36 ENTOMOLOGICAL NEWS [Feb., ? 2O 



Blue Rapids, Kansas, June 19, 1919; many females suck- 

 ing nectar at flowers of Allionia nyctaginea and collecting pol- 

 len of Megapterium missouriense; one female collecting pollen 

 of Hartmannia speciosa. Oakes and LaMoure, North Dakota, 

 July 17 to 26, 1919; occasional females sucking at Allionia 

 hirsuta, collecting at Anogra pallida and Onagra strigosa. 

 Sheldon, North Dakota, Aug. 10, 1919; one female at Allionia 

 hirsuta. One male at Helianthus petiolaris (Sheldon) and one 

 at Onagra strigosa (Oakes). 



Halictus (Evylaeus) aberrans Crawford. 



1901. Halictus amicus, var. a Cockerell, Ann. & Mag. Nat. Hist., ser. 7, 

 v. 2. p. 126. 



1903. Halictus aberrans Crawford, Can. Ent., v. 35, p. 336. 



1903. Halictus galpinsiae Cockerell, ibid., p. 342. 



9 . Thorax with sparse pubescence which is griseous or somewhat 

 ochraceous; sculptured as in H. texanus, the propodeum more finely 

 wrinkled; mesonotum shining, the punctures of variable size (about 15 

 to 25 microns) ; pubescence of the abdomen of both appressed and erect 

 hairs in variable amounts; segments 2 to 4 usually with both basal and 

 apical bands, the basal of appressed hairs, the apical of both appressed and 

 upright; second segment with basal patches at the sides; sides of the first 

 and more or less all of the other with scattered upright hairs; first segment 

 smooth and shining, appearing impunctate in some lights and very min- 

 utely punctate in others; posterior legs as in texanus, inner spurs of tibiae 

 with about five teeth. 



o*. Puncturation similar to that of female, pubescence more sparse 

 especially on the abdomen which is scarcely at all banded; face sometimes 

 with appressed hairs and sometimes with erect hairs predominating; sev- 

 enth segment of abdomen slightly indented at apex; tibiae and tarsi yellow, 

 the median half of middle and posterior tibiae brownish black, the anter- 

 ior more reddish brown. 



North Dakota, 28 females, 48 males at various places from 

 Valley City westward to Williston and Marmarth, June 16 

 to Sept. 20 (mostly in June and July) ; females collecting pol- 

 len from flowers of Gaura coccinea, occasionally from Onagra 

 strigosa, and sucking nectar at flowers of Gaura coccinea, Lac- 

 tuca pulchella, Helianthus petiolaris, Grindelia squarrosa, Sider- 

 anthus spinulosa, Solidago mollis and Symphoricarpos occideu- 

 talis; males at flowers of Allionia hirsuta, Allionia lanceolata, 

 Gaura coccinea, Brassica juncea, Symphoricarpos occidentalis, 

 Chrysopsis villosa, Grindelia squarrosa, Helianthus petiolaris 

 and Lactuca pulchella. 



