DIPTERA. 123 



Trupanea rubiginis, Fein. 



Ferrwjinea, caplte fldvo, thoracc niyro viiiaio, abdomine nigro maculis 

 fulvis hiviltalo, pilis albis quinquefasciato, seymenlorion marginibus 

 posticis ferrugini'is, antennis nigris, basi pcdibitsque riifis, alls sub- 

 fuscif. 



Head adomed with a yellow covering, tawny on the crown, thickly 

 clothed behind and beneath with pale yellow hairs, armed behind the eyes 

 with black spines ; sides of the crown and tubercle of the eyelets beset with 

 black bristles ; face convex in front, thickly clothed along the whole 

 length with yellow hairs : eyes black : fore part flat, ils facets much larger 

 than those elsewhere : sucker black, clothed at the tip with tawny hairs ; 

 palpi black, beset with black bristles : feelers black ; first and second joints 

 red, beset with a few black bristles ; first clothed with very few pale yellow 

 hairs: chest dark ferruginous icith some alender, indistinct, black stripes, 

 clothed with short black hairs, beset with some black bristles on each side 

 and behind : breast pale ferruginous, thinly clothed with hoary hairs : ab- 

 domen black, adorned on each side witti tawny spots, full twice the length of 

 the chest, tapering from the base along near two-thirds of the length, com- 

 pressed and slender from thence to the tip, adorned with Jive bands ofivhite 

 hairs : hind borders of the segments dark ferruginous : legs red, clothed with 

 whitish hairs, armed with l)lack spines ; claws black, red at the base ; foot- 

 cushions tawny : wings pale brown, rather darker at the tips ; a gray streak 

 in the first submarginal areolet ; wing-ribs ferruginous ; veins black, feri-u- 

 ginous at the base and along the fore border ; poisers pitchy. Length of 

 the body 13 lines; of the wings 19 lines. 



North America. 



Trupanea perpusilla, Mas. 



Nigra, flavo hirta, abdominis apice nigro hirto, antennis pedibtisque 

 nigris, tibiis rujis apice nigris, alis fuscis. 



Bodg black : head clothed with white hairs, beset behind the eyes 

 with black bristles ; a few black hairs on the crown ; face flat, clothed with 

 white hairs : eyes black ; fore part nearly flat, its facets larger than those 

 elsewhere: sucker, palpi and feelers black; palpi and first and second 



