T08 CALIFORNIA ACADEMY OF SCIENCES. 



on the anterior pair drawn out into a line, anterior and 

 middle femora beneath, large spot on each side of first 

 dorsal abdominal segment, narrow line at apex of the 

 remainder interrupted medially, apical margin of second 

 ventral and greater part of ventral segments 3-5, white; 

 wings subhyaline. Length, 10 mm. 



San Jose del Cabo, October. Related to coriiutus Rob., 

 but lacks the tubercle on vertex, the punctuation is decid- 

 edly stronger and the markings are white. 



Crabro imbutus n. sp. 



? . — Clvpeus stronglv carinated, the produced medial 

 portion with its fore margin subtruncate; head finely and 

 closeh^ punctured, finer on the cheeks, and sparsely 

 clothed with long, pale-brownish hair; frontal depression 

 distinct; on each side of it and the median lobe of cly- 

 peus with a pale golden pubescence, that on the lateral 

 clypeal lobes and the cheeks, silvery ; hind ocelli separated 

 from each other by a much less distance than they are 

 from the eye-margin, the fore ocellus separated from the 

 posteriors by about half the distance that separates them ; 

 from the fore ocellus there is a distinct, though not strong 

 carina, extending back to the occiput; first joint of fla- 

 gellum more than one-quarter, but less than one-third, 

 longer than the second, the latter longer than the third; 

 dorsulum closely and coarsely punctured, depressed lon- 

 gitudinally in the middle; scutellum impressed, the punc- 

 tures more distinct ; metathorax furrowed its entire length, 

 much more deeply on posterior face, the latter is coarsely 

 and transversely striated, the upper surface longitudinally 

 and obliquely so ; mesopleura; coarsely punctured and 

 striated ; a distinct furrow between the epimerum and epi- 

 sternum of the mesothorax; episternum of metathorax 

 coarselv striated : metapleura; fineh' striated ; first seg- 

 ment of abdomen sparsely punctured basally, rather 



