Philaenus spumarius
Pest description and crop damage Nymphs stunt plant growth and are recognized easily by spittle mass. An average of one nymph or more per stem may damage alfalfa, clover, and many other crops.
Management-chemical control
- malathion at 1 to 1.25 lb ai/A. Apply to plants in bloom only in evening or early morning, when bees are not working in the fields or hanging on the outside of the hives.