l^iD 



68 THE CANADIAN ENTOMOLOGIS't. 



Trixa gillettei, n. sp., $ . 



Eyes brownish ; frontal vitta brown, narrowed posteriorly ; front very 

 narrow behind, wide before ; face, cheeks and sides of front silvery" 

 pollinose, latter shading to darker, cheeks with a brown area anteriorly ■» 

 antennae and arista blackish, first two antennal joints and base of third 

 rufous ; second antennal joint bristly, with a long bristle on front edge, 

 third joint as long as second ; proboscis as long as height of head, rather 

 slim, blackish ; palpi slender, brownish, rufous at tip, bristly ; occiput 

 silvery, clothed with yellowish hairs. Thorax black, slightly silvery, with 

 four (?) indistinct black vitt^e ; scutellum black, slightly silvery. Abdo- 

 men black, more or less deeply silvery-pollinose according to lights, 

 except first segment ; first two segments with a lateral pair of macro- 

 chjetae, and a median discal and marginal pair ; third with a median 

 discal pair, and a marginal row ; anal with a more or less regular discal 

 and marginal row. Legs black, claws and pulvilli very elongate ; pulvilli 

 tawny-fuscous, claws brown at base, black at tips. Wings grayish- 

 hyaline, tawny at base, without costal spine ; tegulas nearly white, 

 halteres rufous or brownish. 



Length of body, lo mm.; of wing, 9 mm. 



Described from one specimen ; Colorado (C. P. Gillette). 



This species differs from both of Mr. v. d. Wulp's Mexican species 

 described in the Biologia Centrali- Americana, T. obsoleta and T. differens, 

 by having discal macrochsetge on the abdomen. 



Miltogramma kansensis, n. sp., $. 



Eyes light reddish-brown ; frontal vitta nearly obsolete, concolorous 

 with front ; sides of front, face and cheeks silvery white, the front shading 

 to dark, epistoma and facial depression more or less yellowish ; three 

 orbital bristles, continued in front by a row of minute bristles ; antennse 

 orange rufous, third joint about one and a half times as long as second, 

 arista black ; proboscis elongate, fully as long as height of head, rather 

 slender, black, base and tip brownish, labella developed ; palpi elongate, 

 yellow, filiform, hardly at all thickened ; occiput cinereous, black hairy. 

 Thorax silvery, with three blackish median vittje placed closely together, 

 the middle one obsolete in front, and two heavier vitt^ outside them ; 

 scutellum black, silvery pollinose. Abdomen red, a median triangle on 

 first segment and a large triangle extending from median portion of base 

 of second to posterior lateral corners of third segment black, anal segment 



