While examining what I thought was a Peruvian Mesembrinella (Calliphoridae, Mesembrinellinae) I realized that I was in fact looking at a tachinid – with a normal metathoracic spiracle and no pale hairs under the scutellum. Then when I examined my trap of Mesembrinella I found 2 more from French Guiana. They key out to Scotiptera (Dexinae) and ...