Diglyphus isaea
visible in the crop. Introduction rates typically range from 0.25-3 per m 2 /release. Releases should be repeated at least 3 times at weekly intervals [...] serpentine leafminer ( Liriomyza trifolii ). The female wasp deposits her eggs inside the larvae of the leafminer, where the emerging larvae feed on the host’s [...] faeces. This is probably done to prevent the leaf collapsing should it dry out. At first, the pupa is green with red eyes subsequently turning black, and