123 



[254 j V. HYMKiNOPTKRA. 

 Family ciMBiciD/t. 



351. CiMHLX nMukAiA Ltiiii. ' -englli of i)()dy so lines; expansion 

 of wings 21 lines. A single specimen taken in J^at. (i^\ 



%. Body very black, hairy. Antenme yellow, brown at the base ; 

 legs blue-lilack ; tarsi yellow ; wings hyaline with yellow nervures, brown 

 at the tip, with a brown cloud in the middle areolet adjoining the costa. 



352. Trichkxsoaia TR'ANiiL llm A'/>/{y'. -Length of body 9 lines. 

 A single specimen taken in l.at. 65". Another was also sent me from 

 Canada by l)r, Bigsby. 



[255.] Body black, shining, covered with soft and woolly whitish 

 hairs, punctured more or less. Head, excluding the mmdibles, depressed, 

 orbicular, as wide as the trunk ; mandibles crossed, very sharp, black ; 

 upper lip subpentagonal, Hat with a longitudinal elevation in the middle, 

 hairs on this part black ; anterior margin of the nose wavy, emarginate in 

 the middle ; antennae with the fourtli, fifth, and sixth joints testaceous ; 

 three eyelets behind the antennae arranged in a triangle ; eyes oval, pro- 

 minent ; vertex square, marked out by a ridge on each side ; trunk 

 subglobose ; prothorax with a longitudinal furrow ; thighs and coxae 

 black-blue ; under a strong magnifier beautifully and most minutely 

 reticulated, which gives them a silky lustre ; the rest of the leg is testa- 

 ceous ; the two posterior pair of thighs are thicker than the others and 

 armed at the apex with a short tooth on each side, between which is a 

 cavity to receive the shank when folded ; tarsi with a sucker underneath 

 at the apex of the four first joints ; wings testaceous with piceous ner- 

 vures, and a cloud at the tip ; abdomen ferruginous with a dorsal 

 triangular black spot, extending from the base towards the apex, but not 

 entering the last segment ; the basilar ventral segments are spotted with 

 brown. 



[Found in Canada and Colorado.] 



353. Trichiosoma lucorum Lifw. — Length of body 7 lines ; expan- 

 sion of wings 1 5 lines. A single specimen taken in Lat. 65°. 



