t 71 ] 



PLATE CCCCLXVII. 

 FIG. I. I. 

 MUSCA VIBRANS. 



VIBRATORY ?LY. 



DIPTERA. 



GENERIC CHARACTER. 



Mouth' with a foft exferted flefhy probofcis and two equal lips : 

 fucker furniftied with briflles : feelers two, very fhort, or fometiraes 

 none : antennae generally fhort. 



SPECIFIC CHARACTER 



AND 



SYNONYMS. 

 Wings hyaline with the tip black : head red. 



Muse a viBRANS : alis hyalinis apice nigris, capite rubro. Linn, 

 Fn. Suec. 136?. — Begeer. Inf. 6. p. 32. n. 11. 

 t. 1./. 19. 



Found about trees, and diftinguifhed in its flight by the brifk vibra- 

 tory motion of its wings. 



The figure refting on the leaf in the annexed plate denotes the na- 

 tural Ike, that in the upper part of the plate its magnified appearance. 



FIG. 



