206 THE CANADIAN ENTOMOLOGIST, 



Cocoon. — Formed of silk, quite thick and not at the ground. 



F7(pa. — Cylindrical, the abdominal segments tapering, cases and 

 thorax moderately enlarged, cremaster tapering, flat, armed with short 

 hooks. Smooth, pitchy dark brown, almost black, paler in the three 

 movable abdominal incisures. Length 17.5 mm., width 5.5 mm. 



Food plant. — Elder (Sambuais). 



There is but one brood a year, the moths appearing during the last 

 of June. 



The appropriate and pleasing name of this pretty species was kindly 

 sent me by Prof. Smith. 



A TACHINID BRED FROM A CHRYSALIS. 



BY C. H. TYLER TOWNSEND, LAS CRUCES, NEW MEXICO. 



Meigenia websteri, n. sp. 



Female. — Head a. little wider than thorax and abdomen. Eyes brown, 

 very sparsely hairy; front and face not quite one-half the width of head; front 

 a little prominent ; frontal vitta about one-fourth the width of front, 

 brown, lighter behind where it splits on each side of the ocelli ; frontal 

 bristles in a single row, descending a little below base of third antennal 

 joint, some fine hairs on sides of front outside them ; two orbital bristles ; 

 sides of front with a shghtly brassy tinge ; sides of face moderately wide, 

 a little less than one-half the width of the facial depression, silvery, bare ; 

 face slightly receding, facial depression silvery, facial ridges ciliate to a 

 little below base of third antennal joint ; cheeks moderately wide, cinere- 

 ous, hairy, with bristles on lower border ; vibrissas inserted at a little 

 distance above the oral margin ; antennae not as long as the face, blackish, 

 third joint slightly reddish at base ; second joint not elongate, bristly ; 

 third joint not widened, more than three times as long as the second ; 

 arista black, microscopically pubescent, thickened more than half its 

 length, three-jointed, the second joint hardly elongate ; proboscis, brown, 

 fleshy, not so long as height of head, labella well developed ; palpi well 

 developed, flavous, club-shaped, thickened and curved at the tip, black 

 bristly ; occiput cinereous, gray hairy below, with fringe of black hair? 

 on orbital margins. 



