THE CANADIAN F :3T. 



first two-thirds as long as the ante process : proboscis dark brown ; 



body black, the humeri, antealat callosity, a short vitta above base of 

 wing, large spot on posterior side of mesopleura, smaller one on upj er 

 part of sternopleura, small one on r :>art of pteropleura, sonir 

 very indistinct, the scut, sides of first abdominal segment ard 



posterior borders of the following three, yellow, that on the fourth or 

 slightly and very gradually dilated in the middle ; fourth segment marked 

 with an interrupted gray pruinose fas - produced forward at the 



point of interruption, second seg .15 long as the third; legs reddish 



yellow, bases of the tibia? broadly pale yellow : middle and hind femora, 

 except their ends, sometimes dark brown, one or more of thr - of the 



tarsi sometimes also dark brown : wings hyaline, the costal border to the 

 third vein pale brown, lightest -tal cell and in front of ias: section of 



third vein ; length, ic mm. Six males and five fema es s .ected March 

 26th and August 24th to Sc jer 4th. 



Habitat. — Las (Truces. New Mexico. 



Type.— Cat No. 6293. U S. X M. 



Family Conopida 



Myopa fenestrata. new species 



Head j the front : occiput, except the sides and lower 



portion, orange yel >w, sides of face each marked with two to four brown 

 spots, the upper one contiguous to the eye, all rarely wanting, vn 



stripe at each lower corner of front and five brown spots, two of which 

 are near each eye on upper half or" : .e fifth near centre of two 



or more of these spots sometimes c i : two brown spots near 



middle of each side of occiput, hairs of front and upper part of occiput 

 black, on remainder of occi e and chreks yellowish white, those on 



lower part of cheeks rather long and abundant ; antenna 1 reddish yellow ; 

 palpi and first segment of proboscis black, remainder of proboscis rede 

 brown : body h'.ack. the inner part of the hum. treak behind each, a 



spot on each postalar callos - ts on pleura and the genitalia, 



reddish brown, a yell: either side ot the metanotum ; 



mesonotum thinly whitish pru stirict white spot near each 



corner and indications c tish irittse on the anterk :>n, 



abdomen, except front ang 7- of the segmc gray pruinose and with 



dark rerlecti-g spots; legs a -k. cox.e marked with redd- ces of 



femora, broad bises of middle and hind femora, bases and a median band 

 on tibiae, and whoie of tarsi. 5 base of wings to root of second 



