A few forgotten French Guianan insects 6

A few forgotten French Guianan insects
The other night I was looking through an old box of insects and discovered 5 trays of mixed French Guianan insects from my trip there in 2000. Most are Hymenoptera but there are a few interesting Diptera and other orders so I have decided to mount them and see who would like them. More photos ...

Mimicry in neotropical Asilidae 1

Mimicry in neotropical Asilidae
These are a few asilids I picked up in French Guiana, collected along forest edges in clearings where they sun themselves. When compared to bees of the genus Eulaema it is clear that they are very strong mimics but it is unclear to me why they copy Eulaema and not one of the other, commoner ...