ICHNEUMONIN^ IN THE BRITISH MUSEUM. 163 



1. FOSSIPRONS, sp. n. 



A stout, tricoloured female : head and thorax pale stramineous 

 with occiput through ocellar region and centre of frons to 

 scrobes, antennaj (except a discal central seven-jointed white 

 band), and disc of thorax mainl}', black ; abdomen and legs clear 

 red with only apices of sixth and seventh segments subnigrescent 

 before the narrowly white anus, and tarsi discally infuscate. 

 Head posteriorly as broad as eyes, with both temples aiid 

 cheeks buccate ; frons depressed throughout, glabrous and glit- 

 tering, slightly transa.ciculate below ocelli, with the elevated 

 orbits incurved below ocelli ; face and clypeus transverse, not 

 discreted, distinctly and in centre rugosely punctate, with apex 

 of the latter centrally a little concave, not dentate ; labrum 

 exserted. Thorax with pleura3 and sternum flavidous ; mesonotum 

 shining, sparsely and coarsely punctate, black with elevated 

 callosities before and below radices and two discal vittaj fiavous ; 

 notauli elongate, fine and svibparallel ; metathorax dull and 

 punctate-aciculate, with petiolar area strongly concave, centrally 

 stramineous and very long ; areola proportionately short, trans- 

 verse, extending to base, apically concave and laterally rounded, 

 emitting no costulai; spiracles elongate, dentiparal areas produced 

 but with no apophyses, externally stramineous. Scutellum 

 slightly convex, very coarsely punctate, latei'ally finely carinate 

 to the excised apex ; flavous with a black longitudinal streak 

 down its centre to near apex ; postscutellum flavous. Abdomen 

 closely punctate and dull ; ba,sal segment shagreened, with sides 

 of the broad postpetiole distinctly punctate ; gastrocoeli striate 

 and deeply impressed, broader than the aciculate intervening 

 space ; hypopygium extending to apex, terebra black and hardly 

 exserted. Legs normal, anterior paler, claws minute; anterior 

 tarsi subdilated, hind coxte subacutely dentate on their inner 

 side. Wings hyaline, radix and tegular fulvous, costa and stigma 

 black ; areolet triangular, coalescent above, distinctly pi'oduced 

 externally, broader than high ; nervelet, and another in second 

 recurrent, distinct ; discoidal cell subparallel, lower basal nervure 

 vertical and very slightly postf ureal. Length, 13mm. 5 oi^^y- 



Thorax cserulescent iind metallic, with its disc green and reticulate; notauli wanting; 

 areola small and quiidrate, emitting tlie entire costulaj from near its apex; petiolar 

 area narrow and parallel-sided. Scutellum stramineous and subglaljrous, elevated 

 and laterally margined tlirougliout. Abdomen fusiform and brilliant blue with 

 basal segment fulvous, its apex and the apices of the second and fifth to seventh 

 segments pale stramineous ; first segment convex and nearlj' smooth, the second a 

 little dull with longitudinal striation and large gastrocuuli ; terebra not exserted, its 

 base covered by hypopygium ; venter black with the two basal segments white and 

 alone plicate. Legs clear fulvous, with onlj' the anterior coxs white and 

 hind tarsi black. Wings slightly clouded ; stigma black, radix and tegula; testa- 

 ceous ; cubital nervure, bearing very slight nervelet, straight and subparallel with 

 the anal; areolet not coalesced above, radius apically reflexed. Length, 14 mm. 

 9 only. — Extremely distinct from both Cameron's species in its conspicuous 

 coloration, black face, narrower abdomen, and in the straight inner cubital nervure 

 with sessile areolet and apically curved radius. India bor. ; Dehra Dun and, I 

 believe, Assam. 



11* 



