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Hi, I have an opportunity to do some voluntary work with CEI (Cambodian Entomological Initiative) One entomologist and some students. Anyway I have offered to sort the diptera to family a bit and have a look at the Sciomyzidae, and a few other larger bodied families. So I am asking about keys, are there any for Asia. Also it might be useful to have a key to families, is there anything better for SE Asia than Oosterbroek?