lliO INSECTA SAUNDERSIANA. 



AsiLUS ULTIMUS, Mas. 



Ferrugineus, thorace nigro quadnvittalo, abdomine piceo apice ferrugineo 

 latcribus albido variis, antennis nigris basi ru/is, pedibus ferrugineis , 

 femoribus nigris, alis siibfuscis. 



Head ferruginous, adorued with a pale tawny covering, thickly clothed 

 behind and beneath with whitish hairs, beset with black bristles behind the 

 eyes and on each side of the crown, and on the tubercle of the eyelets ; 

 face very convex, thickly clothed with long pale yellow hairs which also 

 fringe the sides of the peristoma : eyes black ; fore part flat, its facets 

 much larger than those elsewhere : sucker black, clothed with long while 

 hairs towards the base, and with short tawny hairs at the tip ; palpi black, 

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

 with short black bristles ; first clothed with pale yellow hairs ; second about 

 half the length of the first; third spindle-shaped, nearly as long as the 

 first; bristle almost twice the length of the third joint: chest and breast 

 ferruginous: chest adorned tvith four black stripes, of which the side pair 

 are indistinct, clothed with very short black hairs, beset on each side and 

 behind with black bristles ; breast tinged with gray, partly clothed with 

 hoary hairs ; a tuft of black bristles on each side of the hind chest: abdo- 

 men pitchy, nearly twice the length of the chest, clothed with short black 

 and white hairs ; hind borders of the segments paler, whitish on each side ; 

 sixth and seventh segments f err uginotis ivith whitish sides; fifth and follow- 

 ing segments of the underside ferruginous, adorned with a white covering ; 

 sexual parts ferruginous, shining, clothed with tawny hairs : legs ferrugi- 

 nous, clothed with short black hairs, armed with black spines ; thighs 

 clothed with white hairs ; claws black ; foot-cushions tawny ; four front 

 thighs black, with ferruginous tips : ivings pale clear brown ; wing-ril)s fer- 

 ruginous ; veins pitchy, ferruginous at the base and along the fore border ; 

 poisers ferruginous. Length of the body 13 lines ; of the wings 22 

 lines. 



North America. 



