100 DIPTERA. 



little moveable stems : in the male, by a double 

 scaly piece with two hooks, with which the 

 insect grapples with the female when he wishes 

 to confine her. 



The larvae are not known. The perfect in- 

 sects frequent gardens, and are found about 

 flowers. 



SPECIFICATION. 



Empis pennipes. E. antennis filatis nigra, pedibus 

 posticis longis alterius sexus pennatis. Linn. 

 Syst. Nat. 1. p. 1003. Gmel.p. 2889. Fabr. Spec. 

 Ins. 2. p. 471. Mant. Ins. 2. p. 364. Ent. Syst. 4. 

 p. 404. 

 Sulz. Ins. t. 21. f. 137. 

 Panzer, Faun. Ins. Germ. fasc. 74. 1. 18. 

 Inhabits Europe, and frequents the flowers of the 

 Geranium sylvatkum and Cardamine pratensis, &c. It 

 varies greatly in size, from the figure in the plate to 

 three-eighths of an inch long. The feathered legs are 

 peculiar to one sex, the other has them not. 



PI. 68. a. The natural size. b. The same magni- 

 fied, c. The head and pointed antennae, d. The 

 proboscis and the two palpi. 



