Aphidius colemani
which enables the wasps to track down and parasitize aphids , even when they are at low density. The behaviour of the female during egg-laying is typical of [...] species, and whether it has not been parasitized before. If both criteria are met, then the second phase of parasitization will start. The female stands [...] usually continue to feed and secrete honeydew. Second and third instar aphids are preferred, but all stages can be parasitized, including winged aphids. Parasitized