195 



4674 Halictus longicornis n. sp. 



Head and thorax rather b'T.ssy green, abdomen very dark brown, 

 aeneous; punctures of head fine, close; pubescence of head and thorax 

 abundant, griseous; antennae very long, reaching to middle of first 

 abdominal segment, red beneath; mesothorax finely lineolate, somewhat 

 shiny, sparsely, finely punctured, median and parapsidal grooves plain; 

 base of metal horax strongly rugose, truncation not surrounded by a 

 salient rim, the surface lineolate, rather coarsely sculptured; wings 

 dusky, nervures very dark brown, stigma more reddish; legs black, tarsi 

 yellowish testaceous; abdomen with rather close fine punctures, broad 

 apical margins smooth impunctf;te. Length 6 mm. 



Santa Clara Co- Cal. (Baker.) This is a ChJoralictiis. 



4658 Halictus incompletus n. sp. 



Head and thorax green, abdomen dark brownish, the apical margins 

 of segments testaceous; facial quadrangle slightly longer than broad; 

 face closely and finely punctured; antennae reddish beneath apically; 

 labrum testaceous, mandibles ferruginous, the bases testaceous; head 

 and thorax finely lineolate, ^dull, mesothorax finely closely punctured; 

 median groove plain not deeply impressed, parapsidal grooves distinct; 

 truncation with a cordate salient rim broken at upper lateral angles, 

 strong above except medially; laterally the onds of the upper section 

 recurved forward, base of metathorax with an elevated triangular area 

 indicaited by an angulated edge, and having a few strong irregular 

 ugae reaching apex, those medially not so strong; surface lineolated; 

 truncation lineolate and with a few weak striae running upwards from 

 basal center, wings subhyalinc, nervures and stigma honey color 

 second submarginal broad, narrowed above; third narrowed nearly one 

 half to u'arginal; tegulae largely dark testaceous; legs brown, tarsi 

 testaceous contrasting; hind inner spur with about four long teeth; 

 abdomen with scattered minut.' punctures, transversely lineolate, thinly 

 clothed with appressed whitish |»ubesccnce except on discs of segments 

 1 and 2. Length about 5 mm. 



Mts. near C'laremont. Cal. (Hakcr). on Eibrg; Onnsby Co. Nev. July 

 6. (Baker.) This is a Chloralicius. 



6109 Halictus nevadensis n. sji- 



Head and thorax green, finely lineolate. dull; abdomen l)rown, apical 

 margins of segments testaceous, the first two segments sometimes red- 

 dish; facial quadrangle slighHy longer than broad; face with crowded 

 fine punctures; mesothorax with rather 8i)arse. fine punctures; median 



