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Using volunteer-based networks to track Drosophila suzukii (Diptera: Drosophilidae) an invasive pest of fruit crops

Burrack, Hannah J.; Smith, J. Powell; Pfeiffer, Douglas G.; Koeher, Glen; LaForest, Joseph (2012)

The Spotted Wing Drosophila Volunteer Monitoring Network (SWD*VMN) was developed in 2010. Initial monitoring efforts included North Carolina, South Carolina, and Virginia and now include 15 states in the eastern United ...

Handheld applications in fruit extension delivery

Pfeiffer, Douglas G.; Love, K. (2007)

Cucumber pollen germination and tube elongation inhibited or reduced by pesticides and adjuvants

Gentile, A. G.; Vaughan, A. W.; Pfeiffer, Douglas G. (1978)

Brown Marmorated Stink Bug in the Mid-Atlantic States: Assessing Grower Perceptions, Economic Impact, and Progress

Dellinger, Theresa A.; Day, Eric R.; Pfeiffer, Douglas G.

Host plants and associated trophobionts of the weaver ants Oecophylla spp. (Hymenoptera: Formicidae)

Lim, Grace T.; Kirton, Laurence G.; Salom, Scott M.; Kok, Loke T.; Fell, Richard D.; Pfeiffer, Douglas G. (2008)

Weaver ants (Oecophylla spp.) are often found on plants with insect symbionts (trophobionts), but the extent of such associations is not known. Examination of literature records of weaver ant host plants from 1900 to 2006 ...

Expansion of the range of Pierce’s disease in Virginia

Wallingford, Anna K.; Tolin, Sue A.; Myers, Ashley L.; Wolf, Tony K.; Pfeiffer, Douglas G. (2007)

Pierce’s disease (PD) is a vascular disease of grapes caused by the bacterium Xylella fastidiosa Wells et al. and vectored by xylem-feeding sharpshooters (1). Symptoms of PD occur when bacteria proliferate the xylem; ...

Relative susceptibility to slide-dip application of cyhexatin in three populations of Panonychus ulmi (Koch) in Virginia apple orchards

Pfeiffer, Douglas G.; Pfeiffer, S. W. (1986)

Effect of tree fertilization on numbers and development of pear psylla (Homoptera: Psyllidae), and on fruit damage

Pfeiffer, Douglas G.; Burts, E. C. (1983)

Pest status of the brown marmorated stink bug, Halyomorpha halys in the USA

Leskey, Tracy C.; Hamilton, G. C.; Nielsen, A. L.; Polk, D. F.; Rodriguez-Saona, C.; Bergh, J. Christopher; Herbert, D. Ames Jr.; Kuhar, Thomas P.; Pfeiffer, Douglas G.; Dively, G. P.; Hooks, C. R. R.; Raupp, M. J.; Shrewsbury, P. M.; Krawczyk, G.; Shearer, P. W.; Whalen, J.; Koplinka-Loehr, C.; Myers, Elizabeth; Inkley, D.; Hoelmer, K. A.; Lee, D.-H.; Wright, S. E. (2012-10-01)

Since its initial discovery in Allentown, PA, USA, the brown marmorated stink bug (BMSB), Halyomorpha halys (Heteroptera: Pentatomidae) has now officially has been detected in 38 states and the District of Columbia in the ...

Effects of field applications of paraquat on densities of Panonychus ulmi (Koch) and Neoseiulus fallacis (Garman)

Pfeiffer, Douglas G. (1986)

Neoseiulus fallacis (Garman) is the most important acarine predator of the European red mite, Panonychus ulmi (Koch), in sprayed apple orchards in the eastern United States [Poe, S. L., and W. R. Enns. 1969. ...