■178 Mr. T. D. A. Cockerell — Descriptions and 



dark fuscous ou inner side of basitarsi ; mesotliorax very 

 distinctly punctured; tarsi red at apex. 



Las Cruces, New Mexico, at Mowers of Sphceralcea in 

 garden of my house, Aug. 21- (Cuckerell) . 



1 had confused this with E. texana, hut, having received 

 a topotvpe of the latter, I find it is quite distinct. 



Exomalopsis thermalis, sp. n. 



9 . — Length about 9 mm. 



Very robust, black; hair of head and thorax long and 

 white, with a slight creamy tint ; head very broad ; eyes 

 olive-green ; labrum black ; mandibles chestnut-red in 

 middle ; clypeus flattened, shining, sparsely punctured ; 

 flao-ellum chestnut-red beneath; mesotliorax closely and 

 strongly punctured ; scutellum shining, with very fine 

 punctures; teguke bright rufo-fulvous. Wings yellowish, 

 the large stigma and the nervures clear ferruginous ; small 

 joints of tarsi red ; hair on inner side of tarsi ferruginous ; 

 middle tibiae with short fuscous hair on outer side beyond 

 middle; middle basitarsi with long white hair ou outer side; 

 scopa of hind legs long and plumojse, largely black on outer 

 side, that on basitarsus of three colours — black, white, and 

 red. Abdomen very broad, with a glaucous tint; first two 

 segments closely punctured as far as the narrow arched pale 

 hair-band, bevond that smooth and shining, the second 

 segment with excessively minute punctures ; segments 3 to 5 

 with broad bands of yellowish tomeutum, the fifth broadly 

 fringed with fuscous hair apically. 



Aguardientes, Mexico, Dec. 1, 1901) (F. C. Bishupp). 

 ILS.^Nat. Museum. 



Exomalupsis cruris, sp. n. 



$ . — Length about 85 mm. 



Closely allied to the last, differing thus : scape more or 

 less reddish, especially at base ; flagellum pale ferruginous 

 beneath; labrum clear red, with pale reddish Hair ; hair of 

 thorax above strongly tinged with yellowish ; scutellum 

 closelv and very distinctly punctured; first abdominal 

 segment reddish basally. 



Medellin, Vera Cruz, Mexico (H. H. Hyde ; Baker coll., 

 1785). U.S. Nat. Museum. 



These two species are related to E. mellipes, Cress. 

 (which has red legs) ; and more especially to E. frederici, 

 Ckll., which has the tarsi } and tibia at apex, ferruginous — at 



