MONOGRAPH OF THE NORTH AMElilCAN PKOCTOTRYTID^. 119 



is almost as long as the first. Legs rufous or reddish yellow. Wiugs 

 subhyaline, pubescent. Abdomen a little longer than the thorax, pol- 

 ished black, a little rufous or piceous toward base. 



Habitat. — District of Columbia. 



Type in Coll. Ashmead. 



Described from a single specimen. 



DICHOGMUS Thomson. 



Ofv. 1859, p. 301. 



(Type D. dimidlatiis Thorns.) 



Head large, wider than the thorax, the front convex, the occiput 

 narrowly margined; ocelli 3 triangularly arranged, the eyes rather 

 large. 



AntennaB inserted just above the clypeus, 11-jointed in both sexes, 

 in S longer than the body, filiform, densely pubescent. 



Maxillary palpi 5-jointed; labial palpi 3-joiuted.. 



Mandibles bidentate. 



Thorax subovoid, with a slight collar, the mesonotum with 2 im- 

 pressed lines, the metathorax very short. 



Wings entirely wanting. 



Abdomen ovate, the apex slightly pointed; the second segment very 

 large, very faintly stiolate at base. 



Legs pubescent. 



A European genus uoc yet recognized in America. It resembles 

 Layynodes Forster and Eumegaspilus Ashm., but is easily separated 

 from both by the two distinct mesonotal furrows. I have seen speci- 

 mens of the genus in Europe. 



EUMTIGASPILnS Ashm. 



Can. Ent., Vol. xx, p. 49, 1888. 



(Type, E. erythrotharax.) 



Head broadly transverse, across the eyes twice as wide as the thorax, 

 the occiput distinctly margined; ocelli 3, small, triangularly arranged; 

 eyes large, oval, faintly pubescent. 



AntennjB inserted just above the clypeus, 11-jointed in both sexes; 

 in 9 subclavate, the first flagellar joint longer than the pedicel ; in $ 

 filiform, the first flagellar joint two-thirds the length of the scape, the 

 following joints lengthened, cylindrical. 



Maxillary palpi 4-jointed; labial palpi 2-jcinted. 



Mandibles bifid. 



Thorax narrowed, the prothorax visible from above only as a slight 

 neck; mesonotum trilobed; scutellum semicircular, margined behind, 

 the axillie scarcely traceable ; metathorax sliort, truncate behind, the 

 upper edge of trnncature margiuedf 



Wings entirely wanting. 



