90 U.S. NATIONAL MUSEUM BULLETIN 277 



triangle above the antennae, rugose with a median groove; ©cellar 

 triangle elevated, ocelli orange-brown. First antennal segment short, 

 black; second larger, red-brown; third black-brown, pear-shaped, with 

 a distinct depression on the outer side at the tip. 



Thorax black, shining; humeral callus with a small red-orange patch 

 on posterior edge. Wings hyaline, veins tan; halter stem tan, knob 

 white. Legs black with moderate bristles, tarsi orange-brown darkening 

 distally; middle and hind legs with the first tarsal segment subequal 

 to 2-5 combined. 



Abdomen black, shining, segments 3-5 white along posterior mar- 

 gins. Terminalia black with a few long hairs; see figure for details. 



Female. — ^Head black; eyes red-brown; postocular ridge broad 

 shining; frons swollen, shining, broader than either eye when viewed 

 from the front, with a broad median groove ending in a pit on lower 

 third of head. Ocellar tubercle distinct, set off, ocelli red-brown. 



Thorax, legs, wing and halter as in male. 



Abdomen, black, shining, flattened, eighth sternum longer than 

 tergum; see figure for details of eighth sternum and bursa. 



Length: Male body 2.4 mm., wing 2.1 mm.; female body 3.2 mm., 

 wing 2.5 mm. 



Type-locality: 20 mi. N. of Sereflikochisar (Ankara area), Turkey, 

 24 June 1962, 900 m. (Guichard and Harvey). 



Holotype: Male (BMNH). 



Allotype: 9, and 9 paratype, Eskisahir, Kaymaz, Turkey, 800 

 m.; 27 July 1962, (Guichard and Harvey) (BMNH). 



57. Scenopinus spurrelli, new species 



Figure 56 



Female. — Head black; eyes red-brown; postocular ridge narrow; 

 back of head pollinose; frons broad subshining, with sparse hairs 

 laterad of a median groove; ocellar tubercle shallow, ocelli whitish; 

 antennae red-brown, first segment short, second twice as large as first, 

 third soft pilose, tapering to tip from a broader base. 



Thorax black, shining, with short hairs, humeral and supra-alar 

 calli red-brown on margins. Wing smoky brown, veins brown; halter 

 stem black-brown with a V-shaped bracket extending posteriorly to 

 hold knob which is white. Legs with coxae and trochanters dark red- 

 broAvn, femora orange-brown, tibiae and tarsi light orange-brown. 



Abdomen black-brown; see figure for details of eighth sternum and 

 bursa. 



Male. — Unknown. 



Length: Female body 4.6 mm., wing 3.3 mm. 



