' MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPID^. 235 



Baeoneura bicolor n|>. uov. 

 (PI. IX. Fig. 6.) 



9. Leiifftb 1""". Elongate, liifjhly polislied, black; abdomen, legs 

 and antennae, except tbe clnb, brownisb or lioney-yellovv. Wings hya- 

 line, narrow, strongly fringed. Olnb of antennic brown, 5-Jointed. 

 Abdomen pointed fusiform, much longer than the head and thorax 

 united, flat, or strongly depressed. 



Habitat. — Arlington, Va. 



Type in C<dl. Ashmead. 



A single specimen, taken by beating. 



IDRIS Forster. 



Hym. Stud., II, p. 102 (1856). 

 (Type /. y?aritw«i» Fiirst.) 



Head transverse or subqnadrate, the cheeks and occiput delicately 

 margined ; ocelli 3, in a triangle, the lateral not touching the border of 

 the eye; eyes large, oval, pubescent. 



Antennae inserted close to the mouth, 12-jointed in both sexes; in 9 

 clavate, the club G jointed ; in S filiform. 



Maxillary palpi 4-jointed ; lal)ial palpi 3-jointed. 



Mandibles deeply bitid at apex. 



Thorax ovoid, rounded before, the prothorax slightly visible from 

 above; mesouotum a little broader than long with two distinct furrows, 

 sometimes obsolete posteriorly; scutellum semicircular, with a punctate 

 frenum; metathorax short, subemarglnated. 



Front wings when folded extending to, or a little beyond, the tip of 

 the abdomen, the submarginal vein h)ng, reaching the costa beyond the 

 middle of the wing, the marginal vein short, the postmarginal vein 

 scarcely developed or never longer than the shaft of the stigmal vein, 

 the latter rather short, obliciue, and knobbed at tij); basal nervure 

 wanting. 



Abdomen oblong-oval, subpetiolated, the first and second segments 

 about equal, the third the longest segment. 



Legs very similar to Hadronotua. 



Idris Iseviceps up. nov. 



S . Length 1.50""". Black, polished, the thorax faintly microscopically 

 punctate, sparsely i>ubescent. Mandibles rufous, the teeth and apex 

 black. Antennae and legs reddish yellow. Mesouotum with two fur- 

 rows. Wings subhyaline, fringed, the basal vein distinct, the marginal, 

 twice as long as thick, the postmargiiml but slightly developed, the 

 stigmal short, terminating in a little knob. Abdomen black, polished, 

 pubescent toward tlie apex, the first and second segments striated. 



Habitat. — ArUngton, Va. 



Type in Coll. Ashmead. 



Described from a single specimen. 



