380 BULLETIN 15, UNITED STATES NATIONAL MUSEUM. - 



ISMARUS Halidiiy. 

 Nut. Hist. Rev., iv, p. IfiJt (1857). 

 Entomiita H. Sehf., Num. Ent., ii. 



(Typ*' T- (lofHujer Curtis.) 



Head transverse, much wider than tlie thorax, the occiput rounded; 

 ocelli 3, triangularly arrauj;ed; eyes rcumded, bare. 



Antenna? in 9 L~) jointed, subnioniliform; in S l4-jointed, filiform, 

 the fourth joint excised at base. 



Maxillary palpi 4-jointed; labial palpi 3-jointed. 



Mandibles short, arcuate, bidentate. 



Thorax subovate, the pronotum visible from above, the anterior 

 an gfles straight; mesonotuin without furrows; scutellum convex, mar- 

 gined at sides and with a fovea at base; metathorax short, rugulose, 

 the angles unarmed. 



Front wings pubescent, with a small, triangular, closed marginal cell 

 and a basal cell; the marginal vein is longer than tlie marginal cell. 



Abdomen ovate or oval, the petiole short, only a little longer than 

 thick, the secoiul segment large, occupying about half of the remain- 

 ing surface, with a median sulcus at base, tlie following segments 

 short, about equal. 



Legs moderate, pilose or ])ubescent, the hind tarsi not longer than 

 their tibiae, the basal joint three times as long as the second. 



This genus is not found in our fauna. On PI. xv, Fig. (>, I figure 

 the male of Ifunarus ruyulosiis Fiirst., to give our students some idea of 

 the genus. 



ANOMMATITTM Ffirster. 

 Hym. Stud., ii, pp. 130 ot 140 (1856). 



Head subglobose, without ocelli ; the eyes rounded, pubescent. 



Antenna? inserted on a frontal prominence, in 9 14-jointed, incras 

 sated toward tips, the last joint strongly developed, nearly round, and 

 much thicker than the penultimate. 



Thorax as in Aciista. 



Wings entiiely wanting. 



Abdomen ovate cr conic, the petiole a little longer than thick. 



Legs of moderate length, the femora clavate, the tarsi not especially 

 long, joints 2 to 4 gradually subequal, the last joint as long as the two 

 preceding; claws stout. 



The type of this genus is not mentioned by Forster and the genus is 

 not yet recognized in our fauna. 



T^""" ANECT AT A Forster, ^^ ;--. 2i;_^!: 



Hym. Stud., n, p. 130 (1856). 



Head transverse or subglobose; ocelli 3, close together, in a triangle; 

 eyes oval, pubescent. 



