386 PROCEEDINGS OF THE NATIONAL MUSEUEI. vol.41. 



than the cephal-caudal length, poorly defined; head and thorax 

 closely punctured ; stigma but httle more than twice as long as wide, 

 a httle broader at base, apex obUque; third cubital cell not much 

 longer than broad; cerci hardly tapering; sheath broad, apex more 

 or less rounded. Black: pro- and meso-thorax, legs, except extreme 

 base of posterior coxae, cerci, apical dorsal segment reddish, thorax 

 darker; wings dusky hyaline, iridescent, venation pale brown. 



Jacksonville, Florida. One female from the Ashmead collection. 



Type.— Csit. No. 13993, U.S.N.M. 



Genus PLATYCAMPUS Schiodte. 



PLATYCAMPUS JUNIPERI, new species. 



Readily separated from the other species by the black head. The 

 Nearctic species have been referred previously to Camponiscus New- 

 man. 



Female. — Length 6 mm. Head broad, much broader than high; 

 clypeus nearly truncate ; antennal f o vese poorly defined ; supraclypeal 

 area convex; middle fovea shaUow, triangular; oceUar basin almost 

 wanting; postocellar area defined but not sharply so; postocellar Une 

 slightly longer than the ocellorbital line; antennae strongly tapering, 

 the tliird and fourth joints subequal; stigma broad, rounded on the 

 lower margin, broadest at the base; tliird cubital cell but little wider 

 at the apex; the second recurrent interstitial with the second trans- 

 verse cubitus; upper and lower discal ceU in the hind wings equal on 

 the outer margin; claws stout, with an erect inner tooth; sheath 

 broad, apex truncate, the lower margin oblique; cerei moderate. 

 Reddish-yellow; head, antennae, spots on the lateral lobes of 

 mesonotum, metanotum, pectus, legs and sheath black; labrum, 

 palpi and four anterior tibiae and tarsi brownish. Wings hyaline, 

 iridescent; venation dark brown, apex of stigma hghter. 



Los Vegas, Hot Springs, New Mexico. Bred from Juniperus, adult 

 emerging April 7, 1902. 



Type.— Cat. No. 13994, U.S.N.M. 



Genus PTERONIDEA Rohwer. 



PTERONIDEA WINNAN.S;, new species. 



A distinct species faUing nearer P. duhius (Marlatt) in Marlatt's 

 Revision to North American Nematinae, but is remarkably distinct 

 from that species. 



Male. — Length 5.5 mm. Clypeus distinctly angularly emarginate, 

 lobes broad, rounded; antennal foveae poorly defined; middle fovea 

 narrow, elongate, open above; frontal crest shghtly broken; ocellar 

 basin well defined laterally, almost open below; postocellar area 

 poorly defined; postocellar furrow wanting; postocellar fine longer 



