144 Journal New York Entomological Society. [Voi. xn. 



Canon), 8800 feet, at flowers of Potentilla, July 21, 1903 (W. P. 



Cockerell). 



Philanthus albifrons Cresson [/lenricus Dunning). 



Beulah, N. M., August 16, 1900 (T. D. A. and W. P. Cockerell) ; 

 Pecos, July 25 to August 18, 1903 (Cockerell) ; Las Vegas Hot 

 Springs, a more sparsely punctured form (Cockerell). Also on the 

 Gila River in New Mexico (C. H. T. Townsend). 



Philanthus pulchellus Cresson. 



Pecos, at Fallugia, June 23 and 24, 1903 (W. P. Cockerell) ; 

 Beulah, June 29, 1902 (Viereck). 



The markings of the abdomen are variable. 



Philanthus pacificus Cresson. 



Las Cruces, at staminate flowers of Croton neomexicani/in, Septem- 

 ber 25, 1895 (Cockerell). 



Philanthus scelestus Cresson. 



Santa Fe (see Canadian Entomologist, 1S98, p. 152). 

 Philanthus ventilabris Fabricius. 



Socorro (Cockerell, 3168), xzx. frontalis, Cresson, Alesilla Valley 

 (Cockerell), Gila River (Townsend), Las Vegas (Cockerell). 



Philanthus punctinudus, new species. 



$. 6.5 mm. Head: yellow with the vertex, occiput, cheeks, a very narrow 

 margin along the inner orbits, a spot back of the insertion of antennae, mandibles and 

 antennae black ; two yellow spots back of posterior ocelli ; eyes dull brownish, almost 

 impunctate, except on vertex where the punctures are distinct but sparse ; a distinct 

 median longitudinal impressed line between the antennae, not extending to the clypeus ; 

 third joint of antennae longer than 4+5; shorter than 4-^5 + 6; hardly any molar 

 space. 



Thorax : Pronotum slightly notched in the middle, with some obscure punctures, 

 yellow ; dorsulum polished, sparsely punctured, slightly impressed in the middle, two 

 yellow streaks along the middle line and a yellow spot above each tegula ; meso- 

 pleura almost reticulate with a yellow spot adjoining the yellow tubercles ; scutellum 

 and postscutellum yellow with a slight median impressed line, sparsely punctured like 

 the dorsulum ; metathorax shining black with two yellow spots on the superior disc 

 which is impressed medially, the impression rugulose, otherwise the surface of the 

 metathorax is interrupted by sparse, shallow punctures, sparsest on the superior face; 

 tegulae and base of wings yellow, transverse median nervure almost interstitial with 

 the basal, first recurrent nervure received by the second submarginal cell before the 

 middle, second recurrent nervure received by the third submarginal cell before the 

 basal fourth, stigma and costal nervure pale testaceous, the other nervures darker, 

 rather fuscous ; femora brownish to blackish, except the yellow tips, trochanters and 



