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Cephus cinctus (click on image to enlarge it)
Author(s): Willow Warren, Department of Agriculture Western Australia
Source: PaDIL
Vernacular names
• Deutsch: Halmwespen
• English: stem sawflies

Cephidae (stem sawflies)

The family contains more than 100 species of medium-sized and elongated wasps, found mainly in temperate regions of the northern hemisphere. It includes several important agricultural pests like the wheat stem sawfly. The larvae bore into stems and shoots of plants.

The species do not have the typical wasp morphology, the abdomen is broadly joined with the thorax and not constricted. They are slender with a large and moveable prothorax. Typically the adults are between 5 and 15 mm long, mostly black and often with narrow yellow bands.

The following genera are currently entered under Cephidae: