THE NEARCTIC EVANIIDAE — TOWNES 539 



about 1.5 as long as wide, of female about 1.2 as long as wide ; median 

 part of pronotum as seen from above witli a narrow upper face ; meso- 

 scutum in dorsal view about 0.90 as long as wide, its punctures sepa- 

 rated by about 0.33 their diameter in larger specimens and by about 

 0.67 their diameter in smaller specimens; mesopleurum with an im- 

 pression in its median posterior corner, with oblique ridges near its 

 upper posterior margin, and in larger specimens with some large 

 punctures on its lower swollen part (fig. 44, /) ; under side of hind 

 femur with small and moderately small punctures, it impunctate area 

 extending from about its middle to the apex; longer spur of hind 

 tibia about 1.2 as long as the shorter spur and about 0.40 as long as 

 the hind basitarsus ; first tergite with scattered oblique punctures and 

 a very fine sculpture that gives it an opaque glaucous surface. 



Black or largely ferruginous. In a black specimen the mandible 

 except basally, tegula, front tibia and tarsus, and middle tarsus are 

 fulvous, and the apical 0.3 of first tergite is tinged with ferruginous. 

 All specimens but one from Mexico have more or less extensive ferru- 

 ginous coloration, as noted under the generic description. 



Type. — 9 , Huachuca Mountains, Ariz., July 20, 1937, D. J. and J. N. 

 Knull (Washington). U.S.N.M. No. 58750. 



Paratypes. — 5, Evergreen, Ala., August 2 (Washington). 5, 

 Spring Creek, Decatur County, Ga., July 16 to 29, 1912 (Ithaca). 

 S , Suerre, Atlantic side, Costa Rica, July 20, 1923, A. Alfaro (Wash- 

 ington) . $ , Cuernavaca, Mexico, November 4, 1922, E. C. Smyth 

 (Washington). 



U. S. GOVERNMENT PR NTING OFFICE 1949 



