174 E. T. CRESSON. 



has a pale spot on the scutellum, and a % from Can. has the last two 

 segments of abdomen black. The 9 var. incertus has the legs, except 

 coxse and trochanters, ferruginous. The % var. californicus has dark 

 brown abdomen and ferruginous legs. Length % 9 .50 — .70 inch. 

 This species has been found to be parasitic on Vanessa Hunteri. 



138. placidus, Prov. Nat. Can. vii, p. 76, % . 



Hah. — Canada, (coll. Provancher). Size and appearance of rnfi- 

 ventris, % . Black; abdomen dark ferruginous beyond first segment; 

 face, clypeus, scape beneath, short line before tegulas, dot beneath, 

 spot on disc of scutellum, four anterior coxae and trochanters beneath 

 more or less, anterior tibijB and femora before, and tips of middle 

 femora before, white ; wings violaceous-black ; metathorax rugose, with 

 sharply elevated lines, central area subreniform, large; postpetiole large, 

 broad, coarsely rugose ; gastroeoeli large and deep, black. Length 

 .65 inch. 



139. devinctor, Say, Am. Ent. pi. 22. 

 tibialis, Brulle, Hym. p. 300. 



montivagus, Cress. Proc. Eut. Soc. Phil, iv, p. 255, % . 

 Hab. — Can., Pa., Del., Md., Ga., 111., Col. A rather large species 

 with red abdomen, pale scutellum, and white annulus on tibiae and 

 antennae 9 . The % closely resembles that of grandis, but separated 

 at once by the scape being entirely black and by the white spot 00 

 posterior tibiae near base. Length % 9 .55 — .80 inch. 



140. lividulus, Prov. Nat. Can. ix, p. 10, 9 . 



Hub. — Canada. A robust species near rufiventris, but differs from 

 that species by the conspicuous whitish scutellum, shorter and stouter 

 antennae, paler wings, and ferruginous tibiae and tarsi. Length 9 

 .65 inch. 



141. insolens, Cress. Trans. Am. Ent. Soc. i, p. 302, % 9 . 

 Joppa canadensis, Prov. Nat. Can. vi, p. 336, % . 



Hab. — Can., N. C, Ga., Fla., La., Tex. A narrow, subcylindrical 

 black species, with posterior femora and abdomen dark ferruginous, 

 blackish wings and white annulus on antennae. Length % 9 -^5 — 

 .65 inch. 



This may be the Joppa maurator, Brull*i, Ilym. p. 287. 



142. succinctus, Brulle, Hym. p. 301. 



Hah. — Can., N. Y., Pa., Md., 111., La. This species is easily recog- 

 nized by the ferruginous abdomen banded with black, pale scutellum, 

 yellow tibial and tarsi and blackish wings ; the black bands on abdo- 

 men vary much in width. Length % .60 — .65 inch. 



