977 

 PAUL R. JONES. ^* 



joint, robust, and discernable only when viewed with at least a low POwer -. ro 

 scope, third joint beyond the nnddle with a small ^P^^^/^^^f .^^.^7' ^^^ 

 with a slight depression just beyond the spine. Thorax back, «'--°f ' ^ ^^^^ 

 bluish tint, covered with very fine red pile through wh,ch two black med an 

 s ripes app'ear separated by a stripe of red pile, two lateral ^^^^^ZtZ^ 

 dorsum nearly oval in shape. (The pile on the thorax and scutellum has been 

 n led off som'ewhat from the specimen at hand.) Scutellum of the same col 

 as the thorax, with a few pale colored bristles on the P-^enor marg. m. o 



those on the posterior part of the thorax. Pleura covered wUh wh.t.sb pollen, 

 bm"g yell wish on the upper part. Halte.es light yellow. Abdomen sign- 

 ing black, with a coppery reflection, nearly glabrous to the eye, finely punctured 

 Ind covered with very fine, decumbent, red pile, seventh segment .n female, 

 seve."b and posterior half of sixth in male reddish, a silvery polhnose spot on 

 he steHor'lateral margins of the second, third, fourth and f/th -gment^^ 

 Legs red, apex of hind tibiae and apex of all tarsi black, p.le and the few bnstles 

 light red All the posterior cells and anal cell narrowly open. 



Types. -A male aud a female from Glen, Sioux Co., Nebraska, 



August 15, 1906 (P. R. Jones). , , . ,. -i 



This species is evidently quite close to Dioctrodes flavipes Coquil- 



lett, but I believe it is distinct and belongs to the genus Doctma. 

 9. CYRTOPOtlOM Loew. 



Cyrtopogon plausor Osten Sacken. 



Two males from Sioux Co., Nebraska, which answer in every way 



t„ the description, except that all the tibia3 save the apex and all 



the tarsi are reddish. The base of all the femora have reddish cast. 



Cyrtopogon sp. ^ , , .■ 



Two females, which fall in Group A of Osten Sacken s synoptic 

 table, and which are probably near C. aurifex O. S. Length 12 5 

 mm Hair on the face wliitish on the upper part, near the mouth 

 black, and a few black hairs above. Antenna black, third joint 

 reddi^h first two joints with black hairs, third on upper side with a 

 few whitish hairs. Thorax brownish pollinose, with a median gemi- 

 nate stripe, and two lateral wider stripes or spots. Abdx^men black, 

 shinino- lateral margins of the segments covered with yellowish- 

 white>, becoming nearly obsolete on the last three segments, a 

 silvery pollinose spot on the posterior lateral angles of the second, 

 third fourth and fifth segments. A fan like row of white bristles 

 in front of the yellow halteres. Legs black, tibia, red, except apex 

 bristles black, pile chiefly light colored, slightly intermixed with 

 black. Wings hyaline, with a brownish tinge. 



JULY, 1907. 

 TRANS. AM. ENT. SOC. XXX:III. 



