Michael P. Hoffmann
Department of Entomology
Cornell University

Publications

Publications (Refereed):

Huber, R. T., L. Moore, and M. P. Hoffmann. 1979. Feasibility study of area-wide pheromone trapping of male pink bollworm moths in a cotton insect pest management program. J. Econ. Entomol. 72: 222-227.

Huber, R. T., and M. P. Hoffmann. 1979. Development and evaluation of an oil trap for use in pink bollworm pheromone mass trapping and monitoring programs. J. Econ. Entomol. 72: 695-697.

Sances, F. V., N. C. Toscano, M. P. Hoffmann, L. F. LaPre, M. W. Johnson, and J. B. Bailey. 1982. Radioactive measurement of brown mite injury on avocados. Calif. Agric. 36: 22-24.

McDonough, L. M., M. P. Hoffmann, B. A. Bierl-Leonhardt, C. L. Smithhisler, J. B. Bailey, and H. G. Davis. 1982. Sex pheromone of the avocado pest, Amorbia cuneana (Walsingham) (Lepidoptera: Tortricidae). J. Chem. Ecol. 8: 255-265.

Sances, F. V., N. C. Toscano, M. P. Hoffmann, L. F. LaPre, M. W. Johnson, and J. B. Bailey. 1982. Physiological responses of avocado leaves to avocado brown mite feeding injury. Environ. Entomol. 11: 516-518.

Zalom, F. G., L. T. Wilson, M. P. Hoffmann, W. H. Lange and C. V. Weakley. 1983. A sampling plan for monitoring fruit damaged by Lepidopterous pests in processing tomatoes. Calif. Agric. 37: 25-26.

Wilson, L. T., F. G. Zalom, R. Smith, and M. P. Hoffmann. 1983. Monitoring for fruit damage in processing tomatoes: Use of a dynamic sequential sampling plan. Environ. Entomol. 12: 835-839.

Hoffmann, M. P., L. M. McDonough, and J. B. Bailey. 1983. Field test of the sex pheromone of Amorbia cuneana (Walsingham). Environ. Entomol. 12: 1387-1390.

Smithhisler, C. L., L. M. McDonough, J. B. Bailey and M. P. Hoffmann. 1985. Sex pheromone gland of the omnivorous looper, Sabulodes caberata Guenee (Lepidoptera: Geometridae). Southwestern Entomologist 10:7-14.

Bailey, J. B., L. M. McDonough, and M. P. Hoffmann. 1986. Western avocado leafroller, Amorbia cuneana (Walsingham), (Lepidoptera: Tortricidae): Discovery of populations utilizing different ratios of sex pheromone components. J. Chem. Ecol. 12: 1239-1245.

Zalom, F. G., L. T. Wilson, and M. P. Hoffmann. 1986. Impact of feeding by the tomato fruitworm, Heliothis zea (Boddie) and the beet armyworm, Spodoptera exigua (HÙbner) on processing tomato fruit quality. J. Econ. Entomol. 79: 822-826.

Hoffmann, M. P., L. T. Wilson, F. G. Zalom, and L. M. McDonough. 1986. Lures and traps for monitoring tomato fruitworm. Calif. Agric. 40: 17-18.

McDonough, L. M., J. B. Bailey, M. P. Hoffmann, B. A. Leonhardt, D. F. Brown, C. L. Smithhisler, and K. Olsen. 1986. Sabulodes caberata Guenee (Lepidoptera: Geometridae): Components of its sex pheromone gland. J. Chem. Ecology. 12: 2107-2116.

Hoffmann, M. P., L. T. Wilson and F. G. Zalom. 1987. Control of stink bugs in tomatoes. Calif. Agric. 41: 4-6.

Hoffmann, M. P., L. T. Wilson and F. G. Zalom. 1987. The southern green stink bug, Nezara viridula, [Heteroptera: Pentatomidae]; new location. Pan Pacific Entomologist 64: 333.

Bailey, J. B., M. P. Hoffmann and K. N. Olsen. 1988. Blacklight monitoring of two avocado insect pests. Calif. Agric. 42: 26-27.

Bailey, J. B., M. P. Hoffmann, L. M. McDonough and K. N. Olsen. 1988. Field-testing the sex pheromone for Amorbia cuneana in avocados. Calif. Agric. 42: 17-18.

Bailey, J. B., K. N. Olsen, L. M. McDonough and M. P. Hoffmann. 1988. Possible new race of Amorbia cuneana discovered in avocado. Calif. Agric. 42: 11-12.

Wilson, L. T., J. M. Smilanick, M. P. Hoffmann, D. L. Flaherty, and S. M. Ruiz. 1988. Leaf nitrogen and position in relation to population parameters of Pacific spider mite, Tetranychus pacificus (McGregor) on grape plantings. Environ. Entomol. 17: 964-968.

Aldrich, J. R., W. R. Lusby, B. E. Marron, K. C. Nicolaou, M. P. Hoffmann and L. T. Wilson. 1989. Pheromone blends of green stink bugs and possible parasitoid selection. Naturwissenschaften. 76: 173-175.

Awan, M. S., L. T. Wilson and M. P. Hoffmann. 1989. Prey location by Oechalia schellembergii (Gu*rin-Meneville) (Heteroptera: Pentatomidae). Entomol. Expt. and Appl. 51: 225-231.

Awan, M. S., L. T. Wilson and M. P. Hoffmann. 1990. Comparative biology of three geographic populations of Trissolcus basalis (Hymenoptera: Scelionidae:). Environ. Entomol. 19: 387-392.

Hoffmann, M. P., L. T. Wilson, F. G. Zalom, R. J. Hilton and C. V. Weakley. 1990. Parasitoid helps control fruitworm in Sacramento Valley processing tomatoes. Calif. Agric. 44: 20-23.

Hoffmann, M. P., L. T. Wilson, F. G. Zalom and R. J. Hilton. 1990. Parasitism of Heliothis zea (Boddie) eggs: Effect on pest management decision rules for processing tomatoes in the Sacramento Valley of California. Environ. Entomol. 19:753-763.

Hoffmann, M. P., L. T. Wilson, F. G. Zalom, R. Coviello, M. Murray, P. Goodell and D. Rough. 1990. Trapping tomato fruitworm in the Central Valley. Calif. Agric. 44: 33-35.

Zalom, F. G., C. V. Weakley, M. P. Hoffmann, L. T. Wilson, J. I. Grieshop, and G. Miyao. 1990. Monitoring tomato fruitworm eggs in processing tomatoes. Calif. Agric. 44: 12-15.

Davidson, N. A., L. T. Wilson, M. P. Hoffmann and F. G. Zalom. 1990. Comparison of temperature measurements from local weather stations and the tomato plant canopy: Implications for crop and pest forecasting. J. Amer. Soc. Hort. Sci. 115: 861-869.

Aldrich, J. R., M. P. Hoffmann, J. P. Kochansky, W. R. Lusby, J. E. Eger, and J. A. Payne. 1991. Identification and attractiveness of a major pheromone component for Nearctic Euschistus spp. stink bugs (Heteroptera: Pentatomidae). Environ. Entomol. 20: 477-483.

Hoffmann, M. P., N. A. Davidson, L. T. Wilson, L. E. Ehler, W. A. Jones, and F. G. Zalom. 1991. Imported wasp helps control southern green stink bug. Calif. Agric. 35 (3): 20-22.

Hoffmann, M. P., L. T. Wilson and F. G. Zalom. 1991. Area-wide pheromone trapping of Helicoverpa zea and Heliothis phloxiphaga (Lepidoptera: Noctuidae) in the Sacramento and San Joaquin Valleys of California. J. Econ. Entomol. 84: 902-911.

Hoffmann, M. P., L. T. Wilson, F. G. Zalom and R. J. Hilton. 1991. Dynamic sequential sampling plan for Helicoverpa zea (Lepidoptera: Noctuidae) eggs in processing tomatoes: parasitism and temporal patterns. Environ. Entomol. 20: 1005-1012.

Hoffmann, M. P., F. G. Zalom, L. T. Wilson, J. M. Smilanick, L. D. Malyj, J. Kiser, V. A. Hilder and W. M. Barnes. 1992. Field evaluation of transgenic tobacco containing genes encoding Bacillus thuringiensis delta-endotoxin or cowpea trypsin inhibitor: Efficacy against Helicoverpa zea. J. Econ. Entomol. 85: 2516-2522.

Hoffmann, M. P., C. H. Petzoldt, C. R. MacNeil, J. J. Mishanec, M. S. Orfanedes, A. J. Seaman, and D. H. Young. 1995. Evaluation of an Onion Thrips Pest Management Program for Onions in New York. Agriculture, Ecosystems & Environment. 55: 51-60.

Hoffmann, M. P., J. J. Kirkwyland, and P. M. Davis. 1995. Spatial Distribution of Adult Corn Flea Beetles, Chaetocnema pulicaria (Coleoptera: Chrysomelidae) in Sweet Corn and Development of a Sampling Plan. J. Econ. Entomol. 88: 1324-1331.

Schroeder, P. C., C. S. Ferguson, A. M. Shelton, W. T. Wilsey, M. P. Hoffmann and C. H. Petzoldt. 1996. Greenhouse and field evaluations of entomopathogenic nematodes (Nematoda: Heterorhabditidae and Steinernematidae) for control of cabbage maggot (Diptera: Anthomyiidae) on cabbage. J. Econ. Entomol. 89: 1109-1115.

Hoffmann, M. P., R. W. Robinson, M. M. Kyle and J. J. Kirkwyland. 1996. Defoliation and infestation of Cucurbita pepo genotypes by diabroticite beetles. HortScience. 31: 439-442.

Hoffmann, M. P., J. P. Nyrop, J. J. Kirkwyland, D. M. Riggs, D. O. 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., J. J. Kirkwyland, R. F. Smith and R. F. Long. 1996 Field tests with kairomone-baited traps for cucumber beetles and corn rootworms in cucurbits. Environ. Entomol. 25: 1173-1181.

Shelton, A. M., M. K. Kroening, S. D. Eigenbrode, C. Petzoldt, M. P. Hoffmann, J. A. Wyman, W. T. Wilsey, R. J. Cooley, and L. H. Pedersen. 1996. Diamondback moth (Lepidoptera: Plutellidae) contamination of cabbage transplants and the potential for insecticide resistance problems. J. Entomol. Sci. 31: 347-354.

Pickett, C. H., S. E. Schoenig and M. P. Hoffmann. 1996. Establishment of the squash bug parasitoid, Trichopoda pennipes Fabr. (Diptera: Tachinidae), in northern California. Pan-Pacific Entomologist. 72: 220-226.

Hoffmann, M. P., M. S. Orfanedes, L. H. Pedersen, J. J. Kirkwyland and E. R. Hoebeke. 1997. Species diversity and seasonal abundance of lady beetles (Coleoptera: Coccinellidae) in sweet corn in New York. J. Entomol. Sci. 32: 358-369.

Vasquez, L. A.., A. M. Shelton, M. P. Hoffmann and R. T. Roush. 1997. Laboratory evaluation of commercial Trichogrammatid products for potential use against Plutella xylostella. J. Biological Control 9:143-148.

McDonald, D. G., C. J. Glynn, M. P. Hoffmann and C. H. Petzoldt. 1997. Effects of grower participation on onion IPM demonstrations. Agriculture, Ecosystems & Environment. 66: 131-138.

Broadway, R. M., C. Gongora, W. C. Kain, J. P. Sanderson, J. A. Monroy, K. C. Bennet, J. B. Warner and M. P. Hoffmann. 1998. Novel chitinolytic enzymes with biological activity against herbivorous insects. J. Chem. Ecol. 24: 985-998.

Riggs, Dale I. M., Michael P. Hoffmann and Larry W. Thetford. Treatment thresholds for European corn borer, Ostrinia nubilalis (Hübner) (Lepidoptera: Pyralidae) infestations in early season fresh market sweet corn. J. Econ. Entomol. (in press)

Books or Book Chapters:

Hoffmann, M. P., H. D. Thurston & M. Smith. 1993. Breeding for resistance to insects and plant pathogens. pp. 79-99. In Crop improvement for sustainable agricultural systems. M. B. Callaway & C. A. Francis, eds., University of Nebraska Press.

Jones, W. A., L. E. Ehler, M. P. Hoffmann, N. A. Davidson, L. T. Wilson and J. W. Beardsley. 1995. Southern green stink bug, Nezara viridula (L.) (Heteroptera: Pentatomidae). pp. 81-83. In Nechols, J. R., L. A. Andres, J. W. Beardsley, R. D. Goeden and C. G. Jackson (eds.), Biological control in the western United States: Accomplishments and benefits of Regional Project W-84, 1964-1989. Univ. of Calif. Press, Division of Agriculture and Natural Resources.

Hoffmann, M. P., R. L. Ridgway, E. D. Show & J. Matteoni. 1998. Practical application of mass-reared natural enemies: Selected case histories. pp. 268-293. In R. Ridgway, M. Hoffmann, M. Inscoe & C. Glenister (eds.) Mass-reared natural enemies: Application, regulation and needs. Proceedings: Thomas Say Pub. in Entomology. Entomol. Soc. America. Lanham, MD. 332 pp.

Glenister, C. S. & M. P. Hoffmann. 1998. Mass reared natural enemies: Scientific, technological and informational considerations. pp. 242-267. In R. Ridgway, M. Hoffmann, M. Inscoe & C. Glenister (eds.) Mass-reared natural enemies: Application, regulation and needs. Proceedings: Thomas Say Pub. in Entomology. Entomol. Soc. America. Lanham, MD. 332 pp.

Ridgway, R. L., M. P. Hoffmann, M. N. Inscoe & C. S. Glenister (eds.) 1998. Mass-reared natural enemies: Application, regulation and needs. Proceedings: Thomas Say Pub. in Entomology. Entomol. Soc. America. Lanham, MD. 332 pp.

Publications (Technical/Extension/Abstracts):

Hoffmann, M. P., and R. T. Huber. 1978. An evaluation of pink bollworm sex pheromone dispensers for attractancy and longevity. Pacific Branch, Entomological Society of America, Scottsdale, Arizona. (abstr.)

Hoffmann, M. P. 1979. Pink bollworm pheromone trapping. Association of Applied Insect Ecologists, Annual Conference, Monterey, CA. (abstr.)

Bailey, J. B., and M. P. Hoffmann. 1979. Omnivorous looper on avocados in California. UC Leaflet 21101. 4 pp.

Bailey, J. B., and M. P. Hoffmann. 1980. Amorbia: A California avocado insect pest. UC Leaflet 21156. 4 pp.

Bailey, J. B., and M. P. Hoffmann. 1980. Seasonal population trends of avocado worm pests. Avocado Society Yearbook. 64: 123-130.

Bailey, J. B., and M. P. Hoffmann. 1980. Pesticide experiments for a California avocado IPM program. Avocado Society Yearbook. 64: 107-122.

Hoffmann, M. P., J. B. Bailey, and L. M. McDonough. 1981. Field evaluation of the western avocado leafroller sex pheromone. Pacific Branch, Entomological Society of America, Oakland, California. (abstr.)

Bailey, J. B., M. P. Hoffmann, and K. N. Olsen. 1981. Control of avocado brown mite, Oct. 1979. Insecticide and Acaricide Tests. 7: 41.

Bailey, J. B., and M. P. Hoffmann. 1981. Control of Amorbia cuneana (Lepidoptera: Tortricidae) on avocados, California, Nov. 1979. Insecticide and Acaricide Tests. 7: 43.

Bailey, J. B., M. P. Hoffmann, and K. N. Olsen. 1981. Omnivorous looper control on avocados, Jan. 1980. Insecticide and Acaricide Tests. 7: 41.

Bailey, J. B., and M. P. Hoffmann. 1981. Omnivorous looper control on avocados, April 1980. Insecticide and Acaricide Tests. 7: 42.

Bailey, J. B., and M. P. Hoffmann. 1981. Aerial applications of Lannate for control of omnivorous looper on avocados, July 1980. Insecticide and Acaricide Tests. 7: 42.

Sances, F. V., N. C. Toscano, M. P. Hoffmann, L. F. LaPre, M. W. Johnson, and J. B. Bailey. 1981. Avocado brown mite feeding injury on avocado. Avocado Society Yearbook. 65: 119-123.

Bailey, J. B., and M. P. Hoffmann. 1981. Entomologists build IPM program for growers. Avocado Grower 5: 30-35.

Bailey, J. B., and M. P. Hoffmann. 1981. Blacklight traps enable researchers to predict looper, Amorbia flights. Avocado Grower 5: 14-16.

Bailey, J. B., M. P. Hoffmann, and L. M. McDonough. 1981. Field development of the western avocado leafroller sex pheromone. Avocado Society Yearbook. 65: 143-151.

Bailey, J. B., M. P. Hoffmann, and K. N. Olsen. 1981. Omnivorous looper control on avocados, July 1980. Insecticide and Acaricide Tests. 7: 42.

Bailey, J. B., and M. P. Hoffmann. 1981. Efficacy of Thuricide HPC for control of omnivorous looper, aerial application, July 1980. Insecticide and Acaricide Tests. 7: 43.

Hoffmann, M. P., J. B. Bailey, and K. N. Olsen. 1981. Control of Amorbia cuneana Lepidoptera: Tortricidae) on avocados, California, Nov. 1980. Insecticide and Acaricide Tests. 7: 45.

Bailey, J. B., M. P. Hoffmann, and K. N. Olsen. 1981. Aerial applications for control of Amorbia cuneana (Lepidoptera: Tortricidae) on avocados, Dec. 1980. Insecticide and Acaricide Tests. 7: 44.

Bailey, J. B., M. P. Hoffmann, and K. N. Olsen. 1981. Avocados, tests of acaricides, Aug. 1981. Insecticide and Acaricide Tests. 7: 44.

Bailey, J. B., M. P. Hoffmann, and K. N. Olsen. 1981. Control of sixspotted mite on avocados, Sept. 1981. Insecticide and Acaricide Tests. 7: 45.

Zalom, F. G., L. T. Wilson, and M. P. Hoffmann. 1984. Damage thresholds for California processing tomatoes. Pacific Branch meeting, Entomological Society of America, Salt Lake City, Utah. (abstr.)

Hoffmann, M. P., L. T. Wilson, and F. G. Zalom. 1985. Survivorship, developmental rate and feeding patterns of Heliothis zea on processing tomatoes. Pacific Branch meeting, Entomological Society of America, Honolulu, Hawaii. (abstr.)

Hoffmann, M. P., C. V. Weakley, L. T. Wilson, and F. G. Zalom (Scientific Consultants). 1985. Worm sampling methods for processing tomatoes. 19 minute video tape. Cooperative Extension, University of California.

Hoffmann, M. P., F. G. Zalom, P. A. Roberts, and L. T. Wilson. 1986. Potato aphid control with nematicides/insecticides. Insecticide and Acaricide Tests. 11: 192-193.

Hoffmann, M. P., T. Wilson and F. Zalom. 1986. Temporal and spatial distribution of Heliothis zea eggs in processing tomatoes. Pacific Branch Meeting, Entomological Society of America, San Diego, CA. (abstr.)

Hoffmann, M. P., L. T. Wilson and F. G. Zalom. 1987. Egg parasitism of lepidopterous pests of processing tomatoes. Pacific Branch Meeting, Entomological Society of America, Portland, OR. (abstr.)

Hoffmann, M. P., F. G. Zalom and L. T. Wilson. 1987. Evaluation of insecticides for control of stink bugs on processing tomatoes. Insecticide and Acaricide Tests 12: 153-154.

Hoffmann, M. P., F. G. Zalom and L. T. Wilson. 1987. Aerial applications of insecticides for control of stink bugs on processing tomatoes. Insecticide and Acaricide Tests 12: 153-154.

Hoffmann, M. P., L. T. Wilson and F. G. Zalom. 1987. Control of stink bugs in tomatoes. The California Tomato Grower 7: 4-8.

Wilson, L. T. and M. P. Hoffmann. 1988. Biological control of the southern green stink bug, Nezara viridula. In E. Chan, L. Rosenthal and M. van Horn (eds.). Student Experimental Farm Journal 1986-87. UC Sustainable Agriculture Program.

Aldrich, J. R., W. R. Lusby, J. P. Kochansky, M. P. Hoffmann, L. T. Wilson and F. G. Zalom. 1988. Lygus bug pheromones vis-a-vis stink bugs. pp. 213-216. In Proceedings Beltwide Cotton Prod. Res. Conf. Nat. Cotton Council of Amer. New Orleans, LA.

Hoffmann, M. P., L. T. Wilson, F. G. Zalom, and R. A. Dunn. 1988. Release and recovery of Trissolcus basalis (Wollaston) in northern California. Pacific Branch Meeting, Entomological Society of America, Oakland, CA. (abstr.)

Awan, M. S., M. P. Hoffmann, and L. T. Wilson. 1988. Comparative study of biology and behavior patterns of three biotypes of Trissolcus basalis (Wollaston). Pacific Branch Meeting, Entomological Society of America, Oakland, CA. (abstr.)

Hoffmann, M. P., L. T. Wilson and F. G. Zalom. 1989. Parasitism of Heliothis zea (Boddie) eggs and impact on pest management decision rules for processing tomatoes in the Sacramento Valley of California. International Vedalia Symposium on Biological Control: A Century of Success. March 27-30. Riverside, California. p. 81. (abstr.)

Hoffmann, M. P., L. T. Wilson and F. G. Zalom. 1989. Area-wide trapping of Heliothis zea in the San Joaquin and Sacramento Valleys. Pacific Branch Meeting, Entomological Society of America, Ventura, CA. (abstr.)

Kirk, M., H. Ferris, D. Grimes, M. Hoffmann, K. Klonsky, T. Lanini, B. Liebhardt, J. Marois, K. Scow, M. Stimmann, S. Temple, L. Wilson and F. Zalom. 1990. A comparison of conventional, low-input and organic farming systems: The transition phase and long-term viability. Sustainable Agriculture in California: A research symposium. March 15-16. Sacramento, CA. (abstr.)

Hoffmann, M. P. 1991. Naturally occurring biological control in California processing tomatoes and impact on pest management program. Symposium on Ecological Agriculture. Ecological Agriculture Research Collective. Cornell University, Ithaca. (abstr.)

Hoffmann, M. P. 1991. Biological control of vegetable insect pests: Need, status and potential. pp. 1-2. In Proceedings, 53rd Annual New York State Pest Management Conference. November 11-14, Ithaca, NY.

Hoffmann, M. P., J. Nyrop & R. Straub. 1991. Development and implementation of a sequential sampling plan for Lepidopterous pests of fresh market sweet corn. pp. 41-45. In Proceedings, 53rd Annual New York State Pest Management Conference. November 11-14, Ithaca, NY.

Hoffmann, M. P., R. Straub, A. M. Shelton, M. McLeod & D. M. Riggs. 1991. Parasitism of Lepidopterous pests of sweet corn. pp. 46-50. In Proceedings, 53rd Annual New York State Pest Management Conference. November 11-14, Ithaca, NY.

Shelton, A. M., M. P. Hoffmann, P. J. Cameron & C. H. Petzoldt. 1991. Parasitism of diamondback moth in cabbage. pp. 72-80. In Proceedings, 53rd Annual New York State Pest Management Conference. November 11-14, Ithaca, NY.

Kirkwyland, J. J. & M. P. Hoffmann. 1991. Development of trapping system for cucumber beetles. pp. 127-132. In Proceedings, 53rd Annual New York State Pest Management Conference. November 11-14, Ithaca, NY.

Ghidiu, G. M. & M. P. Hoffmann. 1992. Melon aphids in the northeast. New Jersey Grower. New Jersey Cooperative Extension Newsletter. 15:4-5.

Hoffmann, M. P. 1992. Integrated pest management. pp. 18-19. In Proceedings, Sustainable Development and Biodiversity: Conflicts and Complementarities. Sept. 19-22, 1991. Cornell University, Ithaca.

Hoffmann, M. P. 1992. Recent developments in sweet corn: Sequential sampling and biological control. pp. 5-8. In Proceedings, New York State Vegetable and Direct Marketing Conference. Jan. 27-29, Rochester, NY.

Hoffmann, M. P. 1992. Cucumber beetle management: A progress report. pp. 61-64. In Proceedings, New York State Vegetable and Direct Marketing Conference. Jan. 27-29, Rochester, NY.

Petzoldt, C., L. Pedersen, A. Shelton, R. Derksen & M. Hoffmann. 1992. Comparison of pest management systems in cabbage. pp. 151-156. In Proceedings, 54th Annual New York State Pest Management Conference. November 9-12, Ithaca, NY.

Hoffmann, M. P., L. Pedersen, M. Orfanedes, R. Straub & A. Shelton. 1992. Corn flea beetle seasonal activity and control. pp. 112-122. In Proceedings, 54th Annual New York State Pest Management Conference. November 9-12, Ithaca, NY.

Hoffmann, M. P., A. M. Shelton & R. Straub. 1992. Biological control of European corn borer. pp. 126-131. In Proceedings, 54th Annual New York State Pest Management Conference. November 9-12, Ithaca, NY.

Petzoldt, C. H., L. Pedersen, A. M. Shelton. R. Derksen & M. P. Hoffmann. 1993. Comparison of pest management systems in cabbage. pp. 57-59. In Proceedings, State Horticultural Association of Pennsylvania.

Hoffmann, M. P. 1993. An introduction to biological control. pp. 49-52. In Proceedings, New York State Vegetable Conference. Feb. 2-4, Syracuse, NY.

Hoffmann, M. P. 1993. Cucumber beetles and corn rootworms in vine crops. pp. 32-35. In Proceedings, New York State Vegetable Conference. Feb. 2-4, Syracuse, NY.

Hoffmann, M. P., M. Orfanedes & L. Pedersen. 1993. Behavior and control of corn flea beetle. pp. 176-179. In Proceedings, New York State Vegetable Conference. Feb. 2-4, Syracuse, NY.

Petzoldt, C., L. Pedersen, A. Shelton. R. Derksen & M. P. Hoffmann. 1993. Comparison of pest management systems in cabbage. pp. 141-144. In Proceedings, New York State Vegetable Conference. Feb. 2-4, Syracuse, NY.

Kirkwyland, J. J. & M. P. Hoffmann. 1993. Biological control of European corn borer with Trichogramma: Update and plans. Symposium on Agricultural Ecology. Ecological Agriculture Research Collective. Cornell University, Ithaca. (abstr.)

Hoffmann, M. P. 1993. Strategies for extending the concept and practice of biological control to agricultural and urban audiences. Symposium on Agricultural Ecology. Ecological Agriculture Research Collective. Cornell University, Ithaca. (abstr.)

Hoffmann, M. P. & J. J. Kirkwyland. 1993. Evaluation of Semiochemical-baited traps for cucumber beetles, Acalymma vittatum (F.) and Diabrotica undecimpunctata howardi Barber, and the corn rootworms D. virgifera virgifera LeConte and D. barberi Smith and Lawrence (Coleoptera: Chrysomelidae) in cucurbits. Eastern Branch Meeting, Entomological Society of America, Feb. 21-24, Williamsburg, VA. (abstr.)

Hoffmann, M. P., M. S. Orfanedes & L. H. Pedersen. 1993. Seasonal phenology, distribution, and control of the corn flea beetle, Chaetocnema pulicaria Melsheimer (Coleoptera: Chrysomelidae) in sweet corn. Eastern Branch Meeting, Entomological Society of America, Feb. 21-24, Williamsburg, VA. (abstr.)

Knodel, J. J., L. H. Pedersen, J. G. Gibbons, M. S. Orfanedes, M. P. Hoffmann, C. H. Petzoldt, and A. M. Shelton. 1993. Implementation of pheromone trapping network in the processing sweet corn IPM program in New York state. Eastern Branch Meeting, Entomological Society of America, Feb. 21-24, Williamsburg, VA. (abstr.)

Hoffmann, M. P. 1993. IPM/Biocontrol - Challenges and economic benefits of biological pest control in vegetable crops. pp. 194-200. In Proceedings, Governor's Conference on Agricultural Science and Technology. Nov. 9-10, Albany, NY.

Hoffmann, M. P. & C. H. Petzoldt. 1993. Demonstration of integrated pest management programs for onions in New York. pp. 38-43. In Proceedings, National Onion Research Conference. Dec. 9-11, Ithaca, NY.

Hoffmann, M. & J. Sanderson. 1993. Melon Aphid. Cornell Cooperative Extension Fact Sheet. 750.50. 2 pp.

Hoffmann, M. P. & A. C. Frodsham. 1993. Natural enemies of vegetable insect pests. Cooperative Extension, Cornell University. Slide set (91 slides)

Hoffmann, M. P. & A. Frodsham. 1993. Natural enemy database for northeastern US vegetable crops.

Hoffmann, M. P. & A. C. Frodsham. 1993. Natural enemies of vegetable insect pests. Cooperative Extension, Cornell University. 64 pp.

Hoffmann, M. P. 1994. Latest developments in cucumber beetle management. pp. 89-91. In Proceedings, New York State Vegetable Conference. Jan. 25-27, Syracuse, NY.

Hoffmann, M. P. 1994. Corn rootworms in sweet corn: Identification, damage, and management options. pp. 118-119. In Proceedings, New York State Vegetable Conference. Jan. 25-27, Syracuse, NY.

Riggs, D. M., M. P. Hoffmann & L. W. Thetford. 1994. Fresh market sweet corn IPM threshold trials. pp. 120-123. In Proceedings, New York State Vegetable Conference. Jan. 25-27, Syracuse, NY.

Hoffmann, M. P. & A. M. Shelton. 1994. Biological control of European corn borer. pp. 124-133. In Proceedings, New York State Vegetable Conference. Jan. 25-27, Syracuse, NY.

Petzoldt, C. H. & M. P. Hoffmann. 1994. Demonstration of integrated pest management programs for onions in New York. National IPM meetings, April 15, Las Vegas, NV. (abstr.)

Knodel, J. J., C. H. Petzoldt, M. P. Hoffmann & A. M. Shelton. 1994. Processing sweet corn IPM program in New York state. National IPM meetings, April 15, Las Vegas, NV. (abstr.)

Pickett, C. H., S. E. Schoenig & M. P. Hoffmann. 1994. Importation and establishment of Trichopoda pennipes for control of the squash bug. Pacific Branch Meeting, Entomological Society of America, June 20-23, Sparks, NV (abstr.)

Hoffmann, M. P. & T. A. Zitter. 1994. Cucumber beetles, corn rootworms, and bacterial wilt in cucurbits. Cornell Cooperative Extension Fact Sheet. 781.00.

Zitter, T. A., M. P. Hoffmann, M. T. McGrath & C. H. Petzoldt. 1994. Cucurbit IPM scouting procedures. NYS Integrated Pest Management Program. IPM Bull. No. 113.

Schoenig, S., C. H. Pickett & M. Hoffmann. 1994. Importation of the tachinid fly, Trichopoda pennipes (Fabricius) for the biological control of the squash bug, Anasa tristis (De Geer). p. 13. In Biological control program annual summary, 1993. M. Bezart (ed.). Calif. Dept. of Food and Agriculture.

Knodel, J. J., C. H. Petzoldt & M. P. Hoffmann. 1995. Pheromone traps - Effective tools for monitoring Lepidopterous insect pests of sweet corn. Cornell Cooperative Extension Fact Sheet. 795.00

Petzoldt, C. H. and M. P. Hoffmann. 1992-95. (co-editors) Fresh market sweet corn IPM scouting procedures. NYS Integrated Pest Management Program. Publ. No. 111FM.

Hoffmann, M. P. 1995. Aphid pests of cabbage: Biology and management. p.1. In Proceedings, New York State Vegetable Conference. Feb. 14-16, Syracuse, NY.

Hoffmann, M. P. 1995. Improving cucumber beetle management: Resistant varieties, damage assessment and attractants. pp. 34-37. In Proceedings, New York State Vegetable Conference. Feb. 14-16, Syracuse, NY.

Hoffmann, M. P. 1995. Corn rootworms and cutworms in sweet corn: Life histories and management considerations. pp. 67-69. In Proceedings, New York State Vegetable Conference. Feb. 14-16, Syracuse, NY.

Hoffmann, M. P. 1995. Implications for reduced pesticide registrations and use: Can biological pest control replace pesticides? Annual Meeting of the American Association for the Advancement of Science. Feb. 16-21, Atlanta, GA. (abstr.)

Hoffmann. M. P., C. H. Petzoldt & A. C. Frodsham. 1996. Integrated pest management for onions. Cooperative Extension, Cornell University. 78 pp.

Hoffmann, M. 1996. Squash bugs and cucumber beetles: Life histories and management considerations. pp. V4-V7. In Proceedings, New York State Vegetable Conference. Feb. 6-8, Syracuse, NY.

Hoffmann, M. 1996. Influence of temperature on European corn borer infestations. pp. SC6-SC7. In Proceedings, New York State Vegetable Conference. Feb. 6-8, Syracuse, NY.

Hoffmann, M. 1996. Corn rootworm management: Recent research results. pp. SC4-SC5. In Proceedings, New York State Vegetable Conference. Feb. 6-8, Syracuse, NY.

Hoffmann, M. P., C. Petzoldt, D. Prostak, S. Fleischer, S. Spangler, S. Reiners, T. Zitter, R. Bellinder and A. Shelton. 1996. Integrated pest management for diversified fresh market vegetable producers in New Jersey, New York and Pennsylvania: An IPM Initiative Project. National IPM Symposium/Workshop, Feb. 27-March 1. Washington, DC. (abstr.)

McDonald, D. G., C. J. Glynn, M. P. Hoffmann and C. H. Petzoldt. 1996. Levels of analysis in integrated pest management research. National IPM Symposium/Workshop, Feb. 27-March 1. Washington, DC. (abstr.)

Schmaedick, M. A., A. M. Shelton and M. P. Hoffmann. 1996. Biological control of Pieris rapae by arthropod predators in cabbage. Cornell Community Conference on Biological Control. April 11-13. Cornell University, Ithaca, NY. (abstr.)

Shelton, A. M., H. G. Craighead, M. P. Hoffmann and S. W. Turner. 1996. Fabrication of artificial eggs for biological control programs. Cornell Community Conference on Biological Control. April 11-13. Cornell University, Ithaca, NY. (abstr.)

Hoffmann, M. 1997. Biological control of insect pests of vegetables. pp. 35-36. In Proceedings, 1997 Pennsylvania Vegetable Conference and Trade Show. Jan. 28-30, Hershey, PA.

Schmaedick, M. A., A. M. Shelton, and M. P. Hoffmann. (in press). Control of cabbage Lepidoptera by naturally occurring arthropod predators. In Proceedings 3rd International Workshop on the Management of Diamondback Moth and Other Crucifer Pests. 29 Oct.-1 Nov. 1996, Kuala Lumpur, Malaysia.

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