160 ENTOMOLOGICAL NEWS. [Jvme 



bands broadly interrupted on the middle of 2-4 and nar- 

 rowly on 5 ; a small black spot near the lateral apical margins 

 of segments 4-5. Ventor yellow, with irregular black mark- 

 ings. 



Habitat, Berkeley, Cal. (H. O. Wood worth), March 16. 

 One specimen. 



10. NOMADA CROTCHII Cress. San Mateo, Cal., April 13. 

 One specimen. 



11. NOMADA OBLIQUA, n. Sp. 



7 mm. Small, black, with brownish abdomen. 



$ Head black, densely punctured, clothed with white 

 pubescence, thin on vertex ; the lower anterior and posterior 

 orbits, the anterior margin of the clypeus and mandibles (ex- 

 cept tips) yellow ; nagellum black above, brown beneath, 

 second joint nearly as long as third. Thorax black, immacu- 

 late, densely and finely punctured, clothed with white pubes- 

 cence, thin and short on nietathorax ; wings dusky on narrow 

 apical margins; legs black, with short white pubescence, 

 longer on anterior and intermediate femora behind ; anterior 

 femora in front and behind yellow, above and beneath black ; 

 intermediate and posterior femora with a little yellow on the 

 apical portion beneath ; all the tibiae and tarsi yellow beneath, 

 obscurely so in the posterior pair. Abdomen smutty red, 

 pale on apical segments, clothed with thin white pubescence, 

 rather long and thick on apical segments ; the first segment is 

 black except a narrow subapical reddish line; the apical mar 

 gin of the second, a subapical line on the third, and the base 

 of the remaining segments black ; the sides of segments 3-4, 

 with a large black spot, following which is an elongate, 

 oblique yellow spot. Venter black ; segments 2-5 with yellow 

 or reddish bands, more or less interrupted laterally by large 

 black or brown spots, which are usually continent with the 

 basal black of the segments. 



Habitat, Berkeley, Cal. (H. O. Woodworth), March 2S to 

 April 12. Two specimens, collected upon l\i<int>tctiln* <-<tH/<-- 

 nica. 



12. NOMADA OBSCURA, 11. Sp. 



7.5 mm. Black, abdomen with dull red bands. 

 r? Head black, densely punctured, clothed with pale pubes- 

 cence, thin on vertex ; lower corners of the face, narrow ante- 



