328 ORDER VI. Afilos. 



Schseffer defcribes the Afilus as follows : 



The antennae with a bridle arifing from a 

 cone. 



Three ftemmata. 



The mouth, with a probofcis, which is ex- 

 tended, horny, fetaceous, and bivalve. 



The thorax gibbous. 

 The abdomen attenuated. 



The feet made for running. 



The halteres very large. 



The feet of the Afili, as Geoffroy obferves, 

 are large, and the articulations, which are 

 five in number, fliort, and fhaped like a 

 heart. 



The Afilus is called, by fome authors, the 

 Wafp-Fly, and not improperly, fince, like the 

 Wafp, it flings feverely whatever offends it, 

 though with a different inftrument, viz. its 



probofcis, 



