l8 ENTOMOLOGICAL NEWS [Jan., '19 



with a generic name. Vachal, in Miscellanea Entomologica, 

 xii (1904), p. 127, described a species Halictus chlerogas, from 

 a female taken at Callanga, Peru. It is considerably smaller 

 than our species, and metallic green but it is evidently con- 

 generic. Vachal, struck by its peculiar characters, surmises 

 that it may represent a new parasitic genus and adds that if 

 this should prove to be the case the genus might be named 

 Chlerogas, and the species C. latitans. According to the rules, 

 however, it will be Chlerogas chlerogas (Vachal). 



CHLEROGAS Vachal. 

 Halictine bees without pollen-collecting apparatus in the 

 female, the abdomen of this sex clavate, truncate and hirsute 

 at apex, without any caudal rima ; hind legs of female long 

 and slender, the tarsus much longer than tibia or femur; no 

 hind patella ; hind spur with three long teeth ; head prolonged 

 beyond the eyes, snout-like, malar space very large ; inner or- 

 bital margins deeply emarginate ; ocelli ordinary ; antennae long 

 for a female ; scutellum binodose ; wings conspicuously hairy ; 

 basal nervure falling short of transverso-median ; second sub- 

 marginal cell nearly square, first recurrent nervure meeting 

 second transverso-cubital on entering extreme base of the large 

 third submarginal cell ; stigma large. Type C. chlerogas, but 

 also includes: 



Chlerogas hirsutipennis n. sp. 



9 . — Length about 12 mm., anterior wing nearly 11; face prolonged 

 about 1.3 mm. beyond eyes; head and thorax black, not metallic; lab- 

 rum, mandibles and apical margin of clypeus dull yellow ; clypeus dull 

 with sparse very feeble punctures ; antennae black, flagellum and apex 

 of scape obscure, reddish beneath ; face, vertex, mesothorax and scu- 

 tellum with thin black hair; hair of metathorax thin, erect, ochreous; 

 mesothorax dull, without evident punctures ; area of metathorax with 

 extremely fine oblique striae ; posterior truncation of metathorax long, 

 oblique, narrow, with a median sulcus, only the lower end defined on 

 each side by a carina; tegulae dark reddish; wings dusky, stigma honey- 

 color, nervures dilute fuscous ; legs bright ferruginous ; abdomen 

 piceous above, dull, without bands, base of second segment pale red- 

 dish ; apex with coarse black hair ; second and third ventral segments 

 light ferruginous. 



Huascaray, Peru; type in U. S. Nat. Museum. 



