The potato tuberworm, Phthorimaea operculella (Zeller), is a worldwide pest of solanaceous
crops especially devastating to potatoes. Adults mate and lay eggs in foliage or tubers …

Species diversity at lower trophic levels generally improves ecosystem functioning.
However, the impact of greater predator diversity on herbivore regulation is uncertain …

We examined the potential of a guild of generalist predators to control Colorado potato
beetles (“CPB,” Leptinotarsa decemlineata) on potato. We were interested in determining …

Abstract In the northwestern United States, insect pests of potatoes (Solanum tuberosum L.)
have typically been controlled using broad-spectrum insecticides. However, the loss or …

The potato tuberworm Phthorimaea operculella Zeller, is one of the most important potato
pests worldwide including China. Several reports indicate that P. operculella could be …

In Washington State two insect herbivores commonly co-occur on potato (Solanum
tuberosum L.), the green peach aphid (“GPA,” Myzus persicae Sulzer) and the Colorado …

Agricultural habitats are the recipients of ecosystem services provided by mobile arthropods
like pollinators and natural enemies. These organisms can disperse between non‐crop …

Conservation biological control programs seek to increase natural enemy densities through
the adoption of more benign farming practices, under the assumption that higher predator …

Aphidophagous ladybird beetles (Coleoptera: Coccinellidae) are attracted to and feed
heavily on aphids, but many species will also feed opportunistically on other prey that they …

This publication addresses pest management guidelines for insects that attack potatoes in
the Pacific Northwest of the United States (Fig. 1). Non-chemical control options are strongly …