166 E. T. CRESSON. 



1)1). infucatus, Cress. Proc. Ent. Soc. Phil, iv, p. 252, % . 



Hub. — Col., Cal., Vancouver's Island. This is a black species, with 

 the face, clypeus, scape beneath, tegulge, spot before and beneath, 

 scutellum, legs (except coxae, posterior femora and tips of their tibias) 

 tips of first abdominal segment and the three, following segments more 

 or less, yellow ; ope specimen has two yellow spots on metathorax pos- 

 teriorly; the basal margin of fourth abdominal segment is generally 

 more or less black, occasionally also the base of third and rarely that 

 of second ; one specimen has the second and third segments and sides 

 of the face of a beautiful rosy-fulvous, color, another specimen has the 

 second, third and fourth segments entirely yellpw; apex of abdomen 

 always fulvous; wings smoky-hyaline. Length % ^45— r.55 inch. 



This and incoiistuns may prove to be varieties of (he same species. 



100. salvus, Cress. Proc. Cal. Acad'. Nat. Sci. 1877. 



HaU. — Vancouver's Island. This rather large species is black with 

 the face, clypeus, scape beneath, tegula3, line in front, scutoUumj spot 

 behind, four anterior coxae and legs, posterior tibias and tarsi and sec- 

 ond and third abdominal segments yellow; posterior coxae and femora 

 and third abdominal segment fulvous ; posterior margin of second, third 

 and Iburth segments narrowly blackish; apex of postpetiole fulvous, 

 yellow laterally ; mesothorax has tWo indistinct dull ferruginous longi- 

 tudinal lines; wings yellow-hyaline. Length % .65 inch. 



101. subdolus, Cress. Trans. Am. Ent. Soc. i, p. 298, $. 



Hub. — Can., Me., Mass. A very robust species, with short, stout 

 antennae, the joints of which are short and thick. The vertex, meso- 

 thorax, metathorax except flanks, tibiae, tarsi, postpetiole and apex of 

 abdomen are ferruginous; annulus on flagellum, scutellum and band 

 at apex of Second and third segments of abdomen are yellowish, some- 

 times the postpetiole has a yellow dot on each side ; wings fusco-hyaline, 

 with a golden gloss. Length $ .55 inch. 



102. jucundus, BruUe, Hym. p. 305. 



Hub. — Can., Me., N. Y., Pa. This handsome species is shaped like 

 subdolus^ and is easily recognized by the fulvous second abdominal seg- 

 ment, while the third, fourth and sixth are black with a yellow band 

 at tip ; the antennae are short, thick and tricolored — fulvous-yellow 

 and black, and the legs are fulvous ; wings fusco-hyaline. Length 9 

 .45 — .55 inch. 



This may be the 9 o^ Jlavizonatus. 



