I02 CALIFORNIA ACADEMY OF SCIENCES. 



Ammopiiila femur-rubra n. sp. 



? . — Ch'peus depressed in the middle anteriorly, with 

 rather strong separated punctures on fore portion, its an- 

 terior margin slightly incurved medially: front and vertex 

 very tinely and closely punctured, the former deeply 

 channeled down the middle ; vertex a little depressed on 

 each side of the hind ocelli; space between the hind ocelli 

 much less than the distance separating them from the 

 nearest eye margin ; first joint of flagellum about equal 

 to the length of the two following joints united ; prothorax 

 and dorsulum strongly impressed down the middle, with 

 a rather indistinct punctation ; scutellum longitudinally 

 striated on apical half, impressed; sides of metanotum 

 with longitudinally oblique striations, those in the inclosed 

 space transversely oblique ; propleuras indistinctly striated 

 below; mesopleurte sparsely punctured; petiole of ab- 

 domen composed of two segments. Black; abdomen, 

 except spot at the base of second segment of petiole, large 

 spot on third and fourth and the dorsal and ventral apical 

 segments, pale red; all the femora, except a black line 

 on top the anterior and posterior, also red (sometimes the 

 fore tibitC and tarsi red) ; front, clypeus, cheeks, tubercles, 

 large elongate mark on meso- and metapleurje, posterior 

 face of metathorax and a spot on the median and hind 

 cox£e, of silvery pile; clypeus, mandibles and cheeks 

 with long, sparse, pale pubescence; wings subh^^aline, 

 slightly darker on apical margins, second submarginal 

 cell at the top wider than the second. Length 18-20 mm. 



San Jose del Cabo, October. Seven specimens. The 

 red femora and black tibia? and tarsi will distinguish this 

 from any of the North American or Mexican species of 

 Ammophila now known. 



Sphex ( Chlorion ) nearcticus Kohl. One ? . El 

 Taste, 3,400 feet. 



