Beers, E.

Elizabeth Beers

Conservation Biology of Syrphids, Predators of Woolly Aphid in Central Washington.

Woolly apple aphid Eriosoma lanigerum is a secondary pest whose outbreaks have occurred more often since about 2000. The increase in aphid outbreaks appears to be associated with the changes in pesticide programs and disruption of biological control. Nevertheless, there is a good opportunity for biological control of this pest in orchards under “soft” pesticide […]