BIBIONIDyE EM PID/E. 3 I I 



(435) 1. * Aspistes ( Arthria) analis. Anal A. Arthria. 



A. A. (analis J atra ,• trunci lateribus, pedibus, anoque, teataceis ; alls corpore longioribus. 



Anal A. Arthria, black; with the sides of the trunk, legs, and anus, testaceous ; wings longer than the body. 



PLATE VI, FIG. 8. 



Length of the body, j exc , 1 f g ^ Wi " gS ' S 1 lines. 

 6 •" £ including the wings, 3) 



Several taken in Lat. 65°. 



DESCRIPTION. 



Body black, naked. Head very small : trunk with a dorsal area marked out by a ridge ; on each 

 side is a reddish-yellow line drawn from the collar to the base of the wing; but in some specimens 

 this is very indistinct; poisers white; wings hyaline, iridescent, much longer than the body; costal 

 area divided into three areolets, with testaceous nervures, terminating in a black stigma ; there are 

 four spurious nervures, the first abbreviated, and the anal one bent towards the margin : the legs 

 are reddish-yellow except the apex of the tarsi which is black ; the intermediate pair are smaller and 

 shorter than the others; anterior thighs are much incrassated, and the tibia? terminate in a spine ; 

 the posterior thighs are elongated; abdomen flat above; anus yellow, as is sometimes the margin 

 of the ventral segments. 



II. TANYSTOMA. 

 Family EMPIDiE. Empidans. 



CXCIX. Genus EMPIS. Lin. 



(436) I. * Empis luctuosa. Mourning Empis. 



E. f luctuosa j atra ; alls uifuscatis, stiymate magno ; halteribus nigris, capitulo magno ; proboscide vix capite longiori. 

 Mourning Empis, black ; wings embrowned with a large stigma ; poisers black with an ample head ; proboscis scarcely 

 longer than the head. 



Length of the body, wings included, 3 lines. 



Taken with the preceding. 



DESCRIPTION. 



Body entirely black. Proboscis very little longer than the head : wings a little embrowned, 

 with a large black stigma, iridescent, nervures black. 



