The turnip sawfly is a typical sawfly with dark green or blackish 18–25 mm long larvae that feed on plants of the brassica family, and can sometimes be a pest. It winters below the ground, emerging in early summer as a 7–8 mm adult with a mainly orange body and a black head. The adult feeds on nectar.
The turnip sawfly was found to result in diploid males and females after sister-brother matings. This differs from normal haplodiploid hymenoptera and after a further cross causing.. more