178 E. T. CRESSON. 



sometimes a dot on each side of postpetiole and occasionally a spot 

 on each side of third segment yellow ; legs ferruginous. Length $ 

 .50 inch. 



162. confirmatus, n. sp. 



9. — Slender, fulvo-ferruginous; head, antennse, pro- and mesothorax and 

 lateral regions of scutelluin, black; face, orbits, margins of prothorax, and 

 scutellum, whitish ; wings hyaline; antennae slender, basal joints of flagellum 

 elongate; legs slender; abdomen narrowly fusiform, gastrocoeli large, oblique. 

 Length .37 — .45 inch. 



Eab.—Cau., Mass., N. Y. 



163. velox, Cress. Proc. Ent. Soc. Phil, iii, p. 185, $ . 

 Phi/gadeuon apicafus, Prov. Nat. Can. vii, p. 180, $ . 

 P1ii/(jadeuon Cressoni, Prov. Nat. Can. viii, p. 318, 9 • 



ffah. — Can., Pa., N. J., 111. A ferruginous species, with pleura 

 and metathorax black; wings clear; apex of abdomen with yellowish 

 spot, gastrocoeli very transverse, nearly meetiug on the disc ; antennae 

 black, with broad pale annulus; posterior femora more or less black. 

 Length 9 .30 — .40 inch. 



164. ultimus, n. sp. 



9 . — Small, black, shining; face short; anterior orbits, spot on middle of face, 

 clypeus and scape beneath dull ferruginous; antennee with moderately short 

 basal joints, a broad yellowish annulus on flagellum ; mesothorax sparsely punc- 

 tured ; scutellum flat, yellow; wings subhyaline; legs robust, especially the 

 femora, black, basal half of tibife yellow, tarsi ferruginous; abdomen except 

 base of first segment ferruginous, a yellow spot on apical segment, postpetiole 

 broad, smooth. Length .35 — .40 inch. 



iTai.— White Mts., N. H. (Morrison). 



165. vivax, n. sp. 



9- — Small, rather robust, head and thorax, except scutellum, black immacu- 

 late; antennre slender, black, with a broad yellowish annulus; scutellum pale 

 yellow; wings subhyaline; legs subrobust, black, four anterior knees, tibise, 

 posterior tibifB excejjt tips, and all the tarsi ferruginous; abdomen robust, fer- 

 ruginous, first segment black, a whitish spot on two apical segments. Length 

 .30 inch. 



Hub.— ^Yh\te Mts., N. H. (Morrison). 



166. vafer, n. sp. 



%. — Small, black; anterior orbits broader on face, spot on each side of 

 clypeus, mandibles, narrow annulus on antennae, spot on tegulsa, line before, 

 short one beneath, scutellum and sj)ot on anterior coxse beneath, white ; femora 

 and abdomen except base of first segment, ferruginous; wings hyaline; an- 

 tennae about as long as the body, slender; base of first abdominal segment 

 rugose, gastrocoeli large, deep. Length .30 inch. 



IIab.--\\\nlG xAlts., N. H. (Morrison). 



