Publications produced during the first 4 years of the current project cycle:

Alstad, D. N., and D. A. Andow. 1996. Implementing management of insect resistance to transgenic crops. AgBiotech News Info. 8:177N-N181.

Andow, D. A. 1996. Augmenting natural enemies in maize using vegetational diversity, pp. 137-153. In Biological pest control in systems of integrated pest management. Food and Fertilizer Technology Center.

Andow, D. A. 1999. Beneficial organisms, p. 120. In K. L. Steffey, M. E. Rice, J. All, D. A. Andow, M. E. Gray, and J. W. Van Duyn [eds.]. Handbook of corn insects. Entomological Society of America, Lanham, MD.

Andow, D. A. 1999. Pro-active monitoring. In Proceedings of the EPA/USDA Workshop on Bt Crop Resistance Management. U.S. EPA, Washington DC (submitted).

Andow, D. A. 1999. Spread of invading organisms. In E. Yano, M. Shiyomi, and D. A. Andow [eds.], Biological invasions of ecosystems by pests and beneficial organisms. National Institute of Agroenvironmental Sciences, Tsukuba, Japan (in press).

Andow, D. A. 1999. Trichogrammid wasps, pp. 128-129. In K. L. Steffey, M. E. Rice, J. All, D. A. Andow, M. E. Gray, and J. W. Van Duyn [eds.], Handbook of corn insects. Entomological Society of America, Lanham, MD.

Andow, D. A., and D. N. Alstad. 1998. The F2 screen for rare resistance alleles. J. Econ. Entomol. 91:572-578.

Andow, D. A., and D. N. Alstad. 1999. Credibility interval for rare resistance allele frequency. J. Econ. Entomol. 92: 755-758.

Andow, D. A., D. N. Alstad, Y. -H. Pang, P. C. Bolin, and W. D. Hutchison. 1998. Using an F2 screen to search for resistance alleles to Bacillus thuringiensis toxin in European corn borer (Lepidoptera:Crambidae). J. Econ. Entomol. 91: 579-584.

Andow, D. A., and K. Hidaka. 1998. Yield loss in conventional and natural rice farming systems. Agric. Ecosyst. Environ. 70: 151-158.

Andow, D. A., and W. D. Hutchinson. 1998. Bt-com resistance management, pp. 19-66. In M. Mellon and J. Rissler [eds.]. Now or never: serious new plans to save a natural pest control. Union of Concerned Scientists, Washington DC.

Andow, D. A., D. W. Ragsdale, and R. F. Nyvall. 1997. Ecological theory and biological control. Westview Press, Boulder, CO.

Ayyappath, R., J. F. Witkowski, and L. G. Higley. 1996. Population changes of spider mites (Acari:Tetranychidae) following insecticide applications in corn. Environ. Entomol. 25: 933-937.

Baker, T.C., A. Mafra-Neto, T. Dittl, and M. E. Rice. 1997. A novel controlled-release device for disrupting sex pheromone communication in moths. International Organization of Biological Control West Palaeartic Reg. Sect. Bull. 20:141-149.

Bartels, D. W., and W. D. Hutchison. 1998. Comparison of pheromone trap designs for monitoring Z-strain European corn borer (Lepidoptera: Crambidae). J. Econ. Entomol. 91: 1349-1354.

Bartels, D. W., W. D. Hutchinson, and S. Udayagiri. 1997. Pheromone trap monitoring of Z-strain European corn borer (Lepidoptera: Pyralidae): optimum pheromone blend, comparison with blacklight traps, and trap number requirements. J. Econ. Entomol. 90: 449-457.

Binder, B. F., and J. C. Robbins. 1997. Effect of terpenoids and related compounds on the oviposition behavior of the European corn borer, Ostrinia nubilalis (Lepidoptera: Pyralidae). J. Agric. Food Chem. 45: 980-984.

Bolin, P. C., W. D. Hutchison, D. A. Andow, and K. R. Ostlie. 1998. Monitoring for European corn borer (Lepidoptera: Crambidae) resistance to Bacillus thuringiensis: logistical considerations when sampling larvae. J. Agric. Entomol. 15: 231-238.

Bolin, P. C., W. D. Hutchinson, and D. W. Davis. 1996. Resistant hybrids and Bacillus thuringiensis for management of European corn borer (Lepidoptera: Pyralidae) in sweet corn. J. Econ. Entomol. 89:82-91.

Buschman, L., R. Higgins, R. Bowling, P. Sloderbeck, and V. Martin. 1996. Evaluation of the corn borer resistance in Bt corn in western Kansas, 1994, pp. 17-20. 1996 Southwest Research-Extension Center Field Day Report, Agric. Expt Stn. SRP 768.

Buschman, L., P. Sloderbeck, R. Higgins, and V. Martin. 1997. Corn borer resistance and grain yield for Bt and non-Bt corn hybrids, pp. 35-43. 1997 Southwest Research-Extension Center Field Day Report, Agric. Expt. Stn. SRP 789.

Buschman, L., P. Sloderbeck, Y. Guo, R. Higgins, and M. Win. 1998. Corn borer resistance and grain yield of Bt and non-Bt corn hybrids at Garden City, KS, 1997, pp. 34-38. Kansas State University Report of Progress 814.

Colunga-Garcia, M., S. H. Gage, and D. A. Landis. 1997. Response of an assemblage of Coccinellidae (Coleoptera) to a diverse agricultural landscape. Environ. Entomol. 26: 797-804.

Dively, G. P. 1998. MON-810 Yield Gard efficacy against true armyworm. In Proceedings, Monsanto Academic Data Review-Research Summaries. St. Louis, MO, October 1998.

Dively, G. P., M. Embrey, T. Patton, and J. J. Linduska. 1999. Comparison of control efficacy between hybrids of Attribute Bt sweet corn, pp. 15-19. In Proceedings, Mid-Atlantic Vegetable Workers Conference, Newark, DE, October 1998.

Dively, G. P., and T. A. Homer. 1998. Efficacy of lead Crylab and IRM events alone and in stacks against the corn earworm, Helicoverpa zea (Boddie). In Proceedings, Monsanto Academic Data Review-Research Summaries. St. Louis, MO, October 1998.

Dively, G. P., and J. J. Linduska. 1997. Bt sweet corn and its impact on insect pests and product marketability. In Proceedings. Mid-Atlantic Vegetable Workers Conference, Newark. DE, October, 1997.

Dively, G. P., J. J. Linduska, and M. Ross. 1999. Timing of insecticide applications for dusky sap beetle and lepidopteran survivors of Bt sweet corn, pp. 22-25. In Proceedings, Mid-Atlantic Vegetable Workers Conference, Newark, DE, October 1998.

Dyer, L. E., and D. A. Landis. 1996. Effects of habitat, temperature, and sugar availability on longevity of Eriborus terebrans (Gravenhorst) (Hymenoptera: Ichneumonidae). Environ. Entomol. 25:1192-1201.

Dyer, L. E., and D. A. Landis. 1997a. Influence of non-crop habitats on the distribution of Eriborus terebrans (Hymenoptera: Ichneumonidae) in cornfields. Environ. Entomol. 26: 924-932.

Dyer, L. E., and D. A. Landis. 1997b. Diurnal behavior of Eriborus terebrans (Hymenoptera:

Ichneumonidae). Environ. Entomol. 26: 1385-1392.

Edwards, 0. R., and K. R Hopper. 1998. Using superparasitism by a stem borer parasitoid to infer a host refuge. Ecol. Entomol. 23: 101-106.

[EPA] Environmental Protection Agency. 1998. Final report of the FWRA scientific advisory panel subpanel on Bacillus thuringiensis (Bt) plant-pesticides and resistance management meeting (R. Kendall, R. Alien, M. Caprio, T. Dennehy, F. Gould, D. Hardee, R. Hellmich, R. Higgins, W. Hutchison, R. Luttrell, K. Ostlie, B. Siegfried, M. Whalon, and J. Witkowski [authors/panel members]). Feb. 9-10, 1998. www.epa.gov/pesticides/SAP/finalfeb.pdf

Garcia-Salazar, C., and D. A. Landis. 1997. Marking Trichogramma brassicae Bezdenko (Hymenoptera: Trichogrammatidae) with a fluorescent marker dust and its effect on survival and flight behavior. J. Econ. Entomol. 90: 1546-1550.

Garvey, C. J. 1998. Impact of relative maturity groups of sweet corn varieties on the European corn borer, corn earworm, and northern and western corn rootworms. M.S. thesis. University of Wisconsin-Madison.

Gould, F., B. Tabashnik, W. Hutchison, D. Ferro, D. Andow, and M. Whalon. 1998. Recommendations for developing and implementing resistance management plans for Bt-toxin-producing crops, pp. 13-18. In M. Mellon and J. Rissler [eds.]. Now or never: serious new plans to save a natural pest control. Union of Concerned Scientists, Cambridge, MA.

Hellmich, R. L., L. S. Higgins, J. F. Witknowski, J. E. Campbell, and L. C. Lewis. 1999. Oviposition by European corn borer (Lepidoptera: Crambidae) in response to various transgenic corn events. J. Econ. Entomol. 92: 1014-1020.

Hellmich, R. L., R. L. Pingel, and W. R. Hansen. 1998. Influencing European corn borer (Lepidoptera Crambidae) aggregation sites in small grain crops. Environ. Entomol. 27: 253-259.

Hellmich, R. L., and B. D. Siegfried. 1998. Establishing research priorities for managing insect resistance to transgenic corn. In Proceedings, 5th International Symposium on the Biosafety Results of Field Tests of Genetically Modified Plants and Microorganisms, Braunschweig, Germany.

Higgins, R. L., Buschman, R. Bowling, P. Sloderbeck and V. Martin. 1996. Evaluation of the corn borer resistance in Bt corn in western Kansas, 1995, pp 17-20. 1996. Southwest Research-Extension Center Field Day Report, Agric. Expt. Stn. SRP 768.

Higgins, R. A., L. Buschman, G. Wilde, and V. Martin. 1997. Transgenic corn for pest management-research and extension needs, p. 10. In 1997 Report on grains research and educational programs supported by Kansas corn, grain sorghum, soybean, and wheat commissions. Kansas State University AES/CES. Departmental Report.

Higgins, R., P. Sloderbeck, and H. Brooks. 1998. Corn insect management for 1998. Kansas State Research and Extension MF-810.

Hofrmann, M. P., J. P. Nyrop, J. J. Kirkwyland, D. M. Riggs, D. 0. Gilrein, and D. D. Moyer. 1996. A sequential sampling plan for use in scheduling control of lepidopterous pests of fresh market sweet corn. J. Econ. Entomol. 89: 386-395.

Hoffmann, M. P., M. S. Orfanedes, L. H. Pedersen, J. J. Kirkwyland, and E. R. Hoebeke. 1997. Survey of lady beetles (Coleoptera: Coccinellidae) in sweet corn using yellow sticky cards. J. Entomol. Sci. 32:358-369.

Horner, T. A., G. P. Dively, and A. Herbert. 1998. Impact ofMON810-based Bt-transgenic corn on corn earworm. In Proceedings, Monsanto Academic Data Review-Research Summaries. St. Louis, MO, October 1998.

Huang, F. 1998. European corn borer, Ostrinia nubilalis (Hiibner) resistance to Bacillus thuringiensis Berliner formulated as Dipel. Ph.D. dissertation, Kansas State University, Manhattan.

Huang, F., L. L. Buschman, and R. A. Higgins. 1999. Susceptibility of different instars of European corn borer (Lepidoptera: Crambidae), to Bacillus thuringiensis. J. Econ. Entomol. 92: 547-550.

Huang, F., L. L. Buschman, and R. A. Higgins. 1999. Transgenic Bt plants: successes, challenges, and strategies. In Proceedings, 2nd Asian and Pacific Plant Protection Conference, Feb. 18-20. Mumbai, India Pestol. 23: 2-29.

Huang, F., L. L. Buschman R. A. Higgins, and W. H. McGaughey. 1999. Inheritance of resistance to Bacillus thuringiensis toxin (Dipel ES) in European corn borer. Science (Wash DC) 284: 295-297.

Huang, F., R. A. Higgins, and L. L. Buschman. 1997. Baseline susceptibility and changes in susceptibility to Bacillus thuringiensis subsp. kurstaki under selection pressure in European corn borer, Ostrinia nubilalis Hubner (Lepidoptera:Pyralidae). J. Econ. Entomol. 90: 1137-1143.

Huang, F., K. Y. Zhu, L. L. Buschman, R. A. Higgins, and B. Oppert. 1999. Comparison of midgut proteinases in Bacillus thuringiensis-susceptible and resistant European corn borer, Ostrinia nubilalis. Pest. Biochem. Physiol. 65: 132-139.

Hurley, T. M., B. A. Babcock, and R. L. Hellmich. 1997. Biotechnology and pest resistance: an economic assessment of refuges. Center for Agriculture and Rural Development Working Paper 97-WP 183, Iowa State University, Ames.

Hurley, T. M., S. Secchi, B. A. Babcock, and R. L. Hellmich. 1999. Managing the risk of European corn borer resistance to transgenic corn: an assessment of refuge recommendations. Center for Agricultural and Rural Development Staff Report 99-SR 88, Iowa Satte University, Ames.

Hunt, T. E. 1999. Dispersal and behavior of adult European corn borer in and around corn. PhD. dissertation. University of Nebraska-Lincoln.

Hyde, J., M. A. Martin, P. V. Preckel, and C. R. Edwards. 1998. Analyzing the risks associated with Bt corn. Am. J. Agric. Econ. 80: 1179.

Hyde, J., M. A. Martin, P. V. Preckel, and C. R. Edwards. 1998. The economics of Bt corn: adoption implications. Purdue Univ. Coop. Ext. Serv. Publ. ID-219, West Lafayette, IN.

Johnson, D. E., B. S. Oppert, and W. H. McGaughey. 1998. Relationship between spore/crystal content and protein levels for toxicity of Bacillus thuringiensis toward the Indian meal moth (Plodia interpunctelld). Current Microbiol. 36: 278-282.

Keil, C., C. Mason, F. Huang, L. Buschman, R. Higgins, P. Bolin, W. Hutchinson, and B. Siegfried. 1997. Selection for resistance to Bacillus thuringiensis toxins in the European corn borer, Ostrinia nubilalis. In Proceedings of the Society of Invertebrate Pathology (Abstract), 30th Annual Meeting, Aug. 24-29, Banff, Alberta, Canada.

Landis, D. A., and M. J. Haas. 1996. Potential arthropod targets for biological control in the north central United States. Research report RR-546, Mich. Agric. Expt. Stn., Michigan State University, East Lansing.

Landis, D. A., and P. C. Marino. 1999. Conserving parasitoid communities of native pests: implications for landscape structure, pp. 38-51. In. L. Charlet and G. Brewer [eds.]. Biological control of native or indigenous pests. Proceedings Thomas Say Publications in Entomology, Entomological Society of America, Lanham, MD.

Landis, D., and P. Marino. 1999. Landscape structure and extra-field processes: impact on management of pests and beneficials, pp. 79-104. In J. Ruberson [ed.]. Handbook of pest management. Marcel Dekker, Inc., New York.

Landis, D. A., and F. D. Menalled. 1998. Ecological considerations in conservation ofparasitoids in agricultural landscapes, pp. 101-121. In P. Barbosa [ed.]. Conservation biological control. Academic Press, San Diego.

Letoumeau, D. K., and D. A. Andow. 1999. Natural enemy food webs. Ecol. Appl. 9: 363-364.

Locke, L., Bh. Subramanyam, W. Hutchinson, and M. Tulte. 1997. Production and pest management practices of Minnesota organic fresh market vegetable growers in 1995. Minn. Ext. Serv. Publ. BU-6900-E.

Losey, J. E., L. S. Rayor, and M. E. Carter. Transgenic pollen harms monarch larvae. Nature (Lond) 399:214.

Marcon, P.C.R.G., D. B. Taylor, C. E. Mason, R. L. Hellmich, and B. D. Siegfried. 1999. Genetic similarity among pheromone and voltinism races of Ostrinia nubilalis (Hiibner). J. Insect Mol. Biol. 2:213-222.

Marcon, P.C.R.G., L. J. Young, K. L. Steffey, and B. D. Siegfried. 1999. Baseline susceptibility of European corn borer, Ostrinia nubilalis, to Bacillus thuringiensis toxins. J. Econ. Entomol. 92:2799-285.

Mason, C. E. 1999. Other parasitoids, p. 129. In K. L. Steffey, M. E. Rice, J. All, D. A. Andow, M. E. Gray, and J. W. Van Duyn [eds.]. Handbook of corn insects. Entomological Society of America, Lanham, MD.

Mason, C. E., N. P. Ebresman, K. He, A. S. Italia, and J. D. Pesek, Jr. 1997. Performance of three commercial pheromone sources for trapping European corn borer, pp. 27-34. In Proceedings of the 31st Northeast Regional Field Crops Insect Conference, Burlington, VT.

Mason, C. E., M. E. Rice, D. D. Calvin, J. W. Van Duyn, W. B. Showers, W. D. Hutchinson, J. F. Witkowski, R. A. Higgins, D. W. Onstad, and G. P. Dively. 1996. European corn borer ecology and management. North Central Region Ext. Publ. 327, Iowa State University, Ames.

Mason, C. E., E. Y. Stromdahl, and J. D. Pesek, Jr. 1997. Placement of pheromone traps within the vegetation canopy to enhance capture of male European corn borer (Lepidoptera: Pyralidae). J. Econ. Entomol. 90: 795-800.

McGaughey, W. H., and Oppert, B. 1998. Mechanisms of insect resistance to Bacillus thuringiensis toxins. Israel J. Entomol. 32: 1-14.

Menalled, F., J. Lee, and D. Landis. 1999. Manipulating carabid beetle abundance alters prey removal rates in corn fields. BioControl 43: 441-456.

Menalled, F. D., P. C. Marino, S. Gage, and D. A. Landis. 1999. Does agricultural landscape structure affect parasitism and parasitoid diversity? Ecol. Appl. 9: 634-641.

Munkvold, G. P., R. L. Hellmich, and W. B. Showers. 1997. Reduced Fusarium ear rot and symptomless infection in kernels of maize genetically engineered for European corn borer resistance. Phytopathology 87: 1071-1077.

Munkvold, G. P., R. L. Hellmich, W. B. Showers, and M. E. Rice. 1996. Gibberella infection in kernels oftransgenic (Bt) maize. (Abstract) Phytopathology 86: S47.

Myers, S. W. 1998. An evaluation of the European corn borer, Ostrinia nubilalis (Lepidoptera: Pyralidae) on corn silage and investigations into possible chemical attractants for the picnic beetle, Glischrochilns quadrisignatus (Coleoptera: Nitidulidae). M.S. thesis. University of Wisconsin-Madison.

Myers, S. W., and J. L. Wedberg. 1999. Development of an economic injury level for European corn borer (Lepidoptera: Pyralidae) in corn grown for silage. J. Econ. Entomol. 92: 624-630.

Naranjo, S. E., and W. D. Hutchinson. 1997. Validation of arthropod sampling plans using a resampling approach: software and analysis. Am. Entomol. 43: 48-57.

[NC-205] North Central-205. 1998. Supplement to NCR-602. Bt corn & European corn borer: long-term success through resistance management. ent.agri.umn.edu/ECB/nc205doc.htm

Olson, D. M. 1997. Fitness and inheritance of oviposition behaviors of a parasitoid in populations with high conspecific densities. Ph.D. dissertation, University of Minnesota, St. Paul.

Olson, D. M. 1998. Oviposition and offspring survival within eggs of European corn borer: discrimination of the host embryo by female Trichogramma nubilale. Entomol. Exp. Appl. 87:79-84.

Olson, D. M., and D. A. Andow. 1997. Primary sex allocation in Trichogramma (Hym.:Trichogrammatidae) and effects of sperm on oviposition behavior. Ann. Entomol. Soc. Am. 90:689-692.

Olson, D. M., and D. A. Andow. 1998. Larval crowding and adult nutrition effects on longevity and fecundity of female Trichogramma nubilale Ertle and Davis (Hym.:Trichogrammatidae). Environ. Entomol. 27: 508-514.

Onstad, D. W, and E. F. Brewer. 1996. Modeling induction of diapause in North American Ostrinia nubilalis (Lepidoptera; Pyralidae) populations. Environ. Entomol. 25: 1140-1146.

Onstad, D. W., and F. Gould. 1998. Do dynamics of crop maturation and herbivorous insect life cycle influence the risk of adaptation to toxins in transgenic host plants? Environ. Entomol. 27: 517-522.

Onstad, D. W., and F. Gould. 1998. Modeling the dynamics of adaptation to transgenic maize by European corn borer (Lepidoptera: Pyralidae). J. Econ. Entomol. 91: 585-593.

Onstad, D. W., and E. A. Komkven. 1999. Persistence of natural enemies of weeds and insect pests in heterogeneous environments, pp. 349-367. In B. A. Hawkins and H. V. Cornell [eds.]. Theoretical approaches to biological control. Chapman & Hall, London.

Oppert, B. 1999. Protease interactions with Bacillus thuringiensis insecticidal toxins. Arch. Insect Biochem. Physiol. 42: 1-12.

Oppert, B., and K. J. Kramer. 1998. Economical proteinase activity blot. Am. Biotech. Lab. 16: 20.

Orr, D. B., and D. A. Landis. 1997. Oviposition of European corn borer (Lepidoptera: Pyralidae) and impact of natural enemy populations in transgenic versus isogenic corn. J. Econ. Entomol. 90: 905-909.

Orr, D. B., D. A. Landis, D. R. Mutch, G. V. Manley, S. A. Stuby, and R. L. King. 1997. Ground-cover influence on microclimate and Trichogramma augmentation in seed corn production. Environ. Entomol. 26: 433-438.

Ostlie, K. R., W. D. Hutchinson, and R. L. Hellmich. 1997. Bt-com and European corn borer: strategies for long-term success of innovative technology. North Central Region Publ. NCR-602. University of Minnesota, St. Paul. ent.agri.umn.edu/ecb/nc205doc.htm

Pilcher, C. D., J. J. Obiycki, M. E. Rice, and L. C. Lewis. 1997. Preimaginal development, survival, and field abundance of insect predators on transgenic Bacillus thuringiensis corn. Environ. Entomol. 26: 446-454.

Pilcher, C. D., and M. E. Rice. 1998. Management of European corn borer and corn rootworms with transgenic corn: a survey of farmer perceptions. Am. Entomol. 44: 36-44.

Pilcher, C. D., M. E. Rice, J. J. Obrycki, and L. C. Lewis. 1997. Field and laboratory evaluations of transgenic Bacillus thuringiensis corn on secondary lepidopteran pests. J. Econ. Entomol. 90: 669-678.

Pornkulwat, S., S. R. Skoda. G. D. Thomas, and J. E. Foster. 1998. Random amplified polymorphic DNA used to identify genetic variation in ecotypes of the European corn borer (Lepidoptera:Pyralidae). Ann. Entomol. Soc. Am. 91:719-725.

Retta, A., R. L. Vanderlip, R. A. Higgins, and L. J. Moshier. 1996. Application of SORKAM to simulate shattercane growth using forage sorghum. Agron. J. 3: 596-601.

Rice, M. E., and C. D. Pilcher. 1998. Potential benefits and limitations of transgenic Bt corn for management of the European corn borer (Lepidoptera: Crambidae). Am. Entomol. 44: 75-78.

Rice, M. E., and K. R. Ostlie. 1997. European corn borer management in field corn: a survey of perceptions and practices in Iowa and Minnesota. J. Prod. Agric. 10: 628-634.

Riggs, Dale I. M., Michael P. Hoffmann, and Larry C. Thetford. 1998. Treatment thresholds for European corn borer (Lepidoptera: Pyralidae) infestations in early-season fresh market sweet corn. J. Entomol. Sci. 33: 393-399.

Rutledge, C. E. 1998. Habitat preferences and fidelity in the Cotesia flaviores complex (Hymenoptera:Braconidae): current preferences and the potential for change through learning and selection. Ph.D. dissertation, University of Illinois at Urbana-Champaign.

Rutledge, C. E., and R. N. Wiedenmann. 1997. Habitat selection in three closely related parasitoids of stemborers. Midwest Biol. Control News 3:4.

Schellhom, N. A. 1998. Cannibalism and interspecific predation: the interaction among coccinellid beetles, their aphid prey and maize. Ph.D. dissertation. University of Minnesota, St. Paul.

Schellhom, N. A., and D. A. Andow. 1999. Cannibalism and interspecific predation: role of oviposition behavior. Ecol. Appl. 9:418-428.

Schellhom, N. A., and D. A. Andow. 1999. Mortality of coccinellid beetle larvae and pupae when prey becomes scarce. Environ. Entomol. (in press).

Schellhom, N. A., J. P. Harmon, and D. A. Andow. 2000. Using cultural practices to enhance insect pest control by natural enemies, pp. 147-170. In J. Rechcigl [ed.]. Environmentally sound approaches to insect pest management. CRC Press, Boca Raton, FL.

Smith, J. W., Jr., and R. N. Wiedenmann. 1997. Foraging strategies ofstemborer parasites and the application to biological control. Insect Sci. Appl. 17: 37-49.

Steffey, K. L., M. E. Rice, J. All, D. A. Andow, M. E. Gray, and J. W. Van Duyn [eds.]. 1999. Handbook of corn insects. Entomological Society of America, Lanham, MD.

Steffey, K. L., M. E. Rice, and M. E. Gray. 1999. Identification of insects and diagnosis of injury, pp. 22-43. In K. L. Steffey, M. E. Rice, J. All, D. A. Andow, M. E. Gray, and J. W. Van Duyn [eds.], Handbook of corn insects. Entomological Society of America, Lanham, MD.

Tallamy, D. W., J. Stull, N. P. Ehresman, P. M. Gorski, and C. E. Mason. 1997. Cucurbitacins as feeding and oviposition deterrents to insects. Environ. Entomol. 26: 678-683.

Tate, C. D. 1998. Feeding preferences of neonatal European corn borer {Ostrinia nubilalis) for non-corn hosts. M.S. thesis, Iowa State University, Ames.

Udayagiri, S., and C. E. Mason. 1997. Epicuticular wax chemicals in Zea mays influence oviposition in Ostrinia nubilalis. J. Chem. Ecol. 23: 1675-1687.

Udayagiri, S., C. E. Mason, and J. D. Pesek, Jr. 1997. Coleomagilla maculata. Coccinella septempunctata (Coleoptera: Coccinellidae), Chrysoperia camea (Neuroptera: Chrysopidae), and Macrocentrus grandii (Hymenoptera: Braconidae) trapped on colored sticky traps in corn habitats. Environ. Entomol. 26: 983-988.

Walker, K. A. 1998. Injury by late instar European corn berer (Ostrinia nubilalis) to Bacillus thuringiensis (Bt) transgenic corn. M.S. thesis, Iowa State University, Ames.

Wamock, D. F., W. D. Hutchinson, T. J. Kurtti, and D. W. Davis. 1997. Laboratory bioassays for evaluating sweet corn antibiosis on European corn borer (Lepidoptera: Pyralidae) larval development. J. Entomol. Sci. 32: 342-357.

Weidenmann, R. N. 1998. Midwest institute for biological control. Midwest Biol. Control News 5:1-2.

Weidenmann, R.N., and J. W. Smith. 1997. Novel associations and importation biological control: the need for ecological and physiological equivalences. Insect Sci. Appl. 17: 51-60.

Willson, H., B. Eisley, J. Jasinski, C. Young, and A. Ba. 1999. Field crop pest management and survey report-1998. Ohio Pest Management and Survey Program, The Ohio State University, project document 99-1.

Wiseman, B. R., and R. A. Higgins. 1999. Corn pests-insects and related arthropods, pp. 17-18. In K. L. Steffey, M. E. Rice, J. All, D. A. Andow, M. E. Gray, and J. W. Van Duyn [eds.], Handbook of corn insects. Entomological Society of America, Lanham, MD.

Wright, R. J., and J. W. Van Duyn. 1999. pp. 10-16. In K. L. Steffey, M. E. Rice, J. All, D. A. Andow, M. E. Gray, and J. W. Van Duyn [eds.]. Handbook of corn insects. Entomological Society of America, Lanham, MD.

Yano, E., M. Shiyomi, and D. A. Andow [eds.]. 1999. Biological invasions of ecosystems by pests and beneficial organisms. National Institute of Agroenvironmental Sciences, Tsukuba, Japan (in press).

Zhu, Y. -C., B. Oppert, K. J. Kramer, W. H. McGaughey, and A. K. Dowdy. 1999. Comparison of cDNA sequences, mRNA expression levels, and genomic DNAs for trypsinogen-like enzyme in Bt-susceptible and Bt-resistant strains of Plodia interpunctella. Insect Mol. Biol. (in press).

In press:

Andow, D. A., D. M. Olson, R. L. Hellmich, D. N. Alstad, and W. D. Hutchison. Frequency of resistance alleles to Bacillus thuringiensis toxin in an Iowa population of European corn borer. J. Econ. Entomol. (in press).

Carmona, D. M., and D. A. Landis. Influence of refuge habitats and covers crops on seasonal activity-density of ground beetles (Coleoptera: Carabidae) in field crops. Environ. Entomol. (in press).

Hellmich, R. L. Refuge issues. In Proceedings, EPA-USDA Workshop on Bt Croo Resistance Management. June 18, 1999, Chicago, Illinois (in press).

Higgins, R. A., and T. M. Hurley. Bt corn refuge design and deployment-high plains production areas where joint infestations of European and southwestern corn borer occur. In Proceedings, EPA-USDA Workshop on Bt Crop Resistance Management. June 18, 1999, Chicago, Illinois (in press).

Huang, F., R. A. Higgins, and L. L. Buschman. Heritability and stability of resistance to Bacillus thuringiensis in European corn borer (Lepidoptera: Pyralidae). Bull. Entomol. Res. (in press).

Hutchison, W. D., and D. A. Andow. Resistance management for Bt corn: progress and challenges to consensus in U.S. policy. In Proceedings, 5th International Symposium on Biosafety Results of Field Tests of Genetically Modified Plants and Microorganisms, Sept. 6-10, 1998, Braunschweig, Germany.

Hyde, J., M. A. Martin, P. V. Preckel, and C. R. Edwards. The economics of Bt corn: valuing the protection from European corn borer. Rev. Agric. Econ. (in press).

Landis, D. A. Habitat modification to enhance biological control in IPM. In G. G. Kennedy and T. B. Sutton [eds.], Emerging technologies for integrated pest management: concepts, research, and implementation. APS Press, St. Paul, MN (in press).

Landis, D., S. D. Wratten, and G. Gurr. Habitat manipulation to conserve natural enemies ofarthropod pests in agriculture. Annu. Rev. Entomol. (in press).

Marino, P. C., and D. A. Landis. Parasitoid community structure: implications for biological control in agricultural landscapes. In B. Ekbom [ed.]. Interchanges of insects between agricultural and surrounding habitats. Kluwer Academic Publishers, Dordrecht, the Netherlands (in press).

Mason, C. E., and R. L. Snyder. Comparison of cone and paper pheromone traps for sampling European corn borer. In Proceedings, 33rd Northeast Regional Crops Insect Conference, Virginia Beach, VA (in press).

Onstad, D. W., and C. A. Guse. Economic analysis of transgenic maize and nontransgenic refuges for managing European corn borer (Lepidoptera: Pyralidae). J. Econ. Entomol. (in press).

Orr, D. B., C. Garcia-Salazar, and D. A. Landis. Trichogramma-nontarget impacts: a model for biological control risk assessment. In P. A. Follett and J. J. Duan [eds.], Nontarget effects of insect biological control, Kluwer Academic Publishers, Boston, MA (in press).

Weidenmann, R. N., and J. W. Smith. Using novel host-parasitoid associations for biological control of native pests. Thomas Say Special Publications, Entomological Society of America, Lanham, MD (in press).

Awards: 1998 Entomology Educational Project Award (extension publication category) presented to Charles E. Mason, Marlin E. Rice, Dennis D. Calvin, John W. Van Duyn, William B. Showers, William D. Hutchison, John F. Witkowski, Randall A. Higgins, David W. Onstad, and Galen P. Dively for the publication European Corn Borer Ecology and Management. Presented by Board-certified entomologists of Mid-America at North Central Branch-Entomological Society of America Meeting, Sioux Falls, SD.