Clover seed chalcid in alfalfa: No effective chemical control measures yet available for use against insect causing heavy losses to alfalfa seed growers

Abstract Not Available – First paragraph follows: A tiny wasp, the clover seed chalcid– Bruchophagus gibbus (Boh.)–is of increasing importance as a major pest in central California alfalfa seed producing areas. The insect has long been known in California and its damage has been particularly severe in the southern desert regions.