S., Horejski, L., Larson S., Spink K., Fanning, P., and Isaacs, R. (2017). Diurnal activity of Drosophila suzukii (Diptera: Drosophilidae) in highbush blueberry and behavioral response to irrigation and application of insecticides. Environmental Entomology doi: 10.1093/ee/nvx131

Van Timmeren, S., Mota-Sanchez, D., Wise, J. C. and Isaacs, R. (2017), Baseline susceptibility of spotted wing Drosophila (Drosophila suzukii) to four key insecticide classes. Pest. Manag. Sci.. Accepted Author Manuscript. doi:10.1002/ps.4702

Isaacs R, Williams N, Ellis J, Pitts-Singer TL, Bommarco R, Vaughan M. (2017). Integrated Crop Pollination: combining strategies to ensure stable and sustainable yields of pollination-dependent crops. Basic and Applied Ecology BAAE-51043.

Lichtenberg E.M., Crowder D.W. et al. (2017). A global synthesis of the effects of diversified farming systems on arthropod diversity within fields and across agricultural landscapes. Global Change Biologiy. doi: 10.1111/gcb.13714.

Leach, H., Moses, J., Hanson, E. et al. J Pest Sci (2017). Rapid harvest schedules and fruit removal as non-chemical approaches for managing spotted wing Drosophila. Journal of Pest Science. doi:10.1007/s10340-017-0873-9.

Spiesman BJ, Bennett A, Isaacs R, Gratton C. (2017). Bumble bee colony growth and reproduction depend on local flower dominance and natural habitat area in the surrounding landscape. Biological Conservation. 206:217-23.

Gibbs, J., Neelendra J.K., Wilson J.K., Rothwell N.L., Powers K., Haas M., Gut L., Biddinger D.J., and Isaacs R. (2017). Does passive sampling accurately reflect the bee (Apoidea: Anthophila) communities pollinating apple and sour cherry orcahrds? Environmental Entomology ,doi: 10.1093/ee/nvx069.


Matlock JM, Isaacs R, Grieshop M. (2016). Tillage Reduces Survival of Grape Berry Moth (Lepidoptera: Tortricidae), via Burial Rather Than Mechanical Injury. Environmental Entomology, nvw149.

Mason, K.S., Roubos, C.R., Teixeira, L.A. and Isaacs, R. (2016). Spatially Targeted Applications of Reduced-Risk Insecticides for Economical Control of Grape Berry Moth, Paralobesia viteana (Lepidoptera: Tortricidae). Journal of Economic Entomology109(5), pp.2168-2174.

Leach, H., Van Timmeren, S., & Isaacs, R. (2016). Exclusion Netting Delays and Reduces Drosophila suzukii (Diptera: Drosophilidae) Infestation in Raspberries. Journal of Economic Entomology, tow157.

Gibbs, J., Elle, E., Bobiwash, K., Haapalainen, T., & Isaacs, R. (2016). Contrasting Pollinators and Pollination in Native and Non-Native Regions of Highbush Blueberry Production. PloS one11(7), e0158937.

Pelton, E., C. Gratton, R. Isaacs, S. Van Timmeren, A. Blanton, and C. Guedot. (2016). Earlier activity of Drosophila suzukii in high woodland landscapes but relative abundance is unaffected. Jounral of Pest Science, DOI: 10.1007/s10340-016-0733-z.

Wiman, N.G., Dalton, D.T., Anfora, G., Biondi, A., Chiu, J.C., Daane, K.M., Gerdeman, B., Gottardello, A., Hamby, K.A., Isaacs, R. and Grassi, A.. (2016). Drosophila suzukii population response to environment and management strategies. Journal of Pest Science, pp.1-13.


Asplen, M.A., G. Anfora, A. Biondi, D. Choi, D. Chu, K. Daane, P. Gilbert, A. Gutierrez, K. Hoelmer, W. Hutchinson, R. Isaacs, Z. Jiang, Z. Karpati, M. Kimura, M. Pascual, C. Phillips, C. Plantamp, L. Ponti, G. Vetek, H. Vogt, V. Walton, Y. Yu, L. Zappala, and N. Desneux. (2015). Invasion biology of spotted wing Drosophila (Drosophila suzukii): a global perspective and future priorities. Journal of Pest Science, 88: 469-494. DOI: 10.1007/s10340-015-0681-z

Blaauw, B.R. and Isaacs, R. (2015) Wildflower plantings enhance the abundance of natural enemies in adjacent blueberry fields. Biological Control, 91: 94-103.. doi:10.1016/j.biocontrol.2015.08.003

Burrack, H.J, Asplen, M., Bahder, L., Collins, J., Drummond, F.A., Guedot, C., Isaacs, R., Johnson, D., Blanton, A., Lee, J.C., Loeb, G., Rodriguez-Saona, C., Van Timmeren, S., Walsh. D, and McPhie, D.R., (2015) Multistate comparison of attractants for monitoring Drosophila suzukii (Diptera: Drosophilidae) in blueberries and caneberries. Environmental Entomology, 1-9. DOI: 10.1093/ee/nvv022

Lee, J.C., Dreves, A.J., Cave, A.M., Kawai, S., Isaacs, R., Miller, J.C., Van Timmeren, S., and Bruck, D.J. (2015) Infestation of wild and ornamental noncrop fruits by Drosophila suzukii (Diptera: Drosophilidae). Annals of the Entomological Society of America, 1-13. DOI: 10.1093/aesa/sau014

Williams, N., K. Ward, N. Pope, R. Isaacs, J. Wilson, E. May, J. Ellis, J. Daniels, A. Pence, K. Ullmann, and J. Peters. (2015). Native wildflower planting support wild bee abundance and diversity in agricultural landscapes across the United States. Ecological Applications, 25(8): 2119-2131.

Koh, I., Lonsdorf, E. V., Williams, N.M., Brittain, C., Isaacs. R., Gibbs, J. and Ricketts, T. (2015) Modeling the status, trends, and impacts of wild bee abundance in the United States. Proceedings of the National Academy of Science 113, 140-145.

Hahn, N.G. and Isaacs, R. (2015) Assessing the economic importance of Dasineura oxycoccana (Diptera: Cecidomyiidae) in Northern highbush blueberries. Journal of Economic Entomology. http://dx.doi.org/10.1093/jee/tov130.

Kleijn, D., Winfree, R., Carvalheiro, L.G., Henry, M., Isaacs, R., Klein, A.-M., Kremen, C., Rader, R., Ricketts, T., Williams, N.M., Adamson, N.L., Ascher, J.S., Báldi, A., Batáry, P., Benjamin, F., Biesmeijer, J.C., Blitzer, E.J., Bommarco, R., Brand, M.R., Bretagnolle, V., Button, L., Cariveau, D.P., Chifflet, R., Colville, J.F., Danforth, B.N., Elle, E., Garratt, M.P.D., Herzog, F., Holzschuh, A., Howlett, B.G., Jauker, F., Jha, S., Knop, E., Krewenka, K.M., Le Féon, V., Mandelik, Y., May, E.A., M'Gonigle, L.K., Park, M.G., Pisanty, G., Reemer, M., Riedinger, V., Rollin, O., Rundlöf, M., Sardiñas, H.S., Scheper, J., Sciligo, A.R., Smith, H.G., Steffan-Dewenter, I., Thorp, R., Tscharntke, T., Verhulst, J., Viana, B.F., Vaissière, B., Veldtman, R., Westphal, C., and Potts, S.G. (2015) Delivery of pollination services is an insufficient argument for pollinator conservation. Nature Communications 6, 7414.

Wise, J.C., Vanderpoppen, R., Vandervoort, C., O’Donnell, C. and Isaacs, R. (2015) Curative activity contributes to control of spotted-wing drosophila (Diptera: Drosophilidae) and blueberry maggot (Diptera: Tephritidae) in highbush blueberry. The Canadian Entomologist 147, 109-117.


Bennett, A.B., Meehan, T.D., Gratton, C., and Isaacs, R. (2014). Modeling pollinator community response to contrasting bioenergy scenarios. PLOS One, 9(11). DOI: 10.1371/journal.pone.0110676

Wise, J.C., Vanderpoppen, R., Vandervoort, C., O'Donnell, C., and Isaacs, R. (2014). Curative activity contributes to control of spotted-wing drosophila (Diptera: Drosophilidae) and blueberry maggot (Diptera: Tephritidae) in highbush blueberry. The Canadian Entomologist, 00: 1-9.

Garibaldi, L.A., Carvalheiro, L.G., Leonhardt, S.D., Aizen, M., Blaauw, B., Isaacs, R., Kuhlmann, M., Kleijn, D., Klein, A.M., Kremen, C., Morandin, L., Scheper, J., and Winfree, R. (2014). From research to action: Enhancing crop yield through wild pollinators. Frontiers in Ecology and the Environment, doi:10.1890/130330.

Bennett, A., and Isaacs, R. (2014). Landscape composition influences pollinators and pollination services in perennial biofuels plantings. Agriculture, Ecosystems, and Environment, 193: 1-8.

Blaauw, B., and Isaacs, R. (2014). Flower plantings increase wild bee abundance and the pollination services provided to a pollination-dependent crop. Journal of Applied Ecology, DOI: 10.1111/1365-2664.12257. For appendices to this paper, click here.

Blaauw, B., and Isaacs, R. (2014). Larger patches of diverse floral resources increase insect pollinator density, diversity, and their pollination of native wildflowers. Basic and Applied Ecology 15, 701-711

Roubos, C.R., Rodriguez-Saona, C., and Isaacs, R. (2014). Mitigating the effects of insecticides on arthropod biological control at field and landscape scales. Biological Control, http://dx.doi.org/10.1016/j.biocontrol.2014.01.006.

Van Timmeren, S., and Isaacs, R. (2014). Drosophila suzukii in Michigan vineyards, and the first report of Zaprionus indianus from this region. Journal of Applied Entomology, doi: 10.1111/jen.12113.

Roubos, C.R., Rodriguez-Saona, C., Holdcraft, R., Mason, K.S., and Isaacs, R. (2014). Relative toxicity and residual activity of insecticides used in blueberry pest management: Mortality of natural enemies. Horticultural Entomology, 107(1): 277-285.

Smith, J.J., Powell, T., Teixeira, L., Armstrong, W.O., McClowry, R.J., Isaacs, R., Hood, G.R., Feder, J.L., and Gut, L. (2014). Genetic structure of cherry fruit fly (Rhagoletis cingulata) populations across managed, unmanaged, and natural habitats. Entomologia Experimentalis et Applicata, 150 (2): 157-165.

Medina, R.F., Szendrei, Z., Harrison, K., Isaacs, R., Averill, A., Malo, E.A., and Rodriguez-Saona, C. (2014). Exploring host-associated differentiation in the North American native cranberry fruitworm, Acrobasis vaccinii, from blueberries and cranberries. Entomologia Experimentalis et Applicata, 150 (2): 136-148.

Mutis, A., Palma, R., Parra, L., Isaacs, R., Morón, M., Quiroz, A. (2014) Morphology and distribution of sensilla on the antennae of Hylamorpha elegans Burmeister (Coleoptera: Scarabaeidae, Rutelinae). Neotropical Entomology 43, 26-265.

Werling, B.P., Dickson, T.L., Isaacs, R., Gaines, H., Gratton, C., Gross, K.L., Liere, H., Malmstrom, C.M., Meehan, T.D., Ruan, L., Robertson, B.A., Robertson, G.P., Schmidt, T.M., Teal, T.K., Wilson, J.K., and Landis, D.A. (2014). Perennial grasslands enhance biodiversity and multiple ecosystem services in bioenergy landscapes. PNAS, doi: 10.1073/pnas.1309492111.


Garibaldi, L.A., et al. (2013) Wild pollinators enhance pollination of crops worldwide independent of honey bees. Science, 33 (6127): 1608-1611. doi 10.1126/science.1230200.

Kennedy, C., et al. (2013) A global quantitative synthesis of local and landscape effects on wild bee pollinators in agroecosystems. Ecology Letters, doi: 10.1111/ele.12082.

Van Timmeren, S., and Isaacs, R. (2013). Control of spotted wing drosophila, Drosophila suzukii, by specific insecticides and by conventional and organic crop protection programs. Crop Protection, 54: 126-133.

Lee, J.C., Shearer, P.W., Barrantes, L.D., Beers, E.H., Burrack, H.J., Dalton, D.T., Dreves, A.J., Gut, L.J., Hamby, K.A., Haviland, D.R., Isaacs, R., Nielsen, A.L., Richardson, T., Rodriguez-Saona, C., Stanley, C.A., Walsh, D.B., Walton, V.A., Yee, W.L., Zalom, F.G., and Bruck, D.J. (2013). Trap designs for monitoring Drosophila suzukii (Diptera: Drosophilidae). Environmental Entomology, 42 (6): 1348-1355.

Palma, R., Mutis, A., Isaacs, R., and Quiroz, A. (2013). Type and distribution of sensilla in the antenna of the red clover root borer, Hylastinus obscurus. Journal of Insect Science, 13:133.

Roubos, C.R., Mason, K.S., Teixeira, L.A., and Isaacs, R. (2013). Yield-based economic thresholds for grape berry moth (Lepidoptera: Tortricidae) in juice grapes. Journal of Economic Entomology, 106(2): 905-911.

Shearer, P.W., Beers, E.H., Brown, P., Burrack, H.J., Isaacs, R., Lee, J., Miller, B., Novotny, L., Van Timmeren, S., Van Steenwyk, R., Walton, V., and Wise, C. (2013) Drosophila suzukii in the USA; monitoring and management in berries and cherries. Integrated protection of fruit crops, IOBC-WPRS Bulletin 91, 315-316.


Hulbert, D., Reeb, P., Isaacs, R., Vandervoort, C., Erhardt, S., and Wise, J. C. (2012) Rainfastness of insecticides used to control Japanese beetle in blueberries. Journal of Economic Entomology, 105: 1688-1693.

Lenz, M.S., Isaacs, R., Flore, J. A., and Howell, G.S. (2012) Photosynthetic performance of Pinot gris (Vitis vinifera L.) grapevine leaves in response to potato leafhopper (Empoasca fabae Harris) infestation. American Journal of Enology and Viticulture, 63: 357-366.

Isaacs, R., Mason, K.S., Teixeira, L.A.F., Loeb, G., Hesler, G., Weigle, T., Muza, A., Timer, J., and Saunders, M. (2012). Comparison of three dispenser distribution patterns for pheromone mating disruption of Paralobesia viteana in vineyards. Journal of Economic Entomology, 105: 936-942.

Kirk, A. and Isaacs, R. (2012) Predicting flower phenology and viability of highbush blueberry. HortScience, 47: 1291-1296.

Hahn, N. and Isaacs, R. (2012) Distribution and phenology of Dasineura oxycoccana (Diptera:
Cecidomyiidae) in Michigan blueberries. Environmental Entomology, 41(3): 455-462.

Grieshop, M.J., Werling, B., Buehrer, K., Perrone, J., Isaacs, R., and Landis, D. (2012) Big brother is watching: studying insect predation in the age of digital surveillance. American Entomologist, 58: 172-182.

Lee, J.C., Burrack, H.J., Barrantes, L.D., Beers, E.H., Dreves, Hamby, K., Haviland, D.R., Isaacs, R., Richardson, T., Shearer, P., Stanley, C.A., Walsh, D.B., Walton, V.M., Zalom, F.G., and Bruck, D.J. (2012) Evaluation of monitoring traps for Drosophila suzukii (Diptera: Drosophilidae) in North America. Journal of Economic Entomology, 105, 1107-1476.

Blaauw, B. and Isaacs, R. (2012) Larger wildflower plantings increase natural enemy density, diversity, and biological control of sentinel prey, without increasing herbivore density. Ecological Entomology, DOI: 10.1111/j.1365-2311.2012.01376.x.

Woltz, J.M., Isaacs, R., and Landis, D. (2012) Landscape structure and habitat management differentially influence insect natural enemies in an agricultural landscape. Agriculture, Ecosystems and Environment, 152:40-49.

Rodriguez-Saona, C., Blaauw, B.R., and Isaacs, R. (2012). Manipulation of natural enemies in agroecosystems: Habitat and semiochemicals for sustainable insect pest control. In: Integrated Pest Management and Pest Control - Current and Future Tactics, pp. 89-126.

Gökçe, A., Isaacs, R. and Whalon, M.E.(2012) Dose–response relationships for the antifeedant effects of Humulus lupulus extracts against larvae and adults of the Colorado potato beetle. Pest Management Science; 68: 476-481.

Van Timmeren, S., Wise, J.C., and Isaacs, R. (2012) Soil application of neonicotinoid insecticides for control of insect pests in wine grape vineyards. Pest Management Science. 68: 537-542.


Isaacs, R. (2011) First detection and response to the arrival of Spotted Wing Drosophila in Michigan. Newsletter of the Michigan Entomological Society 56, 10-12.

Manosalva, L., Pardo, F., Perich, F., Mutis, A., Parra, L., Ortega, F., Isaacs, R., Quiroz, A. (2011) Responses of clover root borer to long-chain fatty acids from young red clover (Trifolium pratense) roots. Environmental Entomology, 40: 399-404.

Walton, N. and Isaacs, R. (2011) Evaluation of flowering plant strips for support of beneficial insects in blueberry. Environmental Entomology, 40: 697-705.

Gökçe, A., Isaacs, R. and Whalon, M.E. (2011). Ovicidal, larvicidal and anti-ovipositional activity of Bifora radians and other plant extracts to the grape berry moth Paralobesia viteana (Clemens). Journal of Pest Science, 84: 487-493.

Garibaldi, L.A., Steffan-Dewenter, I, Kremen, C., Morales J.M., Bommarco R., Cunningham S., Carvalheiro L., Chacoff N., Dudenhöffer J.-H., Greenleaf S., Holzschuh A., Isaacs R., Krewenka K., Mandelik Y., Mayfield M., Morandin L., Potts S., Ricketts T., Szentgyörgyi H., Winfree R., Klein A-M. (2011) Stability of pollination services decreases with isolation from natural areas – a global synthesis. Ecology Letters, 14, 1062-1072.

Dalton, D.T., Walton, V.M., Shearer, P.W., Walsh, D.B., Caprile, J. and Isaacs, R. (2011) Laboratory survival of Drosophila suzukii under simulated winter conditions of the Pacific Northwest and seasonal field trapping in five primary regions of small and stone fruit production in the United States. Pest Management Science 67: 1368-1374.

Hulbert, D., Isaacs, R., VanderVoort, C. and Wise, J. (2011) Rainfastness and residual activity of insecticides to control Japanese beetle in grapes. Journal of Economic Entomology 104: 1656-1664.

Teixera, L., Mason, K.S., Van Timmeren, S., and Isaacs, R. (2011) Seasonal pattern of oviposition by the North American grape berry moth (Lepidoptera: Tortricidae). Journal of Applied Entomology 135: 693-699.

Rodriguez-Saona, C., Parra L., Quiroz, A.and Isaacs, R. (2011) Variation in highbush blueberry floral volatile profiles as a function of pollination status, cultivar, time of day and flower part: implications
for flower visitation by bees. Annals of Botany.

Van Timmeren, S., Wise, J.C., VanderVoort, C., and Isaacs, R. (2011) Comparison of foliar and soil formulations of neonicotinoid insecticides for control of potato leafhopper, Empoasca fabae (Homoptera: Cicadellidae), in wine grapes. Pest Management Science 67: 560-567.


Wise, J.C., Jenkins, P., Vander Poppen, R. and Isaacs, R. (2010) Activity of broad spectrum and reduced-risk insecticides on various life stages of cranberry fruitworm (Lepidoptera: Pyralidae) in highbush blueberry. Journal of Economic Entomology 103: 1720-1728.

Teixeira, L.A.F., Mason, K., Mafra-Neto, A., and Isaacs, R. (2010) Mechanically-applied wax matrix (SPLAT-GBM) for mating disruption of grape berry moth (Lepidoptera: Tortricidae). Crop Protection 29: 1514-1520.

Tuell, J.K. and Isaacs, R. (2010) Community and species-specific responses of wild bees to insect pest control programs applied to a pollinator-dependent crop. Journal of Economic Entomology 103: 668-675.

Isaacs, R. and Kirk, A.K. (2010) Pollination services provided to small and large highbush blueberry fields by wild and managed bees. Journal of Applied Ecology 47: 841-849. [contact me for a copy]

Tuell, J.K. and Isaacs, R. (2010) Weather during bloom affects pollination and yield of highbush blueberry. Journal of Economic Entomology 103: 557-562.

Wise J., Jenkins, P., Schilder, A. M. C., Vandervoort, C., Isaacs, R. (2010) Sprayer type and water volume influence pesticide deposition and control of insect pests and diseases in juice grapes. Crop Protection 29:378-385. [contact me for a copy]

Gardiner, M.A., Tuell, J.K., Isaacs, R., Gibbs, J., Ascher, J.S., Landis, D.A. (2010) Implications of three model biofuel crops for beneficial arthropods in agricultural landscapes. BioEnergy Research
(2010) 3:6-9.


Teixeira, L.A.F., Gut, Larry J., Isaacs, R. and Diane G. Alston (2009) Reproductive maturity of cherry fruit Fly (Diptera: Tephritidae) in managed and natural habitats. Journal of Environmental Entomology. 38(4): 955-961.

Teixeira, L.A.F., Wise, John C.Gut, Larry J. and Isaacs R. (2009) Paraffin wax emulsion for increased rainfastness of insecticidal bait to control Rhagoletis pomonella (Diptera: Tephritidae). Journal of Economic Entomology. 102(3): 1108-1115.

Lentz, M. S., Isaacs, R., Flore, J. A., and Howell, G. S. (2009) Vegetative growth responses of pinot gris (Vitis vinifera L.) grapevines to infestation by potato leafhoppers (Empoasca fabae Harris). American Journal of Enology and Viticulture. 60(2): 130-137.

Teixeira, L.A.F., Mason, K.S., and Isaacs, R. (2009) Control of grape berry moth (Lepidoptera: Tortricidae) in relation to oviposition phenology. Journal of Economic Entomology. 102(2): 692-698.

Van Timmeren, S. and Isaacs, R. (2009) Susceptibility of highbush blueberry cultivars to cranberry fruitworm and Japanese beetle. International Journal of Fruit Science. 9(1): 23-34.

Isaacs, R. and Van Timmeren, S. (2009) Monitoring and temperature-based prediction of the whitemarked tussock moth (Lepidoptera: Lymantriidae) in blueberry. Journal of Economic Entomology 102(2): 637-645.

Dorschner, K,. J. DeFrancesco, R. Issacs, J. Wise and D. Trinka. (2009) The IR-4 Program: Helping the US blueberry industry control high-priority insect, diseases and weed pests. Acta Horticulturae 810: 293-297.

Isaacs, R., Wise, J.C., and Garcia-Salazar, C. (2009) Developing integrated fruitworm control strategies for blueberry in preparation for pesticide restrictions. Acta Horticulturae 810: 259-264.

Tuell, J.K. and Isaacs, R. (2009) Elevated pan traps for monitoring bees in crop canopies. Entomologia Experimentalis et Applicata 131: 93-98.

Tuell, J.K., Ascher, J.S., and Isaacs, R. (2009) Wild bees (Hymenoptera: Apoidea: Anthophila) of the Michigan highbush blueberry agroecosystem. Annals of the Entomological Society of America 102(2): 275-287. 

Teixeira, L.A.F., Gut, L.J., Wise, J.C., and Isaacs, R. (2009) Lethal and sublethal effects of chlorantraniliprole on three species of Rhagoletis fruit flies (Diptera: Tephritidae). Pest Management Science 65: 137-143.

Isaacs, R., Tuell, J., Fiedler, A., Gardiner, M., and Landis, D. (2009) Maximizing arthropod-mediated ecosystem services in agricultural landscapes: the role of native plants. Frontiers in Ecology and the Environment 7, doi:10.1890/080035.


Jenkins, P.E. and Isaacs, R. (2008) Mating disruption of Paralobesia viteana (Lepidoptera: Tortricidae) in vineyards using pheromone deployed in SPLAT-GBM™ wax droplets. Journal of Chemical Ecology 34: 1089-1095.

Tuell, J.T., Fiedler, A.K, Landis, D. and Isaacs, R. (2008) Visitation by wild and managed bees (Hymenoptera: Apoidea) to eastern U.S. native plants for use in conservation programs. Environmental Entomology 37: 707-718.


Isaacs, R. and Woodford, T.A. (2007) IPM Case Studies: Berry Crops. In: Aphids as Crop Pests. Eds: H.F. Van Emden and R. Harrington. CABI Publishing. Wallingford. pp. 561-572.

Wise, J.C., Vandervoort, C. and Isaacs, R. (2007) Lethal and sublethal activities of imidacloprid contribute to control of adult Japanese beetle in blueberries. Journal of Economic Entomology 100: 1596-1603.

Jenkins, P.E., and Isaacs, R. (2007) Reduced-risk insecticides for control of grape berry moth (Lepidoptera: Tortricidae) and conservation of natural enemies. Journal of Economic Entomology 100: 855-865.

Jenkins, P.E., and Isaacs, R. (2007) Cutting wild grapevines as a cultural control strategy for grape berry moth (Lepidoptera: Tortricidae). Environmental Entomology 36: 187-194.


Isaacs, R., Mason, K., Brewer, M., Noma T. O'Neal, M. (2006) Does implementation of a reduced-risk blueberry insect control program enhance biological control? IOBC/wprs Bulletin 29(10): 7-11.

Gökçe, A., Stelinski, L. L., Isaacs, R. and Whalon, M.E. (2006) Behavioral and electrophysiological responses of grape berry moth (Lepidoptera: Tortricidae) to selected plant extracts. Journal of Applied Entomology 130: 509-514.

Szendrei, Z. and Isaacs, R. (2006) Ground covers influence the abundance and behaviour of Japanese beetle in blueberry fields. Environmental Entomology 35: 789-796.

Pelz-Stelinski, K.S., Gut, L.J. and Isaacs, R. (2006) Vertical positioning of traps influence captures of eastern cherry fruit fly (Diptera: Tephritidae). Florida Entomologist 89: 80-82.

Pelz-Stelinski, K.S., Gut, L.J. and Isaacs, R. (2006) Behavioral responses of Rhagoletis cigulata  (Diptera: Tephritidae) to GF-120 insecticidal bait enhanced with ammonium acetate. Journal of Economic Entomology 99: 1316-1320.

Szendrei, Z. and Isaacs, R. (2006) Survey of Japanese beetle management practices in Michigan blueberry. HortTech 16: 82-88.


Szendrei, Z. and Isaacs, R. (2005) Do plant cues influence the oviposition behavior of Japanese beetles? Entomologia Experimentalis et Applicata 117: 165-174.

Pelz-Stelinski, K.S., Gut, L.J., Stelinski, L.L., Liburd, O.E., and Isaacs, R. (2005) Captures of Rhagoletis mendax and R. cingulata (Diptera: Tephritidae) on sticky traps are influenced by adjacent host fruit and fruit juice concentrates. Environmental Entomology 34: 1013-1018.

Hanson, E., Berkheimer, S., Schilder, A., Isaacs, R., and Kravchenko, S. (2005) Raspberry variety performance in southern Michigan. HortTechnology 15(3): 716-721.

Szendrei, Z., Mallampalli, N. and Isaacs, R. (2005). Effect of tillage on abundance of Japanese beetle, Popillia japonica Newman (Col., Scarabaeidae), larvae and adults in highbush blueberry fields. Journal of Applied Entomology 129: 258-264.

O'Neal, M.E., Mason, K.S., and Isaacs, R. (2005) Seasonal abundance of ground beetles in highbush blueberry (Vaccinium corymbosum) fields and response to a reduced-risk insecticide program. Environmental Entomology

Isaacs, R., Mason, K.S., Maxwell, E. (2005) Stage-specific control of grape berry moth, Endopiza viteana (Clemens) (Lepidoptera: Tortricidae), by selective and broad-spectrum insecticides. Journal of Economic Entomology 98: 415-422.

Pelz, K.S., Isaacs, R., Wise, J.C., and Gut, L.J. (2005) Protection of fruit against infestation by apple maggot and blueberry maggot flies (Diptera: Tephritidae) using compounds containing spinosad. Journal of Economic Entomology 98, 432-437.

Eisthen, H.L. and Isaacs, R. (2005). Integrative biology: sea hares saved by a delicious distraction. Current Biology 15: 194-196.

O'Neal, M.E., Zontek, E.L., Szendrei, Z., Landis, D.A., and Isaacs, R. (2005) Ground predator abundance affects prey removal in highbush blueberry (Vaccinium corymbosum) fields and can be altered by aisle ground covers. Biocontrol 50: 205-222.


Botero-Garces and Isaacs, R. (2004) Movement by the grape berry moth, Endopiza viteana: displacement distance and direction. Physiological Entomology 29: 443-452.

Isaacs, R., Mercader, R.J., and Wise, J.C. (2004) Activity of conventional and reduced-risk insecticides for protection of grapevines against the rose chafer, Macrodactylus subspinosus (Coleoptera: Scarabaeidae). Journal of Applied Entomology 128: 371-376.

Botero-Garces, N. and Isaacs, R. (2004) Influence of uncultivated habitats and natural host plants on cluster infestation by grape berry moth, Endopiza viteana Clemens (Lepidoptera: Tortricidae) in Michigan vineyards. Environmental Entomology 33: 310-319.

Mercader, R.J. and Isaacs, R. (2004) Phenophase-dependent growth responses to foliar injury in Vitis labrusca (Linnaeus) var. ‘Niagara’ during vineyard establishment. American Journal of Enology and Viticulture 55: 1-6.

Isaacs, R., O'Neal, M.E., Szendrei, Z., and Tuell, J. (2004) Potential of ground covers for manipulating pest, predator, and pollinator populations in highbush blueberry. IOBC/wprs Bulletin 27: 17-24.

Isaacs, R., Szendrei, Z., and Wise, J.C. (2004) Evaluation of new approaches for management of Japanese beetles in highbush blueberries. Small Fruits Review 3: 349-360.

Isaacs, R., Morrone, V., and Gajek, D. (2004) Potential acaricides for management of blueberry bud mite (Acalitus vaccinii) in Michigan blueberries. HortTechnology 14: 188-191.

Hagler, J.R., Jackson, C.G., Isaacs, R., and Machtley, S.A. (2004) Foraging behavior and prey interactions by a guild of predators on various lifestages of Bemisia tabaci. Journal of Insect Science 4: 1-13.


Mercader, R.J. and Isaacs, R. (2003) Damage potential of rose chafer and Japanese beetle (Coleoptera: Scarabaeidae) in Michigan vineyards. The Great Lakes Entomologist 36: 166-178.

Mercader, R.J. and Isaacs, R. (2003) Phenology-dependent effects of foliar damage on the growth and photosynthetic capacity of nonbearing Vitis labrusca (Linnaeus) var. Niagara. American Journal of Enology and Viticulture 54: 252-260.

Botero-Garces, N. and Isaacs, R. (2003) Distribution of grape berry moth, Endopiza viteana (Lepidoptera: Tortricidae) in natural and cultivated habitats. Environmental Entomology 32: 1187-1195.


O’ Neal, M.E., Isaacs, R., and Landis, D.L. (2002) An inexpensive, accurate method for measuring leaf area and defoliation through digital image analysis. Journal of Economic Entomology 95: 1190-1194.

Isaacs, R and Gajek, D. (2002) Abundance of blueberry bud mite (Acalitus vaccinii) in Michigan blueberries, and variation in infestation among common highbush blueberry varieties. IOBC/wprs Bulletin 26(2): 127-132.

Mallampalli, N. and Isaacs, R. (2002) Distribution of egg and larval populations of cranberry fruitworm (Lepidoptera: Pyralidae) and cherry fruitworm (Lepidoptera: Tortricidae) in highbush blueberries. Environmental Entomology 31: 852-858.


Isaacs, R., Ulczynski, M., Wright, B., Gut, L.J., and Miller, J.R. (1999) Performance of the Microsprayer, with application for pheromone-mediated control of insect pests. Journal of Economic Entomology 92: 1157-1164.


Technical reports

Our lab's published technical reports of insecticide and acaricide trials are available through the website of Arthropod Management Tests. Reports from each year can be searched by crop, pest, author, etc.
Selected Extension Publications
for more Extension information, go to www.grapes.msu.edu and www.blueberries.msu.eduBulletins can also be purchased from the MSU Extension bookstore.

Isaacs, R., Schilder, T., and Miles, T. (2009) Blueberry aphid and shoestring virus. Michigan Blueberry Facts Publication. Extension Bulletin E-3050. Michigan State University Extension.

Wise, J. C., Gut, L. J., Isaacs, R., Schilder, A.M.C., Sundin, G.W., Zandstra, B., Hanson, E., and Shane, B. (2009). Fruit Pest Management Guide 2010. Extension Bulletin E-154. Michigan State University Extension. Updated annually.

Isaacs, R. and Tuell, J. (2007) Conserving Native Bees on Farmland. Michigan State University Extension Bulletin E-2985. 4 pp.

Schilder, A., Isaacs, R., Hanson, E. and Cline, B. (2004) A pocket guide to IPM scouting in highbush blueberries. Michigan State University Extension Bulletin E-2928. 127 pp.

Isaacs, R., Szendrei, Z. and Wise, J. (2003) Japanese beetle. Michigan State University Extension Blueberry Facts Bulletin E-2845. 4 pp.

Isaacs, R., Schilder, A., Zabadal, T., and Weigle, T. (2003) A pocket guide for grape IPM scouting in the North Central and Eastern US. Michigan State University Extension Bulletin E-2889. 110 pp.

Landis, J.N., Sanches, J.E., Bird, G.W., Edson, C.E., Isaacs, R., Lehnert, R.H., Schilder, A.M.C., and Swinton, S.M. (eds.) (2002) Fruit Crop Ecology and Management. Extension Bulletin E-2759. Michigan State University. 102 pp.