8 PROCEEDINGS OF THE NATIONAL MUSEUM vol. 79 



PAROLIGONEURUS JOHNSONI, new species 



Figure 1 



Female. — Length 1.8 mm. Head a little wider than thorax; face 

 large, evenly convex, smooth and shining, with only weak setigerous 

 punctures; clypeus rather large, indistinctly separated from face, 

 shallowly transversely impressed before apex, the anterior margin 

 evenly rounded; antennae 18-segmented, nearly as long as the body; 

 pedicel elongate, about two-thirds as long as the scape ; all 16 flagel- 

 lar segments well separated, elongate, the first four times as long as 

 thick and considerably longer than the second; eyes bare, with 

 only a few scattered indistinct hairs; cheeks and temples convex. 

 Thorax short, compact; mesoscutum flat, smooth, and shining, 

 impunctate, with no trace of notauli; suture between mesoscu- 

 tum and scutellum fine, smooth, not foveoiate; scutellum vei*y 

 slightly convex, smooth and shining; propodeum smooth and 

 polished, not areolated; pleura polished; mesopleura without a fur- 

 row ; posterior coxae small ; inner spur of posterior tibia longer than 

 the outer but hardly one-third the length of metatarsus; stigma 



FiGUKE 1. — Anterior wing of ParoU'joneurua johnaoni, new species 



moderately broad, a little longer than metacarpus; radius arising 

 from beyond middle of stigma and consisting merelj^ of an oblique, 

 outwardly directed stub; cubitus and basal vein separated at their 

 points of origin on parastigraa ; basal vein at origin distinctly curved 

 toward base of wing; cubitus obsolescent apically; nervuius inter- 

 stitial; recurrent vein wanting, or at least not distinctly developed; 

 discoideus distinct only at base, the first discoidal cell, therefore, 

 open ; first brachial cell open. Abdomen narrower than thorax, en- 

 tirely polished; first tergite with a median elongate plate that is 

 strongly narrowed at apex; second tergite with a triangular median 

 plate that is verj'^ narrow at extreme base ; lateral membranous mar- 

 gins on first and second tergites very broad; hypopygium large, 

 apparently slightly surpassing apex of last tergite; ovipositor 

 sheaths projecting the length of the first tergite beyond apex of 

 abdomen. Head brown, blackish above and behind; thorax black; 

 abdomen brownish on basal half, blackish on apical half; wings 

 hyaline, stigma and veins brown; legs yellow, the posterior coxae 

 blackish above toward base. 



