Soil-cocoons
Guides
Cephidae
Stem Sawflies
Cephidae is a family of stem sawflies in the order Hymenoptera, comprising approximately 27 genera and over 160 described species. Most species occur in the Northern Hemisphere, particularly in Eurasia. Larvae are endophagous stem borers in various plants, especially grasses and cereal grains, with several species being significant agricultural pests including Cephus cinctus on wheat and Janus rufiventris on corn. Adults are exceptionally slender for symphytans and often resemble other insects.