Adult light brown apple moth (Photo by Jack Kelly Clark, UC IP) Nursery workers are our first line of defense in detecting light brown apple moth when growing ornamental plants in commercial nurseries.
Adult male spotted wing drosophila. Note the dark spot on the tip of its wings. (Photo by Larry L. Strand) It's cherry growing season and a good time to begin looking for spotted wing drosophila (SWD), Drosophila suzukii.
Adult and nymphal stages of the Asian citrus psyllid, Diaphorina citri (Photo by Michael Rogers, UC) An Asian citrus psyllid (ACP) was found on a trap in southern Arroyo Grande last week (identification was made by CDFA on 26 March, 2014).
Adult weeping fig thrips, larva, and eggs. (Photo by Gevork Arakelian, Senior Biologist, Los Angeles County) Another exotic pest has recently found its way to California.
Early symptoms of downy mildew - stunted growth and yellowing compared to healthy leaf (right). (Photo by Margery Daughtrey, Cornell University) One of California's most adored flowering plants, impatiens, is being threatened by a serious pest.
