3K0 BULLETIN ir>, UNITED STATE8 NATIONAL MUSEUM. 



ISMARU3 Haliday. 

 Nut. Hist. K'ev., i\', p. lfi!» (1857). 

 Entoiniiis H. Scbf., Noin. Ent., ii. 



(Tj'pe /. <lursi(jcr Curtis.) 



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

 ocelli 3, triangularly arran.ned; eyes rouiuled, bare. 



Autennjt! in 9 ir)-jointed, subnioniliform; in S 14-jointcd, tilitbrni, 

 the fourth joint excised at base. 



Maxillary palpi 4-Jointed; labial palpi -'i-jointed. 



Mandibles short, arcuate, bidentatc. 



Thorax subovate, the pronotuni visible from above, the anterior 

 angles straight; mesonotuni without furrows; scutelluni convex, mar- 

 gined at si<les and with a fovea at base; nietathorax short, rugulose, 

 the angles unarmed. 



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

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



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

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

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

 short, about equal. 



Legs moderate, pilose or pubescent, the hind tarsi not longer than 

 their tibia', the basal joint three times as long as the second. 



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

 the male of Ismarus ru{/uJosHf> Fiirst., to give our students some i<lea of 

 the genus. 



ANOMMATIUM Forster. 

 Hyiu. Stud., II, pp. 130 et IJO (1856). 



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



AntennjB 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 Aclista. 



Wings entirely wanting. 



Abdomen ovate or 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. 



ANECTATA Fcirster. 



llyni. Stud., ii, p. 130 (1856); 



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

 eyes oval, pubescent. 



