422 HYMENOPTERA. 



the abdomen shining • the stemraata in a triangle on the vertex ; 

 the face deepl}- canaUcnlated, covered, as well as the clypeus, 

 with silvery pubescence. The disk of the thorax very finelv and 

 closely punctured, slightly shining ; the metathorax finely longi- 

 tudinally rugose, with a cential longitudinal channel extending 

 from the base to the apex ; wings smoky, the posterior pair 

 palest. Abdomen faintly punctured towards the apex, the apical 

 segment more strongly so, with the margins carinated, the apex 

 rounded. 



Hab. Sandwich Islands. 



143. Crabro distinctus. B.M. 



Female. Length 3 lines. — Black : the head and thorax opake ; 

 the stemmata in a curve on the vertex ; the face canaliculated ; 

 the inner orbit of the eyes half-way towards their vertex, and 

 the clypeus, covered with golden pubescence ; the scape and 

 mandibles yellowish-white, the tips of the mandibles, and a nar- 

 row stripe on the scape within, black. Thorax : an interrupted 

 line ott the collar, the tubercles and a spot behind, the scutellum 

 and post-scutellum, yellowish-white ; wings faintly coloured and 

 iridescent. Abdomen : the basal segment with a large trans- 

 verse irregular -shaped spot, which is somewhat arched in front, 

 and with two deep rounded emarginatious behind, which have a 

 wide one outside extending to the apex of the spot ; the second, 

 fourth and fifth segments have an uninterrupted fascia at their 

 base, of a yellowish-white ; the apical segment shining and 

 punctured. 



Hab. Sandwich Islands. 



144. Crabro fuscipennis. 



Crabro fuscipennis, St.Farg.Aiin.Soc.Ent.Fr. iii. /lO. 11; Hym. 

 iii. 113. U. 



Dahlb. Hym. Europ. i. 385. 255. 



Hab. India. 



145. Crabro insignis. 



Female. Length 6^ lines. — Black : head opake, subquadrate, 

 rather wider than the thorax ; the stemmata in a curve placed 

 forwards on the vertex ; the clypeus covered with pale golden 

 pubescence ; antennae and mandibles black. Thorax o])ake : 

 the collar grooved, with the anterior angles acute ; the rueso- 

 thorax longitudinally striated, with three abbreviated carinae in 

 front; the metathorax with a half-circular space at its base, 



