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Douglas G. Pfeiffer
Professor Department of Entomology 205C Price Hall Virginia Tech Blacksburg, VA 24061-0319 Ph. (540) 231-4183 Fax (540) 231-9131 Departmental bio page dgpfeiff at vt.edu |
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Douglas G. Pfeiffer
Professor Department of Entomology 205C Price Hall Virginia Tech Blacksburg, VA 24061-0319 Ph. (540) 231-4183 Fax (540) 231-9131 Departmental bio page dgpfeiff at vt.edu |
Tedeschini,
J., B. Stamo and D. Pfeiffer. 2006. Menaxhimi i paraziteve ne ullishtet organike.
[Biological management in organic olive production.]
Plant Protection Institute.
Tedeschini,
J., B. Stamo and D. Pfeiffer. 2005. Menaxhimi i integruar i paraziteve te ullirit.
[Integrated and biological management in olive.]
Plant Protection Institute.
Шестопал, З. А., Д. Г. Файфер i Г. С. Шестопал. 1999. Довiдник з iнтегрованого захисту плодово-ягiдних культур вiд шкiдникiв i хвороб. [Shestopal, Z. A., D. G. Pfeiffer and G. C. Shestopal. Integrated pest management for orchards and small fruit crops.] Kyiv Horticultural Institute. L'viv, Ukraine. [in Ukrainian]
Book ChaptersPfeiffer, D. G., J. Tedeschini, L. Daku, M.
Hasani, R. Uka, B. Stamo and B. Ferraj. 2005.
Developing IPM packages in
eastern Europe: Participatory IPM research in
Albanian olives. p. 121-139 p. In G.
W. Norton, E.A.
Heinrichs, G. C. Luther, M. E. Irwin. (eds.) Globalizing Integrated
Pfeiffer, D. G. 2000. Selective insecticides. p. 131-144. In J. E. Rechcigl and N. A. Rechcigl (eds). Integrated Pest Management: Techniques for Environmental Protection. Lewis.
Pfeiffer, D. G. 1997. Deciduous fruit trees. p. 293-322. In: Y. Ben-Dov & C. J. Hodgson (eds.) Soft Scale Insects: Their Biology, Natural Enemies and Control. World Crop Pests, vol 7B. Elsevier, Amsterdam.
Papers Published in
Refereed
Journals (* denotes graduate student)
McClanan, M. E.*, S. Luckhart and D. G. Pfeiffer. 2004. Use of random amplified polymorphic DNA polymerase chain reaction (RAPD-PCR) to differentiate populations of plum curculio, Conotrachelus nenuphar (Herbst). J. Entomol. Sci. 39: 117-121.
McClanan, M. E.*, S. Luckhart and D. G. Pfeiffer. 2004. Wolbachia strains associated with univoltine and multivoltine plum curculios. J. Entomol. Sci. 39: 132-135
Metzger, J. A.* and D. G. Pfeiffer. 2002. Topical toxicity of pesticides used in Virginia vineyards to the predatory mite, Neoseiulus fallacis (Garman). J. Entomol. Sci. 37: 329-337.
Gronning, E. K.*, D. M. Borchert*, D. G. Pfeiffer, C. M. Felland, J. F. Walgenbach, L. A. Hull and J. C. Killian. 2000. Effect of specific and generic pheromone blends on captures in pheromone traps by four leafroller species in mid-Atlantic apple orchards. J. Econ. Entomol. 93: 157-164.
Pfeiffer, D. G., J. C. Killian and K. S. Yoder. 1999. Clarifying the roles of white apple leafhopper and potato leafhopper (Homoptera: Cicadellidae) in fire blight transmission in apple. J. Entomol. Sci. 34: 314-321.
Pfeiffer, D. G. and J. C. Killian. 1999. Dogwood borer (Lepidoptera: Sesiidae) flight activity and an attempt to control damage in `Gala' apples using mating disruption. J. Entomol. Sci. 34: 210-218
Welker, R. M.*, R. P. Marini and D. G. Pfeiffer. 1996. Ultrastructural and surface features of apple leaves following white apple leafhopper feeding. HortScience 31: 249-251.
Welker, R. M.*, R. P. Marini and D. G. Pfeiffer. 1995. Influence of first-generation white apple leafhopper (Homoptera: Cicadellidae) and leaf-to-fruit ratio on apple fruit size and quality. J. Econ. Entomol. 88: 959-964.
Pfeiffer, D. G. and E. K. Gronning*. 1995. Spotted fireworm (Lepidoptera:Tortricidae) in variegated leafroller pheromone traps, and its orientation to traps in variegated leafroller pheromone-permeated orchards. J. Agric. Entomol. 12: 21-24.
Marini, R. P., D. G. Pfeiffer and D. S. Sowers. 1994. Influence of European red mite (Acari: Tetranychidae) and crop density on fruit size and quality and on crop value of `Delicious' apples. J. Econ. Entomol. 87: 1302-1311.
Kaakeh, W.*, D. G. Pfeiffer and R. P. Marini. 1993. Effect of Aphis spiraecola and Aphis pomi (Homoptera: Aphididae) on the growth of young apple trees. Crop Protect. 12: 141-147.
Pfeiffer, D. G., W. Kaakeh, J. C. Killian, M. W. Lachance and P. Kirsch. 1993. Mating disruption to control damage by leafrollers in Virginia apple orchards. Entomol. Exp. Applic. 67: 47-56.
Pfeiffer, D. G., W. Kaakeh, J. C. Killian, M. W. Lachance and P. Kirsch. 1993. Mating disruption for control of damage by codling moth in Virginia apple orchards. Entomol. Exp. Applic. 67: 57-64.
Kaakeh, W.*, D. G. Pfeiffer and R. P. Marini. 1992. Combined effects of spirea aphid (Homoptera: Aphididae) and nitrogen fertilization on net photosynthesis, total chlorophyll content, and greenness of apple leaves. J. Econ. Entomol. 85: 939-946.
Kaakeh, W.*, D. G. Pfeiffer and R. P. Marini. 1992. Combined effects of spirea aphid (Homoptera: Aphididae) and nitrogen fertilization on shoot growth, dry matter accumulation, and carbohydrate concentration in young apple trees. J. Econ. Entomol. 85: 496-506.
Despins, J. L.*, E. C. Turner and D. G. Pfeiffer. 1991. Evaluation of methods to protect poultry house insulation from infestations by lesser mealworm (Coleoptera: Tenebrionidae). J. Agric. Entomol. 8: 209-217.
Pfeiffer, D. G., J. C. Killian, E. G. Rajotte, L. A. Hull and J. W. Snow. 1991. Mating disruption for reduction of damage by lesser peachtree borer (Lepidoptera: Sesiidae) in Virginia and Pennsylvania peach orchards. J. Econ. Entomol. 84: 218-223.
Campbell, R. J. , K. N. Mobley, R. P. Marini and D. G. Pfeiffer. 1990. Growing conditions alter the relationship between SPAD-501 values and apple leaf chlorophyll. HortScience 25: 330-331.
Varn, M.* and D. G. Pfeiffer. 1989. Effect of rosy apple aphid and spirea aphid (Homoptera: Aphididae) on dry matter accumulation and carbohydrate concentration in young apple trees. J. Econ. Entomol. 82: 565-569.
Boucher, T. J.* and D. G. Pfeiffer. 1989. Influence of Japanese beetle (Coleoptera: Scarabaeidae) foliar feeding on `Seyval Blanc' grapevines in Virginia. J. Econ. Entomol. 82: 220-225.
Pfeiffer, D. G., M. W. Brown and M. W. Varn*. 1989. Incidence of spirea aphid (Homoptera: Aphididae) in apple orchards in Virginia, West Virginia, and Maryland. J. Entomol. Sci. 24: 145-149.
Pfeiffer, D. G. and J. C. Killian. 1988. Disruption of olfactory communication in oriental fruit moth and lesser appleworm in Virginia peach orchard. J. Agric. Entomol. 5: 235-239.
Boucher, T. J.*, D. G. Pfeiffer, J. A. Barden and J. M. Williams. 1987. Effects of simulated insect injury on net photosynthesis of potted grapevines. HortScience 22: 927-928.
Pfeiffer, D. G. and S. W. Pfeiffer. 1986. Relative susceptibility to slide-dip application of cyhexatin in three populations of Panonychus ulmi (Koch) in Virginia apple orchards. J. Agric. Entomol. 3: 326-328.
Pfeiffer, D. G. 1986. Effects of field applications of paraquat on densities of Panonychus ulmi (Koch) and Neoseiulus fallacis (Garman). J. Agric. Entomol. 3: 322-325.
Pfeiffer, D. G. 1986. Arytainilla spartiophila (Foerster) (Homoptera: Psyllidae) on Cytisus scoparius (L.) Link in Virginia: First record in eastern North America. J. Entomol. Sci. 21: 214-218.
Pfeiffer, D. G. 1985. Toxicity of avermectin B1 to San Jose scale (Homoptera: Diaspididae) crawlers, and effects on orchard mites by crawler sprays versus full-season applications. J. Econ. Entomol. 78: 1421-1424.
Pfeiffer, D. G. 1985. Pheromone trapping of males and prediction of crawler emergence for San Jose scale (Homoptera: Diaspididae) in Virginia apple orchards. J. Entomol. Sci. 20: 351-353.
Pfeiffer, D. G. and E. C. Burts. 1984. Effect of tree fertilization on protein and free amino acid content and feeding rate of pear psylla (Homoptera: Psyllidae). Environ. Entomol. 13: 1487-1490.
Pfeiffer, D. G. and E. C. Burts. 1983. Effect of tree fertilization on numbers and development of pear psylla (Homoptera: Psyllidae), and on fruit damage. Environ. Entomol. 12: 895-901.
Pfeiffer, D. G. and R. C. Axtell. 1980. Coleoptera of poultry manure in caged-layer houses in North Carolina. Environ. Entomol. 9: 21-28.
Gentile, A. G., A. W. Vaughan and D. G. Pfeiffer. 1978. Cucumber pollen germination and tube elongation inhibited or reduced by pesticides and adjuvants. Environ. Entomol. 7: 689-691.
Hagedorn, H. H., S. Turner, E. A. Hagedorn, D. Pontecorvo, P. Greenbaum, D. Pfeiffer, G. Wheelock and T. R. Flanagan. 1977. Postemergence growth of the ovarian follicles of Aedes aegypti. J. Insect Physiol. 23: 203-206.
Manuals
Hull, L. A., D. G. Pfeiffer and D. J. Biddinger. 1995. Apple - Direct pests. p. 5-17. In: H. W. Hogmire (ed.). 1995. Mid-Atlantic Orchard Monitoring Guide. Northeast Regional Agric. Engineer. Serv. Publ. 75, Ithaca. 361 p.
Pfeiffer, D. G. and H. W. Hogmire. 1995. Aphid predators. p. 75-80. In: H. W. Hogmire (ed.). 1995. Mid-Atlantic Orchard Monitoring Guide. Northeast Regional Agric. Engineer. Serv. Publ. 75, Ithaca. 361 p.
Pfeiffer, D. G. and R. L. Horsburgh. 1995. Pear - Indirect pests. p. 45-49. In: H. W. Hogmire (ed.). 1995. Mid-Atlantic Orchard Monitoring Guide. Northeast Regional Agric. Engineer. Serv. Publ. 75, Ithaca. 361 p.
Pfeiffer, D. G., L. A. Hull, D. J. Biddinger and J. C. Killian. 1995. Apple - Indirect pests. p. 18-43. In: H. W. Hogmire (ed.). 1995. Mid-Atlantic Orchard Monitoring Guide. Northeast Regional Agric. Engineer. Serv. Publ. 75, Ithaca. 361 p.
Pfeiffer, D. G. 1996. Applications of pheromone technology to pests in small fruit in the Northeast. p. 11-17. In C. Hollingsworth (ed). Implementing Pheromone Technology in the Northeast. Northeast Regional Agric. Engineer. Serv. Publ. 83, Ithaca. 65 p.
Extension Publications
Pfeiffer, D. G. (Bulletin Coordinator since 1988), J. C. Bergh, R. D. Fell, H. W. Hogmire, C. R. R. Hooks, R. Yuan, C. S. Walsh, K. S. Yoder, A. R. Biggs, J. B. Kotcon, A. DeMarsay, J. F. Derr, R. S. Chandran, M. J. Weaver, J. F. Baniecki, A. Brown and J. Parkhurst. 2009. 2009 Spray Bulletin for Commercial Tree Fruit Growers. Va. Coop. Ext. Publ. 456-419. (A regional publication between Virginia, West Virginia and Maryland; hard copy $12.60, Extension Distribution Center)
Pfeiffer, D. G., K. S. Yoder and C.
Bergh.
2009. Commercial
Small
Fruits: Disease and Insects. p. 2-1
- 2-14
In: 2009 Pest
Management
Guide for Horticultural and Forest Crops. Va. Coop. Ext. Pub. 456-017.
(hard copy $6.00 plus $5.27 shipping for individual copies, Extension
Distribution Center))
Pfeiffer, D. G., A. B. Baudoin and J. C. Bergh. 2009. Grapes: Diseases, Insects, and Weeds. p. 3-1 - 3-14. In: 2009 Pest Management Guide for Horticultural and Forest Crops. Va. Coop. Ext. Pub. 456-017. (hard copy $6.00 plus $5.27 shipping for individual copies, Extension Distribution Center))
Yoder, K. S., D. G. Pfeiffer and J. C.
Bergh.
2009. Home
Fruit:
Diseases
and Insects. p. 3-1 - 3-24. In: 2009 Pest Management Guide
for
Home
Grounds and Animals. Va. Coop. Ext. Pub. 456-018. (hard copy $5.00 plus $5.27 shipping for
individual copies, Extension Distribution Center))
Entomology 5114, "Insect
Structure and Function". Fall semesters, odd years, starting in
1995.
3 cr.
On-line Masters of
Agriculture and Life Sciences, director and
instructor for Entomology
5234 Managing Arthropod Pests (see
2007-2008 Extended Campus tuition rates)
(Public Introduction
and Student Orientation)
Graduate Students
Honor Societies