258 E. T. CRESSON. 



Andrena imitatrix, n. sp. 



<j>. — Black; head not broader than thorax, sides of face and of elypeus, 

 occiput and cheeks with long rather dense cinereous pubescence; flagellum 

 brown beneath towards apex; thorax above sparsely punctured, clothed with 

 a rather dense cinereous pubescence, slightly tinged with ochraceous; sides of 

 metathorax and pleura with long cinereous pubescence ; base of metathorax 

 more or less coarsely reticulated; tegulse piceous ; wings hyaline, faintly 

 tinged with yellowish ; legs black, with cinereous pubescence, tarsi brown ; 

 abdomen oblong-ovate, depressed, shining black, closely and finely punctured, 

 first segment polished, base, sides and lateral apical margin with cinereous 

 pubescence, apical margin of segments 2 — 4 depressed and with a fascia of 

 dense white pubescence, anal fimbria whitish, sometimes tinged with ochrace- 

 ous; ventral segments fringed at apex with long pale pubescence. Length .40 

 inch. 



Three specimens. (Belfrage.) Bather smaller than verecunda, 

 with the pubescence of head and thorax less dense and the abdomen 

 less pubescent and with the fasciae conspicuous and white. 



Audrena hirticeps. 



Andrena hirticeps, Smith, Brit. Mus. Cat. i. p. 116. 

 Four % specimens. (Belfrage.) 



Andrena briinniventris, n. sp. 



%. — Black, head and thorax thickly clothed with a long pale ochraceous 

 pubescence, very dense and paler on elypeus; head broader than thorax, face 

 broad; mandibles long, piceous, reddish towards tips; flagellum brownish be- 

 neath; pubescence on thorax above, especially on scutellum tinged with yel- 

 lowish; teguloe dull testaceous; wings pale yellowish-hyaline, apex pale fus- 

 cous ; legs blackish, tinged with brown, clothed with ochraceous pubescence, 

 tarsi rufo- testaceous ; abdomen ovate, convex, shining, chocolate-brown, clothed 

 with a short scattered pale pubescence, which is dense and ochraceous at apex. 

 Length .43 inch. 



One specimen. (Coll. G. W. Belfrage.) Differs from hirticeps 

 principally by the color of the abdomen. 



Andrena texana, n. sp. 



£, . — Black; head as wide as thorax; face, elypeus, occiput, cheeks, thorax, 

 legs and basal segment of the abdomen clothed with a long, more or less dense 

 yellow oehreous pubescence; antennae long, flagellum brown beneath; base of 

 metathorax rugulose; tegulse pale piceous; wings hyaline, apex broadly 

 dusky, second submarginal cell narrower than usual; legs piceous, tibiae and 

 tarsi brown, the latter pale brown; abdomen oblong-ovate, shining, minutely 

 not closely punctured, clothed with a very short dense dull yellowish pubes- 

 cence, apical margin of the segments subtestaceous and with a band of short 

 dense yellow oehreous pubescence, apex with dense ochraceous pubescence ; 

 venter fusco-testaceous, the segments fringed at apex with oehreous pubes- 

 cence. Length .40 inch. 



Ten specimens. (Belfrage.) A very distinct little species, with 

 the pubescence quite dense and of a uniform yellow oehreous color. 



