BEES OF THE FAMILY ANDRENIDAE— TIMBERLAKE 387 



broadly triangular, sculptured almost like remainder of dorsal 

 surface of propodeum, although minutely striate on basal margin. 

 Abdomen strongly tessellate, dullish, and minutely punctate, the 

 punctures sparse on tergite 1 and rather close on 2. Process of 

 labrum low and broadly truncate at apex. Facial f oveae extremely 

 broad, each about as broad above as the space between them, 

 ochreous in color, becoming slightly brownish above. Pubescence 

 of head and thorax brownish ochreous, moderately sparse. Ter- 

 gites 2 to 4 of abdomen each with a distinct whitish apical fascia, 

 that on 2 broadly interrupted at the middle. Apical fimbria pale 

 brown. Tibial scopa moderately loose and long, the hairs on 

 dorsal margin a little longer than width of tibia. Wings dusky 

 hyaline, with dark-ferruginous stigma and nervures. Length 

 about 9 mm.; anterior wing 7 mm. (or about 6.6 in the Ensenada 

 female) . 



The female is now known from Rancho Santa Ana, Orange 

 County, Calif., and Ensenada, Baja California, having been taken 

 in both places at flowers of Layia. 



ANDRENA (HESPERANDRENA) LIMNANTHIS. new species 



Like A. escondida Cockerell, but more opaque black, almost 

 without puncturation, the facial foveas brown, moderately broad, 

 and the abdomen hardly fasciate. 



Female. — Black, the mandibles a little reddish at apex. Flagel- 

 lum dark. Legs black, although sometimes tinged with red. 

 Tegulae piceous, more reddish at apex. Wings dusky hyaline, the 

 stigma and nervures dark reddish, the subcosta blackish. Head 

 and thorax opaque, becoming less dull on lower sides of thorax, 

 the pleura of propodeum shining. Clypeus and mesonotum, espe- 

 cially the anterior part of scutum, with very fine faint punctures. 

 Frons striate. Enclosure of propodeum large, forming nearly a 

 right angle, tessellate, becoming a little duller at base. Abdomen 

 tessellate, slightly shiny, virtually impunctate. Process of labrum 

 triangular, rounded to subacute at apex. Facial foveae moderately 

 broad, reaching level of top of clypeus. Antennal joint 3 slightly 

 longer than the next tv/o joints together. Pubescence rather 

 scanty, pale ochreous, becoming pale brownish fuscous on face 

 and vertex. Hair of mesoscutum rather short and erect, with 

 finer and shorter hairs interspersed. Abdomen with fine, short, 

 appressed light pubescence, becoming slightly denser and longer 

 at apex of tergites 3 and 4 and at sides of the apex of tergite 2, 

 but forming very narrow, indistinct hair bands. Tergite 1 with 

 short, erect hair, especially laterally. Apical fimbria brown. Hair 

 of legs pale, becoming somewhat brownish on outer side of front 



