228 BULLETIN 143, UNITED STATES NATIONAL MUSEUM 



cealed by a thick fringe of long, blackish hairs; first segment of fla- 

 gellum slightly shorter than segments two and three united ; antenna! 

 scrobes distinctly carinate above; front, vertex and genae with very 

 large, coarse, and more or less confluent punctures; the genae 

 bounded posteriorly by an obscure carina; relative widths of head 

 and thorax, 11-14. 



Thorax black, clothed M-ith long, black, erect hairs except the 

 dorsum (not including the propodeum with long, ochraceous hairs) ; 

 dorsum of thorax very coarsely and deeply punctured (almost reticu- 

 late) ; scutellar scale present; proplcura coarsely punctate; cephalic 

 half of mesoj^leura very finely punctate except for a few coarse 

 punctures above, the posterior half very coarsely and confluently 

 punctate; metapleura glabrous, with fine, sparse punctures near the 

 cephalic margin, and scattered coarse jDunctures on the ventral half; 

 sides of propodeum coarsely and closely punctate; posterior face of 

 propodeum coarsely and deeply reticulate; dorsum of propodeum 

 with long, erect, black hairs. 



Abdomen black; first abdominal segment short, subnodose, clothed 

 with long, black hairs, the tergite coarsely punctured, the median 

 carina of the sternite produced anteriorly into a prominent tooth; 

 second abdominal tergite glabrous on the extreme basal marg'.n, very 

 coarsely, closely and deeply punctured otherwise, the basal sixth with 

 long, black, erect hairs, the apical five-sixths with long, erect, ochra- 

 ceous hairs ; tergites 3-5 with strong, close punctures and long, erect, 

 ochraceous hairs ; pygidial tergite with a fringe of ochraceous hairs at 

 the base, the pyg.dium coarsely, longitudinally rugose; second ster- 

 nite with very large, coarse, close punctures ; sternites 3-5 with strong, 

 close punctures ; sternites 2-5 clothed with long, black hairs, except a 

 few long ochraceous hairs on the lateral apical margins (more con- 

 spicuous on the fifth sternite). 



Legs black, clothed with black hairs. 



Holotype. — Female, Pecos, Texas, 1919 (C. P. Daley), in entomo- 

 logical collection of the University of Minnesota. 



Paratyjjes. — Female, Marathon, Texas, July 1-2, 1916; female. 

 Barstow, Texas, July 20, 1905 (J. C. Crawford) ; female, Comanche 

 County, Kansas, 1916 (R. H. Beamer) ; female, Fort Collins, Colo- 

 rado, July 22, 1901. Paratypes in collections of United States Na- 

 tional ISIuseum, American Museum of Natural History, University of 

 Kansas, and Colorado State Agricultural College. 



This species is related to Mugii and clotho. All are exceedingly 

 coarsely sculptured and have the genae bounded posteriorly by an 

 obscure, irregular carina. Calorata is distinguished from these by 

 the ochraceous pubescence which clothes the head, thorax, and 

 abdomen. 



