INSKCUTOR INSCITI^ MENSTRUUS 139 



Type locality, Las Cruces, New Mexico. 



Type, Cat. No. 20831, U. S. Nat. Mus. 



Described from two females collected May 12, by Dr. 

 C. H. T. Townsend, in honor of whom the genus is named, on 

 flowers of DithyrcEa wislizem. 



Phileremulus cockerelli, new species. 



Female. — -Length slightly over 3 mm. Head and thorax 

 black, abdomen red, legs reddish, femora somewhat dusky at 

 bases, coxge darker ; head rather coarsely and closely punctured, 

 shiny, with white appressed pubescence, very dense on sides of 

 face; clypeus finely closely, but faintly punctured, shiny, red- 

 dish apically ; antennae reddish, slightly darker above ; meso- 

 scutum and scutellum rather coarsely closely punctured ; 

 pleurse, sides of mesoscutum and sides of scutellum with white 

 densely plumose pubescence, that on rest of mesoscutum 

 slightly brownish and not densely plumose ; that on disk of 

 scutellum brownish, more plumose than on mesoscutum ; axillae 

 drawn out into long teeth ; scutellum bilobed ; metanotum with 

 a strongly projecting, deeply bifid median process covered with 

 white densely plumose pubescence ; propodeum, except basal 

 triangle, which has a strong median carina, covered with sim- 

 ilar pubescence ; apical margins of abdominal segments with 

 bands of white plumose pubescence ; apex of abdomen dusky. 



Described from one specimen from Victoria, Texas, Sep- 

 tember 25, 1904, J. C. Crawford, collector. 



Type, Cat. No. 20832, U. S. Nat. Mus. 



Distinguished from vigilans and nanus by the strongly pro- 

 jecting, deeply bifid process on metanotum; mallochi has the 

 clypeus rugoso-punctate, the coxae and femora brown, 

 pubescence of disk of mesoscutum white and densely plumose 

 and the lateral margins of the clypeus strongly reflexed. 



Named in honor of Prof. T. D. A. Cockerell. 



Halictoides viridescens, new species. 



Male. — Length, 5 mm. Head and thorax green, with white 

 pubescence, dense on clypeus and below antennae ; propodeum 

 black, abdomen brown, apical margins of segments 1-6 hyaline ; 



