BEES OF THE FAMILY ANDRENIDAE— TIMBERLAKE 401 



of segments, and with extremely minute setigerous punctures. 

 Antennal joint 3 longer than 4 plus 5. Wings dusky hyaline, the 

 stigma and nervures dark ferruginous. Length 9.5-10.5 mm.; 

 anterior wing 7-7.25 mm. 



Male. — Similar to female, but clypeus yellowish white and 

 flagellum dull ferruginous beneath. Disk of clypeus with two 

 dark dots. In one paratype (from Palmdale) there is a curved, 

 transverse whitish line at anterior corners of face, paralleling 

 the margin of clypeus. Mandibles long, curved, decussate. Cheeks 

 broad and angulate, the angulate portion a little above level of mid- 

 dle of eyes. Antennal joint 3 a little shorter than 4 plus 5. Joint 4 

 slightly longer than wide and plainly shorter than 5, which nearly 

 equals the following joints. Process of labrum short, nodose, 

 prominent, with a semicircular emargination at apex as seen 

 from in front. Clypeal margin with a small triangular tooth on 

 each side, projecting over base of labrum. Pubescence whitish, 

 sometimes with a little dusky or blackish hair at summit of eyes 

 and on scutellum and posterior part of mesoscutum. Hair on 

 disk of tergites 4 to 6 blackish, that on disk of tergite 2 about 

 as long as that on tergite 1. Tergites 2 to 5 each with a thin 

 white apical band. Hair of legs entirely light. Sculpture about 

 as in the female, except that the clypeus is polished, and with 

 fine, delicate, rather sparse punctures. Form slender, with the 

 head broader than thorax. Length 7.75-9 mm.; anterior wing 

 6-6.4 mm. 



Types. — Holotype (female), Palm Springs, Calif., March 9, 

 1924 (H. S. Smith) in the collection of the Citrus Experiment 

 Station. Allotype (male). Palm Springs, February 25 (Hubbard 

 and Schwarz), U.S.N.M. No. 59282. 



Paratypes, in the collection of the Citrus Experiment Station : 

 2 females, The Gavilan, Riverside County, on Phacelia distans, 

 April 18, 1937; 1 male. Riverside, on same flower, March 21, 

 1936; 1 male. Riverside, on Calandrinia, March 8, 1932; 1 male, 

 Andreas Canyon, near Palm Springs, on Phacelia distans, March 

 5, 1933 (Timberlake) ; 1 male, same locality, on Cryptantha, 

 March 14, 1942 (Cockerell) ; and 2 males, Palmdale, San Ber- 

 nardino County, April 11, 1936 (R. M. Bohart). 



The name palpalis has reference to the fact that the third 

 joint of the labial palpi is inserted near the middle of the sec- 

 ond joint, and the fourth joint before the apex of the third. 



ANDRENA (SCOLIANDRENA) CRYPTANTHAE, new species 



Closely allied to A. osmioides Cockerell, which is the type 

 species of Scoliandrena Lanham. It is easily distinguished from 



