366 AMERICAN HYMENOPTEKA. 



studying Provancher's type and finding it quite distinct, I feel justi- 

 fied in making this a new species. It also differs quite as distinctly 

 from niger. 



Exetastes abbreviatus n. sp. 



9 %i ■ — 12 mm. Black, pilose, with the clypeus, mandibles, except apex, tegulje 

 and spot before, white; palpi and four anterior legs from apex of femora out, 

 and basal two-thirds of posterior tibiffi dirty white, contrasted more strongly by 

 the black, bristly hairs on them ; apex of middle tibife and tarsal segments more 

 or less dusky ; hind femora dusky rufous shading into black at apex ; apical third 

 of posterior tibise and all of hind tarsi black; remainder of legs ferruginous; 

 wings hyaline, nervures and stigma black, paler at base; no stump of a vein 

 above third discoidal cell, second recurrent nervure straight, areolet small, petio- 

 late, transverse median vein of hind wing broken in middle; head transverse, 

 punctured ; clypeus short, transverse, separated from the face by a broad impres- 

 sion ; thorax punctured, glabrous on upper posterior part of mesojileura ; abdo- 

 men finely i)unctured, compressed from segment 3, postpetiole broad, petiole with 

 deep central groove nearly to apex, ovipositor short. 



Two females and one male from Mt. Washington, N. H. (Mrs. 

 Slosson). 



CeratoKonia riibjata n. sp. 



9- — 12 mm. A deep fire-red, with tips of mandibles, spot enclosing ocelli, 

 three .^trijjes on mesonotum, the anterior one extending to the prothorax and the 

 two at the side uniting in front of the scutellum, sutures of the thorax and basal 

 half of abdominal segments 2—1. black ; the posterior tibiiB are slightly dusky at 

 apex ; the entire body, including metathorax, is smooth, shining and without 

 puncture; the abdomen is sharply pointed and segments 2 and 3 have the diag- 

 onal diverging grooves as in Glypta ; wings dusky yellow with veins brown, 

 stigma and costal margin the color of boJy. the former paler in the center. 



One specimen from northern Illinois (Dr. Nason). 



Arotes apicatu!!* n. sp. 



9 . — 11 mm. ; ovipositor 8 mm. Black with lemon-yellow marking as follows : 

 anterior orbits, yellow spot on front beneath antennae., clypeus, mouth-parts ex- 

 cept tip of mandibles, cheeks beneath and back of eyes, scape beneath, annulus 

 on antennal segments 10-20, tegulse, spot beneath, prosternum, scutellums, apex 

 of metathorax. a median dorsal rhomboidal spot at apex of segments 1-4, apical 

 segments and venter; posterior legs with coxse black, trochanters yellow, femora 

 and tibiiB ferruginous, tarsi fulvous, four anterior legs lemon-yellow, with femora 

 tinged with ferruginous and coxae dusky above; the entire body is shining, 

 sparsely punc^tured, and from each puncture issues a small hair; face coarsely 

 punctured ; wings hyaline, with a short transverse fuscous line extending from 

 the center of the stigma obliquely across the marginal vein ; apex of wing, opaque 

 by a dark brown blotch, abbreviated beneath ; veins brown, stigma honey-yelloWr 

 except a longitudinal dash below near the origin of the marginal vein ; recurrent 

 and cubital nervures coalesce. 



One specimen taken in woods at Agricultural College, Michigan? 

 July 8th. 



