08/06/2012

Gassmann, A. J., Petzold-Maxwell, J. L., Keweshan, R. S., and Dunbar, M. W. (2011). Field-evolved resistance to Bt maize by western corn rootworm. PLoS ONE 6(7): e22629. doi:10.1371/journal.pone.0022629

Murphy, A. F., Seiter, N. J., & Krupke, C. H. (2011). The impact of Bt maize as a natal host on adult head capsule width in field populations of western corn rootworm.. Entomologia Experimentalis et Applicata, 139.

Onstad, D.W., P.D. Mitchell, T.M. Hurley, J.G. Lundgren, R. P. Porter, C.H. Krupke, J.L. Spencer, C.D. DiFonzo, T.S. Baute, R.L. Hellmich, L. Buschman, W.D. Hutchison, J.F. Tooker. (2011). Seeds of Change: Corn Seed Mixtures for Resistance Management and IPM. Journal of Economic Entomology, 104(2):343-352.

Raghu, S., J.L. Spencer, A.S. Davis, and R.N. Wiedenmann. (2011). Ecological considerations for the sustainable development of terrestrial biofuel crops. Current Opinion in Environmental Sustainability, 3:15-23.

Hibbard, B.E., D.L. Frank, R. Kurtz, E. Boudreau, M.R. Ellersieck, and J.F. Odhiambo. (2011). Mortality impact of Bt transgenic maize roots expressing eCry3.1Ab, mCry3A, and eCry3.1Ab+mCry3A on western corn rootworm in the field. J. Econ. Entomol. 104: 1584-1591.

Meihls, L.N., M.L. Higdon, M. Ellersieck, and B.E. Hibbard. (2011). Selection for resistance to mCry3A-expressing transgenic corn in western corn rootworm. J. Econ. Entomol. 104:1045-1054.

Bernklau, E.J., L.B. Bjostad, and B.E. Hibbard. (2011). Synthetic feeding stimulants enhance insecticide activity against western corn rootworm larvae, Diabrotica virgifera virgifera (Coleoptera: Chrysomelidae). J. Appl. Entomol. 135: 47-54.

08/16/2012

12/04/2012

None to report for this period (special interim meeting)

04/08/2013

Representative Publications:

Chen, H., H. Wang, and B.D. Siegfried. 2012. Genetic differentiation of western corn rootworm populations (Coleoptera: Chrysomelidae) with resistance to insecticides. Ann. Entomol. Soc. Am. 105: 232-240.

Clark, T, L., D. L. Frank, B.W. French, L. J. Meinke, D. Moellenbeck, T. T. Vaughn, and B. E. Hibbard. 2012. Mortality impact of MON863 transgenic maize roots on western corn rootworm larvae in the field. J. Appl. Entomol. 136: 721-729.

Coates, B.S., A. Alves, H. Wang, K. Walden, B. W. French, N.J. Miller, C.A. Abel, H.M. Robertson, T.W. Sappington, and B.D. Siegfried. 2012. Distributions of genes and repetitive elements in Diabrotica virgifera virgifera: prelude to assembling a large, repetitive genome. J. Biomed. Biotechnol. doi:10.1155/2012/604076.

Cullen, E.M. and K.M. Holm. 2013. Aligning insect IPM programs with a cropping systems perspective: Cover crops and cultural pest control in Wisconsin organic corn and soybean. Agroecology and Sustainable Food Systems 37: 550-577.

Curzi, M. J., J.A. Zavala, J.L. Spencer M.J. Seufferheld. 2012. Abnormally high digestive enzyme activity and gene expression explain the contemporary evolution of a Diabrotica biotype able to feed on soybeans. Ecology and Evolution, 2(8) 2005-2017.

Devos, Y., L.N. Meihls, J. Kiss, and B.E. Hibbard. 2013. Resistance evolution to the first generation of genetically modified Diabrotica-active Bt-maize events by western corn rootworm: management and monitoring considerations. Transgenic Research 22: 269-299.

DeVries, T. & R. Wright. 2012. Rootworm traited and refuge corn hybrids in combination with soil insecticides for larval corn rootworm control, 2011. Arthropod Management Tests 37: F13.

Dunbar, M. W. and Gassmann, A. J. In Press. Abundance and distribution of western and northern corn rootworm (Diabrotica spp.) and prevalence of rotation resistance in eastern Iowa. Journal of Economic Entomology.

Dunbar, M. W. and Gassmann, A. J. 2012. Effect of soybean varieties on western corn rootworm survival and fecundity. Journal of Economic Entomology 105:625-631.

Gassmann, A. J. and Hutchison, W. D. 2012. Bt crops and insect pests: past successes, future challenges and opportunities. GM Crops and Food 3:139.

Gassmann, A. J., Petzold-Maxwell, J. L., Keweshan, R. S., Dunbar, M. W. 2012. Western corn rootworm and Bt maize: challenges of pest resistance in the field. GM Crops and Food 3:235-244.

Gassmann, A. J. 2012. Field-evolved resistance to Bt maize by western corn rootworm: predictions from the laboratory and effects in the field. Journal of Invertebrate Pathology 110:287-293.

Gassmann, A. J., Hannon, E. R., Sisterson, M. S. Stock, S. P., Carrière, Y., and Tabashnik, B. E. 2012. Effects of entomopathogenic nematodes on the evolution of pink bollworm resistance to Bt toxin Cry1Ac. Journal of Economic Entomology 105:994-1005.

Gray M.E. 2012. Continuing evolution confirmed of field resistance to Cry3Bb1 in some Illinois fields by western corn rootworm. In: The Bulletin: Pest Management and Crop Development Information for Illinois, Issue No. 20. University of Illinois Extension, Urbana, IL, p. 120. http://bulletin.ipm.illinois.edu/article.php?id=1704.

Holm, K. and E. Cullen. 2012. Insect IPM in Organic Field Crops: Seedcorn Maggot. Publication A3972-01. University of Wisconsin-Extension Cooperative Extension Publishing, Madison, WI. 6pp.
http://learningstore.uwex.edu/Insect-IPM-in-Organic-Field-Crops-Seedcorn-Maggot-P1584.aspx

Marquardt, P., C. Krupke, and W. Johnson. (2012). Competition of transgenic volunteer corn with soybean and the effect on western corn rootworm emergence. Weed Sci. 60(2): 193-198.

Marquardt, P.T., R.M. Terry, C.H. Krupke, and W.G. Johnson. (2012). Competitive effects of volunteer corn on hybrid corn growth and yield. Weed Sci. in press.

Meihls, L.N., M.L. Higdon, M.R. Ellersieck, and B.E. Hibbard. 2012. Greenhouse-selected resistance to Cry3Bb1-producing corn in three western corn rootworm populations. PloS ONE 7:e51055.

Murphy, A.F. and C.H. Krupke. (2011). Mating success and spermatophore composition in the western corn rootworm. Environ. Entomol. 40: 1585-1594.

Petzold-Maxwell, J. L., Cibils-Stewart, X., French, B. W., and Gassmann, A. J. 2012. Adaptation by western corn rootworm (Coleoptera: Chrysomelidae) to Bt maize: inheritance, fitness costs and feeding preference. Journal of Economic Entomology 105:1407-1418.

Petzold-Maxwell, J.L., Jaronski, S.T., Gassmann, A. J. 2012. Tritrophic interactions among Bt maize, an insect pest, and entomopathogens: effects on development and survival of western corn rootworm. Annals of Applied Biology 160:43-55.

Petzold-Maxwell, J. L., Jaronski, S. T., Clifton, E. H., Dunbar, M. W., Jackson, M. A. and Gassmann, A. J. In Press. Interactions among Bt maize, entomopathogens and rootworm species (Coleoptera: Chrysomelidae) in the field: effects on survival, yield and root injury. Journal of Economic Entomology.

Raghu, S., J.L. Spencer, A.S. Davis, and R.N. Wiedenmann. 2011. Ecological considerations for the sustainable development of terrestrial biofuel crops. Current Opinion in Environmental Sustainability, 3:15-23.

Rangasamy, M. and B.D. Siegfried. 2012. Validation of RNA interference in western corn rootworm, Diabrotica virgifera virgifera (Coleoptera: Chrysomelidae) adults. Pest Manag. Sci. 68: 587-591.

Rudeen, M. L. and Gassmann, A. J. In Press. Effects of Cry34/35Ab1 corn on survival and development of western corn rootworm, Diabrotica virgifera virgifera. Pest Management Science.

Spencer, J., D. Onstad, C. Krupke, S. Hughson, Z. Pan, B. Stanley, and L. Flexner. 2013. Isolated females and limited males: evolution of insect resistance in structured landscapes. Entomologia Experimentalis et Applicata, 146:38-49.

Tinsley NA, Estes RE, Gray ME, 2012. Validation of a nested error component model to estimate damage caused by corn rootworm larvae. J. Applied Entomology. DOI: 10.1111/j.1439-0418.2012.01736.x.

Valencia, A., A.P. Alves, and B.D. Siegfried. 2013 Molecular cloning and functional characterization of an endogenous endoglucananse belonging to GHF45 from the western corn rootworm, Diabrotica virgifera virgifera. Gene 513: 260-267.

Wang, H., B.S. Coates, H. Chen, T. Sappington, T. Guillemaud, and B.D. Siegfried. (Submitted). Role of a gamma-aminobutryic acid (GABA) receptor mutation in the evolution and spread of Diabrotica virgifera virgifera resistance to cyclodiene insecticides. Insect Molec. Biol.

Wright, R. J., and L. J. Meinke. 2011. Corn rootworm management update. CropWatch Newletter. 22 September 2011. http://cropwatch.unl.edu/web/cropwatch/archive?articleID=4651826.

Wright, R. J., and L. J. Meinke. 2012. Results from consultant survey on Bt corn rootworm damage. CropWatch Newsletter 3 February 2012. http://cropwatch.unl.edu/web/cropwatch/archive?articleID=4734708.

06/27/2013

07/24/2014

[Cumulative 2010 through Jan meeting 2014]

2010:

Alves, A.P., M. D. Lorenzen, R.W. Beeman, J. E. Foster, and B. D. Siegfried. 2010. RNA interference as a method for target-site screening in the western corn rootworm, Diabrotica virgifera virgifera. J. Insect Science. 2010. 10:162 available online: insectscience.org/10.162.

Bernklau, E. J., B. E. Hibbard, and L. B. Bjostad. 2010. Antixenosis in maize reduces feeding by western corn rootworm larvae (Coleoptera: Chrysomelidae). J. Econ. Entomol. 103: 2052-2060.

Campbell, L. A., and L. J. Meinke. 2010. Fitness of Diabrotica barberi, Diabrotica longicornis, and their hybrids (Coleoptera: Chrysomelidae). Ann. Entomol. Soc. Am. 103: 925-935.

Chen, H., M. Rangasamy, S. Y. Tan, H. Wang, and B. D. Siegfried. 2010. Evaluation of Five Methods for Total DNA Extraction from Western Corn Rootworm Beetles. PLoS ONE 5(8): e11963. doi:10.1371/journal.pone.0011963.

Cullen, E. M. 2010. Extension specialist roles in communities of interest and place: An example
from the agriculture-wildlife interface. J. Extension 48(1) Feature Article 1FEA2.

DiFonzo, C., and E. Cullen. 2010 Handy Bt Trait Table. Michigan State University Field Crops
Entomology Program and University of Wisconsin-Extension.

Dillen, K., P. D. Mitchell, and E. Tollens. 2010. On the competitiveness of Diabrotica virgifera virgifera damage abatement strategies in Hungary: a bio-economic approach. J. Appl. Entomol. 134: 395-408.

Dillen, K., P. D. Mitchell, T. Van Looya, and E. Tollens. 2010. The western corn rootworm, a new threat to European agriculture: opportunities for biotechnology? Pest Manag. Sci. 66: 956–966.

Duan, J. J., J. G. Lundgren, S. E. Naranjo, and M. Marvier. 2010. Extrapolating non-target risk of Bt-crops from laboratory to field. Biology Letters 6: 74-77.

Dun, Z., P. D. Mitchell, and M. Agosti. 2010. Estimating Diabrotica virgifera virgifera damage functions with field trial data: applying an unbalanced nested error component model. J. Appl. Entomol. 134: 409-419.

Elmore, R. W., A. Gassmann, and E. Hodgson. 2010. “Compliance or complacency: Corn producers and Bt refuge.” In Integrated Crop Management News. 6 April 2010.

French, B.W. and L. Hammack. 2010. Reproductive traits of northern corn rootworm (Coleoptera: Chrysomelidae) in relation to female and male body size. Annals of Entomological Society of America. 103: 688-694.

Gassmann, A., and E. Hodgson. 2010. “Refuge in a bag is here: explaining the simplified refuge.” In Integrated Crop Management News. 23 June 2010.

Gassmann, A., and E. Hodgson. 2010. “SmartStax: Multi-trait corn offered by Dow and Monsanto.” In Integrated Crop Management News. 26 October 2010.

Hibbard, B. E., L. N. Meihls, M. R. Ellersieck, and D. W. Onstad. 2010. Density-dependent and density-independent mortality of the western corn rootworm: Impact on dose calculations of rootworm-resistant Bt corn. J. Econ. Entomol. 103: 77-84.

Hibbard, B.E., T. L. Clark, M. R. Ellersieck, L. N. Meihls, A. A. El Khishen, V. Kaster, H. York-Steiner, and R. Kurtz. 2010. Mortality of western corn rootworm larvae on MIR604 transgenic maize roots: Field survivorship has no significant impact on survivorship of F1 progeny on MIR604. J. Econ. Entomol. 103: 2187-2196.

Hodgson, E., and A. Gassmann. 2010. “New corn trait deregulated in U.S.” In Integrated Crop Management News. 10 May 2010.

Hodgson, E., and A. Sisson. 2010. “Predicted corn rootworm hatch 2010.” In Integrated Crop Management News. 28 May 2010.

Knolhoff, L. M., J. J. Glas, J. L. Spencer, and M. R. Berenbaum. 2010. Oviposition Behaviors in Relation to Rotation Resistance in the Western Corn Rootworm. Environ. Entomol. 39: 1922-1928.

Lundgren, J. G., and J. K. Fergen. 2010. The effects of a winter cover crop on Diabrotica virgifera (Coleoptera: Chrysomelidae) populations and beneficial arthropod communities in no-till maize. Environ. Entomol. 39: 1816-1828.

Lundgren, J. G., S. Toepfer, T. Haye, and U. Kuhlmann. 2010. Haemolymph defence of an invasive herbivore: its breadth of effectiveness against predators. J. Appl. Entomol. 134: 439-448.

Murphy, A. F., M. D. Ginzel, and C. H. Krupke. 2010. Evaluating western corn rootworm (Coleoptera: Chrysomelidae) emergence and root damage in a seed mix refuge. J. Econ. Entomol. 103: 147-157.

Onstad, D. W., and L. J. Meinke. 2010. Modeling evolution of Diabrotica virgifera virgifera (Coleoptera:Chrysomelidae) to transgenic corn with two insecticidal traits. J. Econ. Entomol. 103: 849-860.

Sappington, T. W., K. R. Ostlie, C. DiFonzo, B. E. Hibbard, C. H. Krupke, P. Porter, S. Pueppke, E. J. Shields, and J. J. Tollefson. 2010. Conducting public-sector research on commercialized transgenic seed: In search of a paradigm that works. GM Crops 1: 55-58.

Sayed A., B. Wiechman, I. Struewing, M. Smith, B. W. French, C. Nielson, and M. Bagley. 2010. Isolation of transcripts from Diabrotica virgifera virgifera LeConte responsive to the Bacillus thuringiensis toxin Cry3Bb1. Insect Mol. Biol. 19: 381-389.

Seiter, N. J., D. S. Richmond, J. D. Holland, and C. H. Krupke. 2010. A novel method for estimating soybean herbivory in western corn rootworm (Coleoptera: Chrysomelidae). J. Econ. Entomol. 103: 1464-1473.

Spencer, J. L. 2010. What’s past is prologue: lessons from the history of corn rootworm management in Illinois and the U.S., pp. 223-243. In: Rodríguez-del-Bosque, L. A., and M. A. Morón (eds.), Ecología y Control de Plagas Edafícolas. Publicación especial del Instituto de Ecología, A.C. México.

2011:

Bernklau, E. J., L. B. Bjostad, and B. E. Hibbard. 2011. Synthetic feeding stimulants enhance insecticide activity against western corn rootworm larvae, Diabrotica virgifera virgifera (Coleoptera: Chrysomelidae). J. Appl. Entomol. 135: 47-54.

Campbell, L. A., T. L. Clark, P. Clark, L. J. Meinke, J.E. Foster. 2011. Field introgression of D. barberi Smith and Lawrence and D. longicornis (Say) (Coleoptera: Chrysomelidae) based on genetic and morphological characters. Ann. Entomol. Soc. Am. 104: 1380-1391.

Erb, M., T. Köllner, J. Degenhardt, C. Zwahlen, B. E. Hibbard, and T. C. J. Turlings. 2011. The role of abscisic acid and water stress in root herbivore induced leaf resistance. New Phytol. 189: 308-320.

Erb, M., C. Robert, B. E. Hibbard, and T. C. J. Turlings. 2011. Sequence of arrival determines plant mediated interactions between herbivores in the field. J. Ecol. 99: 7 15.

Frank, D. L., R. Bukowsky, B. W. French, and B. E. Hibbard. 2011. Effect of MIR604 transgenic maize at different stages of development on western corn rootworm (Coleoptera: Chrysomelidae) in a Central Missouri field environment. J. Econ. Entomol. 104: 2054-2061.

French, B. W. and L. Hammack. 2011. Multiple mating, fecundity and longevity in female northern corn rootworm (Coleoptera: Chrysomelidae) in relation to body size. Ann. Entomol. Soc. Am. 104: 834-840.

French, B. W., K. D. Reitsma, A. A. Beckler, L. D. Chandler, and S. A. Clay. 2011. Geographic Information Systems in Corn Rootworm Management. In: GIS Applications in Agriculture Volume 3: Invasive Species (S.A. Clay editor). CRC Press. Boca Raton, FL: CRC Press. Pp. 233-253.

Gassmann, A. J., Petzold-Maxwell, J. L., Keweshan, R. S., and Dunbar, M. W. (2011). Field-evolved resistance to Bt maize by western corn rootworm. PLoS ONE 6(7): e22629. doi:10.1371/journal.pone.0022629.

Geisert, R.W. 2011. Frequency of extended diapause in Nebraska populations of Diabrotica barberi Smith and Lawrence. M. S. Thesis. University of Nebraska - Lincoln.

Gray, M. E. 2011. Relevance of traditional integrated pest management (IPM) strategies for commercial corn producers in a transgenic agroecosystem: a bygone era? J. Agric. Food Chem. 59: 5852-5858.

Hibbard, B. E., D. L. Frank, R. Kurtz, E. Boudreau, M. R. Ellersieck, and J. F. Odhiambo. 2011. Mortality impact of Bt transgenic maize roots expressing eCry3.1Ab, mCry3A, and eCry3.1Ab+mCry3A on western corn rootworm in the field. J. Econ. Entomol. 104: 1584-1591.

Hodgson, E., and A. Gassmann. 2011. First Iowa confirmation of resistance to Bt corn by western corn rootworm. In: Integrated Crop Management News. 22 December 2011.

Lundgren, J. G., and J. K. Fergen. 2011. Enhancing predation of a subterranean insect pest: a conservation benefit of winter vegetation in agroecosystems. Appl. Soil Ecol. 51: 9-16.

Meihls, L. N., M. L. Higdon, M. Ellersieck, and B. E. Hibbard. 2011. Selection for resistance to mCry3A-expressing transgenic corn in western corn rootworm. J. Econ. Entomol. 104: 1045-1054.

Murphy, A. F., and C. H. Krupke. 2011. Mating success and spermatophore composition in the western corn rootworm. Environ. Entomol. 40: 1585-1594.

Murphy, A., N. Seiter, and C. Krupke. 2011. The impact of Bt maize as a natal host on adult head capsule width in field populations of western corn rootworm. Entomol. Exp. Appl. 139: 8-16.

Ni, X., Y. Chen, B. E. Hibbard, J. P. Wilson, W. P. Williams, G. D. Buntin, J. R. Ruberson, and X. Li. 2011. Foliar resistance to fall armyworm in corn germplasm lines that confer resistance to root and ear feeding insects. Fla. Entomol. 94: 971-981.

Onstad, D. W., P. D. Mitchell, T. M. Hurley, J. G. Lundgren, R. P. Porter, C. H. Krupke, J. L. Spencer, C. D. DiFonzo, T. S. Baute, R. L. Hellmich, L. Buschman, W. D. Hutchison, J. F. Tooker. 2011. Seeds of change: Corn seed mixtures for resistance management and IPM. J. Econ. Entomol. 104: 343-352.

Oswald, K., B. W. French, C. Nielson, and M. Bagley. 2011. Selection for Cry3Bb1 resistance in a genetically diverse population of non-diapausing western corn rootworm (Coleoptera: Chrysomelidae). J. Econ. Entomol. 104: 1038-1044.

Pan, Z., D. W. Onstad, T. M. Nowatzki, B. H. Stanley, L. J. Meinke, and J. L. Flexner. 2011. Western corn rootworm (Coleoptera: Chrysomelidae) dispersal and adaptation to single-toxin transgenic corn deployed with block or blended refuge. Environ. Entomol. 40: 964-978.

Peterson, J. A., J. G. Lundgren, and J. D. Harwood. 2011. Interactions of Bacillus thuringiensis crops and Araneae. J. Arachnol. 39: 1-21.

Prischmann-Voldseth, D. A., and J. G. Lundgren. 2011. Tracking predation of subterranean pests: digestion of corn rootworm DNA by a generalist mite. Biocontr. Sci. Technol. 21: 1507-1510.

Prischmann-Voldseth, D. A., E. M. Knutson, K. E. Dashiell, and J. G. Lundgren. 2011. Generalist-feeding subterranean mites as potential biological control agents of immature corn rootworms. Exp. Appl. Acarol. 55: 233-248.

Raghu, S., J. L. Spencer, A. S. Davis, and R. N. Wiedenmann. 2011. Ecological considerations for the sustainable development of terrestrial biofuel crops. Curr. Opin. Environ. Sustain. 3: 15-23.

Sappington, T. W. 2011. Developing genomics tools for the western corn rootworm - progress and promise. IWGO Newsletter 31(1): 8-12.

Weber, D. C., and J. G. Lundgren. 2011. Effect of prior diet on consumption and digestion of prey and non-prey food by adults of the generalist predator Coleomegilla maculata (Coleoptera: Coccinellidae). Entomol. Exp. Appl. 140: 146-152.

Wright, R. J., and L. J. Meinke. 2011. Corn rootworm management update. CropWatch Newsletter. 22 September 2011. http://cropwatch.unl.edu/web/cropwatch/archive?articleID=4651826.

2012:

Chen, H., H. Wang, and B. D. Siegfried. 2012. Genetic differentiation of western corn rootworm populations (Coleoptera: Chrysomelidae) with resistance to insecticides. Ann. Entomol. Soc. Am. 105: 232-240.

Clark, T. L., D. L. Frank, B. W. French, L. J. Meinke, D. Moellenbeck, T. T. Vaughn, and B. E. Hibbard. 2012. Mortality impact of MON863 transgenic maize roots on western corn rootworm larvae in the field. J. Appl. Entomol. 136: 721-729.

Coates, B. S., A. Alves, H. Wang, K. Walden, B. W. French, N. J. Miller, C. A. Abel, H. M. Robertson, T. W. Sappington, and B. D. Siegfried. 2012. Distribution of genes and repetitive elements in the Diabrotica virgifera virgifera genome estimated using BAC sequencing. J. Biomed. Biotechnol. Article ID 604076, 9 pages. DOI:10.1155/2012/604076.

Curzi, M. J., J. A. Zavala, J. L. Spencer, and M. J. Seufferheld. 2012. Abnormally high digestive enzyme activity and gene expression explain the contemporary evolution of a Diabrotica biotype able to feed on soybeans. Ecol. Evol. 2: 2005-2017.

DeVries, T., and R. Wright. 2012. Rootworm traited and refuge corn hybrids in combination with soil insecticides for larval corn rootworm control, 2011. Arthrop. Manag. Tests 37: F13.

Dunbar, M. W. and A. J.Gassmann. 2012. Effect of soybean varieties on western corn rootworm survival and fecundity. J. Econ. Entomol. 105: 625-631.

Fausti, S., T. M. McDonald, J. G. Lundgren, J. Li, A. R. Keating, S., and M. Catangui. 2012. Insecticide use and crop selection in regions with high GM adoption rates. Renew. Agric. Food Sys. 27: 295-304.

French, B. W. and L. Hammack. 2012. Spermatophore size in relation to body size and pairing duration in the northern corn rootworm (Coleoptera: Chrysomelidae). Ann. Entomol. Soc. Am. 105: 506-511.

French, B. W., B. S. Coates, and T. W. Sappington. 2014. Inheritance of an extended diapause trait in the northern corn rootworm, Diabrotica barberi (Coleoptera: Chrysomelidae). J. Appl. Entomol. 138: 213-221. (First published online: 20 AUG 2012)

Gassmann, A. J. 2012. Field-evolved resistance to Bt maize by western corn rootworm: predictions from the laboratory and effects in the field. J. Invert. Pathol. 110: 287-293.

Gassmann, A., and E. Hodgson. 2012. Managing western corn rootworm with Bt corn.” In: Integrated Crop Management News. 24 August 2012.

Gassmann, A. J., and W. D. Hutchison. 2012. Bt crops and insect pests: past successes, future challenges and opportunities. GM Crops Food 3: 139.

Gassmann, A. J., E. R. Hannon, M. S. Sisterson, S. P. Stock, Y. Carrière, and B. E. Tabashnik. 2012. Effects of entomopathogenic nematodes on the evolution of pink bollworm resistance to Bt toxin Cry1Ac. J. Econ. Entomol. 105: 994-1005.

Gassmann, A. J., J. L. Petzold-Maxwell, R. S. Keweshan, and M. W. Dunbar. 2012. Western corn rootworm and Bt maize: challenges of pest resistance in the field. GM Crops Food 3:235-244.

Gray M. E. 2012. Continuing evolution confirmed of field resistance to Cry3Bb1 in some Illinois fields by western corn rootworm. In: The Bulletin: Pest Management and Crop Development Information for Illinois, Issue No. 20. Univ. Ill. Extension, Urbana, IL, p. 120. http://bulletin.ipm.illinois.edu/article.php?id=1704.

Hiltpold, I., B.E. Hibbard, B.W. French, T.C.J. Turlings. 2012. Capsules containing entomopathogenic nematodes as a Trojan horse approach to control the western corn rootworm. Plant Soil 358: 11-25.

Hodgson, E., and A. Gassmann. 2012. Sustainable corn rootworm management in Iowa, 2 pp. Department of Entomology, Iowa State University, Publication 290-12.

Hodgson, E., and A. Sisson. 2012. “Predicted corn rootworm hatch begins for 2012.” In Integrated Crop Management News. 21 May 2012.

Holm, K., and E. Cullen. 2012. Insect IPM in Organic Field Crops: Seedcorn Maggot. Publication A3972-01. Univ. Wisc.-Extension Coop. Extension Pub., Madison, WI. 6pp. http://learningstore.uwex.edu/Insect-IPM-in-Organic-Field-Crops-Seedcorn-Maggot-P1584.aspx.

Krupke, C. Hunt, G., Eitzer, B., Andino, G., & Given, K. 2012. Multiple routes of pesticide exposure for honey bees living near agricultural fields. PLoS ONE 7(1): e29268. doi:10.1371/journal.pone.0029268.

Marquardt, P., C. Krupke, and W. Johnson. 2012. Competition of transgenic volunteer corn with soybean and the effect on western corn rootworm emergence. Weed Sci. 60: 193-198.

Marquardt, P. T., R. M. Terry, C. H. Krupke, and W. G. Johnson. 2012. Competitive effects of volunteer corn on hybrid corn growth and yield. Weed Sci. in press.

Meihls, L.N., M.L. Higdon, M.R. Ellersieck, B. E. Tabashnik, and B.E. Hibbard. 2012. Greenhouse-selected resistance to Cry3Bb1-producing corn in three western corn rootworm populations. PloS ONE 7: e51055.

Oswald, K., B.W. French, C. Nielson, and M. Bagley. 2012. Assessment of fitness costs in Cry3Bb1 resistant and susceptible western corn rootworm (Coleoptera: Chrysomelidae) laboratory colonies. J. Appl. Entomol. 136: 730–740.

Petzold-Maxwell, J. L., X. Cibils-Stewart, B. W. French, and A. J. Gassmann. 2012. Adaptation by western corn rootworm (Coleoptera: Chrysomelidae) to Bt maize: inheritance, fitness costs and feeding preference. J. Econ. Entomol. 105: 1407-1418.

Petzold-Maxwell, J.L., Jaronski, S.T., Gassmann, A. J. 2012. Tritrophic interactions among Bt maize, an insect pest, and entomopathogens: effects on development and survival of western corn rootworm. Ann. Appl. Biol. 160: 43-55.

Rangasamy, M., and B. D. Siegfried. 2012. Validation of RNA interference in western corn rootworm, Diabrotica virgifera virgifera (Coleoptera: Chrysomelidae) adults. Pest Manag. Sci. 68: 587-591.

Robert, C.A.M., M. Erb, B.E. Hibbard, B.W. French, C. Zwahlen, and T.C.J. Turlings. 2012. A specialist root herbivore reduces plant resistance and uses an induced plant volatile to aggregate in a density dependent manner. Func. Ecol. 26: 1429-1440.

Wright, R. J., and L. J. Meinke. 2012. Results from consultant survey on Bt corn rootworm damage. CropWatch Newsletter 3 February 2012. http://cropwatch.unl.edu/web/cropwatch/archive?articleID=4734708.

Wright, R. J., T. E. Hunt, and L. J. Meinke. 2013. Corn rootworm management update 2013. pp. 31-32, In: Proceedings Crop Protection Clinics, Univ. Nebr. Extension.

Zukoff, S.N., W. Bailey, M.R. Ellersieck, and B.E. Hibbard. 2012. Western corn rootworm larval movement in SmartStax seed blend scenarios. J. Econ. Entomol. 105: 1248-1260.

2013:

Bernklau, E. J., B. E. Hibbard, and L. B. Bjostad. 2013. Isolation and characterization of host recognition cues in corn roots for larvae of the western corn rootworm (Coleoptera: Chrysomelidae). J. Econ. Entomol.106: 2354-2363.

Chu, C-C., J.L. Spencer, J.A. Zavala, and M.J. Seufferheld. 2013. Insect-microbiota interactions facilitate resistance to crop rotation in the western corn rootworm. Proc. Natl. Acad. Sci. USA. 110: 11917-11922.

Cullen, E. M., and K. M. Holm. 2013. Aligning insect IPM programs with a cropping systems perspective: Cover crops and cultural pest control in Wisconsin organic corn and soybean. Agroecol. Sustain. Food Sys. 37: 550-577.

Cullen, E. M., M. E. Gray, A. J. Gassmann, and B. E. Hibbard. 2013. Resistance to Bt corn by western corn rootworm (Coleoptera: Chrysomelidae) in the U.S. corn belt. J. Integr. Pest Manag. 4: 2013; DOI: http://dx.doi.org/10.1603/IPM13012.

Devos, Y., L. N. Meihls, J. Kiss, and B. E. Hibbard. 2013. Resistance evolution to the first generation of genetically modified Diabrotica-active Bt-maize events by western corn rootworm: management and monitoring considerations. Transgenic Res. 22: 269-299.

Dunbar, M. W. and Gassmann, A. J. 2013. Abundance and distribution of western and northern corn rootworm (Diabrotica spp.) and prevalence of rotation resistance in eastern Iowa. J. Econ. Entomol. 106: 168-180.

Frank, D. L., A. Zukoff, J. Barry, M. L. Higdon, and B. E. Hibbard. 2013. Development of resistance to eCry3.1Ab-expressing transgenic maize in a laboratory-selected population of western corn rootworm (Coleoptera: Chrysomelidae). J. Econ. Entomol. 106: 2267-2684.

Geisert, R.W., and L. J. Meinke. 2013. Frequency and distribution of extended diapause in Nebraska populations of Diabrotica barberi (Coleoptera: Chrysomelidae). J. Econ. Entomol. 106: 1619-1627.

Hodgson, E., and A. Gassmann. 2013. Time to assess corn rootworm activity in Iowa. In: Integrated Crop Management News. 31 July 2013.

Hodgson, E.,and A. Sisson. 2013. Corn rootworm hatch underway in 2013. In: Integrated Crop Management News. 14 June 2013.

Hodgson, E., K. Schaefer, and A. Gassmann. 2013. Iowa Farmer perception of corn rootworm resistance. In: Integrated Crop Management News. 13 September 2013.

Lundgren, J. G. and J. J. Duan. 2013. RNAi-based insecticidal crops: A novel paradigm in risk to non-target species. Bioscience 63(8): 657-665.

Mikac, K. M., J. Douglas, and J. L. Spencer. 2013. Wing shape and size of the western corn rootworm is related to sex and resistance to soybean-maize crop rotation. J. Econ. Entomol. 106: 1517-1524.

Petzold-Maxwell, J. L., A. P. Alves, R. E. Estes, M. E. Gray, L. J. Meinke, E. J. Shields, S. D. Thompson, N. A. Tinsley, and A. J. Gassmann. 2013. Applying an integrated refuge to manage western corn rootworm (Coleoptera: Chrysomelidae): effects on survival, fitness and selection pressure. J. Econ. Entomol. 106: 2195-2207.

Petzold-Maxwell, J. L., Jaronski, S. T., Clifton, E. H., Dunbar, M. W., Jackson, M. A. and Gassmann, A. J. 2013. Interactions among Bt maize, entomopathogens and rootworm species (Coleoptera: Chrysomelidae) in the field: effects on survival, yield and root injury. J. Econ. Entomol. 106: 622-632.

Petzold-Maxwell, J. L., L. J. Meinke, M. E. Gray, R. E. Estes, and A. J. Gassmann. 2013. Effect of Bt maize and soil insecticides on yield, injury, and rootworm survival: implications for resistance management. J. Econ. Entomol. 106: 1941-1951.

Prasifka, J. R., J. L. Spencer, N. A. Tinsley, R. E. Estes, and M. E. Gray. 2013. Adult activity and oviposition of corn rootworms, Diabrotica spp. (Coleoptera: Chrysomelidae), in Miscanthus, corn and switchgrass. J. Appl. Entomol. 137: 481-487.

Robert, C. A. M., M. Erb, I. Hiltpold, B. E. Hibbard, M. D. P. Gaillard, J. Bilat. J. Degenhardt, X. Cambet-Petit-Jean, T. C. J. Turlings, and C. Zwahlen. 2013. Genetically engineered maize plants reveal distinct costs and benefits of constitutive volatile emissions in the field. Plant Biotechnol. J. 11: 628-639.

Robert, C. A. M., D. L. Frank, K. A. Leach, T. C. J. Turlings, B. E. Hibbard, and M. Erb. 2013. Direct and indirect plant defenses are not suppressed by endosymbionts of a specialist root herbivore. J. Chem. Ecol. 39: 507-515.

Rudeen, M. L., and A. J. Gassmann. 2013. Effects of Cry34/35Ab1 corn on survival and development of western corn rootworm, Diabrotica virgifera virgifera. Pest Manag. Sci. 69: 709-716.

Schmidt, J. M., J. A. Peterson, J. G. Lundgren, and J. D. Harwood. Dietary supplementation with non-prey food enhances fitness of a predatory arthropod. Entomol. Exp. Appl. 149: 282-291.

Spencer, J., D. Onstad, C. Krupke, S. Hughson, Z. Pan, B. Stanley, and L. Flexner. 2013. Isolated females and limited males: evolution of insect resistance in structured landscapes. Entomol. Exp. Appl. 146: 38-49.

Tinsley, N. A., R. E. Estes, and M. E. Gray. 2013. Validation of a nested error component model to estimate damage caused by corn rootworm larvae. J. Appl. Entomol. 137: 161-169.

Valencia, A., A. P. Alves, and B. D. Siegfried. 2013. Molecular cloning and functional characterization of an endogenous endoglucananse belonging to GHF45 from the western corn rootworm, Diabrotica virgifera virgifera. Gene 513: 260-267.

Venkata, B. P., N. Lauter, X. Li, C.Chapple, C. Krupke, G. Johal, and S. Moose. 2013. crw1 - A novel maize mutant highly susceptible to foliar damage by the western corn rootworm beetle. PLoS ONE 8(8): e71296. doi:10.1371/journal.pone.0071296 .

Wang, H., B. S. Coates, H. Chen, T. W. Sappington, T. Guillemaud, and B. D. Siegfried. 2013. Role of a gamma-aminobutryic acid (GABA) receptor mutation in the evolution and spread of Diabrotica virgifera virgifera resistance to cyclodiene insecticides. Insect Mol. Biol. 22: 473-484.

Zhao, Zixiao. 2013. Effects of a corn root defense substance on western corn rootworm Diabrotica virgifera virgifera LeConte Larvae. M. S. Thesis. University of Nebraska - Lincoln.

2014:

Hiltpold, I., E. J. Bernklau, L. B. Bjostad, N. Alvarez, N. E. Miller-Struttmann, J. G. Lundgren, and B. E. Hibbard. The role of rhizospheric chemical exudates in the ecology, physiology, evolution and management of the root-mediated interactions between insect herbivores and plant roots. Adv. Insect Physiol. (Accepted, In Press).

Kang, J., C.H. Krupke, A.F. Murphy, J.L. Spencer, M.E. Gray, and D.W. Onstad. 2014. Modeling a western corn rootworm, Diabrotica virgifera virgifera (Coleoptera: Chrysomelidae) maturation delay and resistance evolution in Bt corn. Pest Manag. Sci. (In Press).

Marquardt, P. T., C. H. Krupke, J. J. Camberato, and W. G. Johnson. 2014. The effect of nitrogen rate on transgenic corn Bt protein expression. Pest Mgt. Sci. 70: 763-770.

Meinke, L. J., D. S. Wangila, R. J. Wright, T. E. Hunt, and G. R. Kruger. 2014. Corn rootworm management update. pp. 30-34, In: Proceedings Crop Protection Clinics, Univ. Nebr.
Extension.

Muturi, E. J., J. L. Spencer and B. F. Allan. 2014. Influence of biofuel crops on mosquito production and oviposition site selection. Global Change Biol. Bioenergy 6: 61-66.

Spencer, J. L., S. A. Hughson, and E. Levine. 2014. Resistance to crop rotation. Chapter 7 (pages 233-278) in Insect Resistance Management: Biology, Economics and Prediction, 2nd Ed., D. W. Onstad, (ed.) Academic Press. Oxford, UK. 538 p.

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