LAPHRIA. 



GENERIC CHARACTERS. 



Body elongated; wings incumbent: antennae 

 divaricating, approximate at base, three-jointed; 

 third joint inarticulate, obtuse, and destitute of a 

 style : front impressed : hypostoma with long 

 rigid hairs : proboscis horizontal, short, without 

 dilated labia : poisers naked : abdomen with 

 seven segments : posterior tibia arquated : tarsi 

 terminated by two nails and two pulvilli. 



OBSERVATIONS. 



The genus Laphria, of Meigen, is perfectly 

 well distinguished from its neighbouring groups 

 by the above stated traits, and has received the 

 approbation of all recent authors who are willing 

 to keep pace with modern discoveries. The ar- 

 rangement of the nervures of the wings, particu- 

 larly of those of the anterior margin, is very 

 similar to that of the wing nervures in the genus 

 Asilus, as restricted by the same author ; but 

 the form of the antennae, in this case, at once 



PLATE VI. 



