HYMENOPTERA— ANDRENIDAE.— A. MELLIVENTRIS. 721 



short, dense, griseous pubescence ; abdomen rather short, ovate, convex, 

 smooth, and shining ; base and sides with a* long, thin, griseous pubescence ; 

 second, third, and fourth segments each with a broad band of short, dense, 

 white pubescence ; anal rima fulvous. Length, 44 lines. (Trans. Am. Ent. 

 Soc, 1875.) 



1 specimen ; Eastern Nevada; 1872; Dr. II. C. Yarrow. 



94. UALICTDS DISPARILIS. 

 Halictus disparilis, Ceess., Trans. Am. Ent. Soc, iv, 253. 



2 9 specimens; Eastern Nevada ; 1872; Dr. H. C. Yarrow. 



95. AGAPOSTEMON TEXAN US. 

 Agapostemon texanris, Cress., Trans. Am. Ent. Soc, iv, 255. 



6 9 specimens; Colorado, New Mexico; Dr. H. C. Yarrow, Dr. Oscar 

 Loew. 



06. AGAPOSTEMON TRICOLOR. 

 Agapostemon tricolor, St. Faeg., ETym., ii, 289. 



14 £ specimens; Eastern Nevada ; 1872: Colorado; Dr. H. C. Yarrow : 

 New Mexico ; Dr. H. C. Yarrow ; H. W. Henshaw ; Dr. Oscar Loew. 



97. AGAPOSTEMON MELLIVENTRIS, sp. nov. 

 Plate XXXIII, Fig. 4. 

 9 . — Golden-green, very densely punctured, clothed with a pale ochra- 

 ceous pubescence ; anterior margin of clypeus, and mandibles except tips, 

 which are black, yellow ; antenna? black ; scape at base and beneath pale 

 yellow ; flagellum testaceous beneath ; metathorax coarsely reticulated, 

 sometimes tinged with blue, the truncate apex inclosed by a nearly semi- 

 circular carina ; tegula; pale yellow; wings pale yellowish-hyaline ; nervures 

 pale ; legs yellowish, with pale ochraceous pubescence ; coxse and base of 

 femora black, more or less tinged with green ; abdomen ovate, clothed above 

 with a short, pale sericeous pile, very dense at base of the segments ; the 

 fourth segment has a narrow, black band across the middle, and the follow- 

 ing segment more or less tinged with black; beneath, the apical segments 

 are more or less blackish. Length, 41 lines. (Trans. Am. Ent. Soc, 1875.) 



3 specimens. Easily recognized by the green head and thorax and the 



fulvous abdomen. 

 4G z 



