102 DIPTERA. 



and are great tormentors of horses and cattle. 

 Their metamorphosis is unknown. 



SPECIFICATION. 



Conors subcoleoptrata. C. antennis setariis, 

 abdomine subferrugineo, alis prsemorsis externe 

 crassioribus. Linn. Si/st. Nat. l.p. 1006. 

 Panzer, Faun. Ins. Germ. fasc. 74. 1. 13. Thereva. 

 Inhabits Europe, and is found in Germany, &c. 

 PL 69. a f Natural size, b, The same magnified, 

 c. The antennae. 



