190 U llNliUMOMD.i:. 



Tiipe ill the British Museum; that of P. oljntJila in the Oxford 

 JNLiseuni. 



Cameron, w hose desci'Iption is quoted above, says (loc. cit. 1899) 

 that this species agrees with Smitli's jS'ew Guinea Fhnpla nir/ri- 

 cornis, c? (Jouru. Linu, Soc. viii, 18(54, p. (J4), but that the latter 

 is smaller and has the mesonotum punctate. From all its allies 

 here described, this female is at once known by the impunctate 

 and strongly bicarinate basal segment, and centrally more closely 

 punctate abdomen (the pilosity of the legs also appears distinc- 

 live), though it is obviously very strongly allied to J/, fcstacea, 

 which, however, has the abdomen distinctly punctate throughout 

 and the hypopygium coucolorous with the remainder of the 

 venter. Saussure's Hemiphnpla caffra, from Pretoria, is cer- 

 tainly synonymous with the Indian species. 



A single $ from Moulmein in the British Museum, taken in 

 1843, differs in having the infumate alar margin subobsolete. 



130. Hemipinipla riigosa, de G. 



Sphex ri<f/osus, de Geer, Mem. Hist. Xat. Ins. iii, 1773, p. .'397, 

 pi. XXX, figs. 18, 19; GiJze, Abh. Gescli. [ns. iii, 1780, p. o87, 

 pi. XXX, figs. 18, 19 ( 2 )_. 



Ichneiuaon rnrjosus, Retzius, Geu. et Spp. Ins. 178-'], p. 67; cf. 

 Gravenhorst, Ichn. ICur. iii, p. 1019 ( $ ^ 



^-..^^ r^ : . -• , P- 1^:^ ( ? )■ 



Trichiothecns rujiceps, Cameron,* Jour. )Str. Br. Bov. As. Soc. 1903, 

 p.l37($). 



c? 5 . A liandsome black species, with the headandinosfc ofc'ie 

 thorax red, and the wings deeply clouded throughout. Head 

 entirely red, transverse and strongly constricted behind the 

 prominent and black eyes ; occiput abruptly declivous, glabrous 

 and nitidnlous, finely bordered posteriori}^ with a few obsolete 

 punctures; ocelli infuscate and elevated upon a common plateau ; 

 t'rons ghibrous, with the scrobe.s large and extending nearly to 

 the ocelli ; face deplanate, with a few fine scattered punctures 

 and black hairs, centrally subelevated longitudinall}'- and discrete 

 from the deplanate and centrally impressed clypeus ; mandibles 

 not very stout, with the subequal teeth infuscate and apically 

 subobtuse ; cheeks somewhat shorter than the basal breadth of 

 the mandibles; eyes only slightly emarginate next the scrobes. 

 Antenncii black, forty-jointed, somewhat shorter than the bodv 

 and apically attenuate ; scape rufescent throughout ; flagellar 

 joints cylindrical and not elongate, with the basal ones apically 

 subnodulose. Thorax red, glabrous and very strongly nitidulons, 

 with sparse griseous pilosity on the infuscate metatliorax ; notauli 

 anteriorly distinct ; metathoracic arete entirely wanting, but with 



