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Chrysotoxum festivum

Most hover flies imitate wasps. They are black with yellow or white stripes or patches. There's a lot of variety among them both in size and colours. This is understandable, for so are wasps! By far the best wasp imposters are shown below. In the picture a fly from the genus Chrysotoxum. Not only do they have wasp like stripings, they also developed dark wings, resembling those of the social wasps. Their antennae are remarkable as well: extremely long and wasp like, not found in many other flies. Sometimes you have to look twice to see that it is a fly and not a wasp! The genus is notorious for the many look-a-like species. The larvae live in decaying wood.