Western flower thrips are major pests to lettuces, cabbage, and spinach because of the damage they cause to these plants. This article describes their development, Economic Damage, and suggestions for their management.
Aphids feed in groups, often on the growing tips of plants. This article describes the complex of Aphids that can be found on alfalfa and discusses damages, monitoring, control, and when to treat for them.
The first sign of a potential alfalfa caterpillar (Colias eurytheme) outbreak is the influx of large numbers of yellow or white butterflies in late spring or early summer. This article discusses their biology, the damages they cause, types of control, and when to treat for them.
ARIZONA PEST MANAGEMENT CENTER
University of Arizona College of Agriculture and Life Sciences Maricopa Agricultural Center