1861] 481 



s. Crabro odyneroides, n. sp. 



Black ; stripe on mandibles, scape of antennae, interrupted line on collar, 

 tubercles, line on postscutellura, tibiae and base of tarsi, and fasciae on second 

 and four following segments of abdomen, yellow : wings fuliginous. 



Male. — Deep black, opaque, very densely punctured, thinly clothed 

 with a pale fuscous pubescence ; a stripe on base of mandibles, and the 

 scape of the antennae, yellow, the sixth joint of the latter strongly pro- 

 duced beneath. Thorax : an interrupted line on the collar, tubercles, 

 and a line on the postscutellum, yellow ; metathorax rugulose, not stri- 

 ated at base ; tegulae testaceous. Wings uniformly stained with pale 

 fuliginous; nervures fuscous. Legs black; tips of the four anterior 

 femora, a line on the two anterior pair beneath, all the tibiae except a 

 line on the two anterior pairs beneath, and a spot on the posterior pair 

 at tip beneath, yellow ; tarsi fuscous, the two basal joints yellow. Ab- 

 domen subsessile, convex, minutely punctured and shining; the second 

 and four following segments each with a median, yellow fascia, the 

 two first attenuated in the middle, the second slightly interrupted in 

 the middle in one specimen, and very widely interrupted in the other, 

 leaving only a transverse spot on each extreme side ; in the former 

 specimen the basal segment has a yellow dot on each side ; the other 

 fasciaa are continuous and of equal width ; apical segment black, im- 

 maculate, punctured, with a slight central, longitudinal impression ; 

 venter black, immaculate. Length 4 lines; expanse of wings 6£ lines. 



Two specimens. This species has somewhat the shape and markings 

 of certain species of Oilynerus. 



9. Crabro bellus, n. sp. 



Black ; scape of antennae, two lines on collar, tubercles, tibiae and tarsi, and 

 interrupted fasciae on abdomen, yellow; wings subbyaline; thorax with longi- 

 tudinal punctures. 



Female. — Black, opaque ; head large, quadrate ; clypeus clothed 

 with pale pubescence ; vertex with strong, sparse punctures, the occiput 

 and cheeks with very dense fine punctures ; antennas black, the scape 

 yellow, the small second joint dull honey -yellow. Thorax : mesothorax 

 and scutellum with rather dense, longitudinal punctures, running into 

 striae on the scutellum and posterior part of mesothorax ; pleura with 

 fine longitudinal striae ; metathorax rugose or somewhat reticulated ; a 

 transverse spot on each side of the prothorax above, and the tubercles, 

 yellow; tegulae dull testaceous. Wings pale fulvo-fuscous, a little darker 

 at tips ; nervures dull honey-yellow. Legs black ; tips of the four an- 

 terior femora, all the tibiae and base of tarsi, yellow; rest of tarsi dusky. 

 Abdomen subsessile, ovate, shining, minutely punctured ; the first five 

 segments each with a median, yellow fascia, slightly interrupted in the 



