238 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.43. 



Female. — Length 7.5 mm. Clypeiis closely punctured, with a 

 median carina, deeply, narrowly emarginate, lobes rounded apically; 

 supraclypeal area elongate, strongly convex; supraclypeal fovese 

 deep, oval in outline; middle fovea large, shallow; frontal crest 

 strong, unbroken; ocellar basin triangular in outline, not closed 

 below, a triangular depression in front of the anterior ocellus; antcnnal 

 furrows complete from the crest, but line-like near the occiput; 

 postocellar area present, but weak; head finely punctato-granular, 

 with large punctures on the front; antennae short, the third and 

 fourth joints equal in length; mesonotum finely granular, the sutures 

 with large punctures (those of prescutum more dense) ; stigma robust, 

 angulate near base, truncate apically; sheath with long hair, concave 

 above, convex below, narrower apically. Black; palpi, angles of 

 pronotum, tegulse, narrow apical margins of all of the dorsal abdomi- 

 nal segments, laices and anterior tarsi yellowish- whi te ; most of 

 anterior femora, apical part of anterior tibiae apical two-thirds of the 

 four posterior tibiae and all of their tarsi, base of abdominal segments 

 reddish. Wings hyaline, iridescent; venation dark brown, apical 

 half of stigma yellowish. Face with white pubescence. 



Brown's Mills Junction, New Jersey. One female collected June 9, 

 1907. Received from Mr. V. A. E. Daecke. 



Type.— C&t. No. 14410, U.S.N.M. 



Subfainily N^ElVLATrUSTJE. 

 Tribe HEMICHORINI. 



Hemichronini Rohwer, Proc. Ent. Soc. Wash., vol. 13 (4), 1911, p. 225. 

 Eoplocampinm Rohwer, Proc. Ent. Soc. Wash., vol. 13 (4), 1911, pp. 220 and 225. 



The characters used to separate the Hoplocampinse from the 

 Nematinse, in my recent paper, have been proven unsatisfactory. 

 The Hoplocampinae have therefore been merged with the Nematinae, 

 where they fall into the tribe Hemichorini. The subfamily character 

 used in the paper was unstable in the genus Pteronidea and other 

 genera of Nematinae. 



The Nematin^ as now recognized contains two types of larvae, 

 and some day satisfactory characters may be found in the adults 

 which will separate them into two groups as indicated by the larvae. 

 Most of the aberrant larvae belong to Hemichorini, although the 

 Hemichorini also contains a few larvae of the type found in the tribe 

 Nematini. 



Genus CRATEROCERCUS Rohwer. 



CRATEROCERCUS FLORIDANUS, new species. 



Related to Craterocercus alhidovariatus (Norton) from which it may 

 be separated by the following characters: Supraclypeal area rather 

 narrow and strongly ridged; ocellar basin longer (dorsad- ventrad) 

 than broad, the lower wall more sharply defined; stigma oblique, 



