142 Journal New York Entomological Society. [Voi. xii. 



Aphilanthops bakeri Dunning. 



" New Mexico "; one in Coll. Amer. Ent. Soc. 

 Aphilanthops quadrinotatus Ashmead. 



Mesilla Valley (Cockerell) ; Glorieta, 1903 (Cockerell). 

 Aphilanthops laticinctus (Cress). 



Mesilla Valley (Cockerell); Santa Fe (Cockerell). 



Genus PHILANTHUS Fabricius. 



As here used, this generic name includes Anthophihis and Fseii- 



dantliophiliis. 



Table of Species. 

 Females and males. 



Predominating color of abdomen yellow (at least in one sex) I. 



Predominating color of abdomen black 3. 



1. Very large, about 1 8 mm. long gloriosus. 



Smaller 14 mm. long and less 2. 



2. First abdominal segment with red basilaris. 



First abdominal segment with no red. 



Head behind the eye marked with yellow ; head and thorax not distinctly 

 hairy ; first abdominal segment coarsely punctured. 



First segment of abdomen impunctate or nearly where the anterior face 



joins the superior face crabronif ormis . 



First abdominal segment finely punctured where the anterior face joins 



the superior face crotoniphilus. 



Head behind the eye without a yellow spot, all black. 



Head and thorax distinctly hairy ; first abdominal segment finely punc- 

 tured albopilosus. 



Head and thorax not distinctly hairy ; first abdominal segment coarsely 

 punctured puDctinudus. 



3. Segments of abdomen very coarsely punctured cockerelli. 



Segments of abdomen at least in part rather moderately punctured ; abdomen with 



sinuate or broken bands. 

 Females. 



Clypeus with a rounded out truncation and a blunt tooth each side 



thereof psyche. 



Clypeus simple politus. 



Males. 



Two series of punctures on third dorsal segment 4. 



One series of small or moderate punctures on third dorsal segment.. 5. 



4. Punctures rather dense albifrons. 



Punctures rather sparse albifrons . 



5. Front with a large yellow spot and a large black space between it and the eyes. 



pulchellus. 



Front with the yellow space larger, extending to the eyes and connected with the 



yellow below pacificus. 



