256 H. Friese. 



9. Exonialopsis (?) mellipes Cress. 



1878. Exomalopsis? mellipes Cresson, §, Trans. Amer. Entom. Soc, VII, pag. 184. 



»5. Black; head thinly clothed with a griseous pubescence, tinged with yellow 

 on occiput; face flat, broad between the eyes, ocelli in a straight line, clypeus flat, nude, 

 shining, feebly punctured, labrum and mandibles except tips dull fulvous; antennae 

 short, pale fulvo-testaceous, first Joint long, slender, cylindrical; thorax above clothed 

 with yellow pubescence, long on scutellum, shorter and thin on mesothorax which is 

 opaque, on metathorax and pleura the pubescence is pale; tegulae honey-yellow; wings 

 yellow-hyaline, nervures honey-yellow, marginal cell broad, long, oblique ad tip, se- 

 cond submarginal cell small, quadrate, rather more than one-fourth the length of first, 

 the third a little shorter than first, broadly rounded at tip and narrowed nearly one- 

 third towards marginal; legs honey-yellow, the tibiae darker above, the pubescence pale, 

 posterior tibiae and tarsi with a floccus of long, dense beautifuUy plumose pale pubes- 

 cence, that on outside tipped with sooty-black, that on the underside short 

 and fulvous; abdomen broad-ovate, depressed, first segment at base and sides dull 

 honey-yellow; a curved band on the middle of segments one and two, and a broader 

 band at base of 3 — -5 of short appressed yellow pubescence; apex with fuscous, that on 

 the sides long and pale; venter dull honey-yellow at base, fuscous a tip. Length 35 inch. 

 (= g Mm. lang). 



»Mexico (Sumichrast), 2 $. This has not the general appearance of an Exoma- 

 lopsis, but the form of the antennae and neuration of the wings are much as in that 

 genus; the floccus on posterior legs is not so dense and the pubescence is plumose.« 



10. Exomalopsis limata Cress. 



1878. Exomalopsis limata Cresson, 9, Trans. Amer. Entom. Soc, VII, pag. i33. 



»5. Shining black; head, thorax and extreme base of abdomen clothed with short 

 black pubescence, that on sides of face and narrow anterior margin of mesothorax white, 

 and on cheeks pale; face and clypeus flat; labrum with fulvous hair; flagellum beneath 

 pale testaceous; disk of mesothorax and of scutellum smooth, polished and impunctured; 

 wings fuscous, paler on apical margin; legs with black pubescence, posterior tibiae 

 and tarsi with a long dense fulvous pubescence; abdomen smooth and polished, im- 

 punctured, apex with pale fulvous pubescence at sides, apical margin of segments 3 — 5 

 with a very narrow fringe of white pubescence, slightly interrupted on middle of third ; 

 ventral segments fringed with long fuscous hair. Length 40 inch. {= lo Mm. lang). 



»Mexico (Sumichrast), i 5.« 



Exomalopsis limata ist ausser an ihrer Grösse an den feinen weissen Binden des 

 dritten bis fünften Segmentes und der braungelben Scopa zu erkennen. Mir liegt nur 

 I $ von Mexico (Orizaba 1898) vor. 



11. Exomalopsis solani Cockll. 



1896. Exomalopsis solani Cockerell, 5, Canad. Ent., XXVIII, pag. 25. 



»9. About 8 mm. long, anterior wing about 6 mm. Black, polished, very, shiny, 

 pubescence all pale. Head broad, subtriangular seen from the front, eyes narrow; 

 occiput and cheeks fringed with pubescence, silvery-grayish and subappressedon cheeks; 

 erect, duller, and subochraceous on occiput. Vertex bare, but the occipital hairs extend 



I 



