ICHNEUMON-FLIES — GELINAE : MESOSTENINI 103 



heightened sublaterally to form weak crests; areolet of moderate 

 size, pentagonal but the intercubiti not strongly convergent; second 

 recm-rent formmg a 105° angle with basal abscissa of subdiscoideus; 

 first tergite rather short, basolaterally with a low rounded flange 

 but not with a distinct tooth; median dorsal carinae of first tergite 

 rather strong from its base to middle of postpetiole; dorsolateral 

 carina of first tergite strong and sharp throughout; postpetiole mat, 

 with a very few small, weak punctures; second tergite mat, with 

 moderately large, moderately strong punctm-es that are separated 

 by about 0.3 their diameter; ovipositor sheath about 0.50 as long as 

 front wing, 



Male: Head varying from white with its occiput and upper half, 

 except for broad frontal orbit, black; to black with its cheek, clypeus, 

 and small mark on frontal orbit, white; mandible and palpi white, 

 the apex of palpi bro^vnish; antenna black or blackish brown, the 

 scape usually light brown in front and flagellum usually with a broad, 

 poorly defhied, postmedian whitish band; ground color of thorax 

 fulvous, or sometimes fulvous with its front half more or less black, 

 the mesoscutum black to fulvous, when fulvous its edges and notauli 

 black; upper part of propleurum fuscous, the lower part white, 

 fulvous, or sometimes black; pronotum fulvous or more or less in- 

 fuscate, its collar and lower edge white; tegula, subtegular ridge, 

 scutellum, and postscutellum white; areas near scutellum black; some- 

 times the mesopleurmii, mesosternum, and pronotum with rather ex- 

 tensive whitish areas; front and middle legs fulvous, their coxae and 

 trochanters fulvous to white and their fifth tarsal segments fulvous 

 brown; hind coxa, trochanters, femur, and tibia ferruginous, the apical 

 0.1 ± of the femur and apical 0.2 i of the tibia infuscate; hind tarsus 

 white, the basal 0.6 dz of first segment and apical 0.7 ± of last segment 

 dark brown; first four segments of abdomen ferruginous, the fifth 

 entu'ely black or ferruginous with its apex black, the sixth and follow- 

 ing black; seventh tergite with a very large white median spot; sixth 

 and fifth tergites usually with a median apical white mark. 



Female: Head black, or in front with bro^VTl areas; triangular 

 mark on upper part of frontal orbit and large mark on cheek and 

 adjacent temple, white; facial orbit and cl^^peus usually whitish or 

 fulvous; mandible white, brown apically; palpi fuscous, whitish 

 subbasally; antenna black, the scape fulvous brown except above, the 

 flagellum with an incomplete white band that covers about 5 segments; 

 propleurum fuscous, usually ferruginous ventrally; pronotum ferrugi- 

 nous or partly fuscous or black, its collar and lower margin usually 

 ivory, at least its upper margin narrowly fuscous; mesoscutum black 

 or ferruginous, when ferruginous its margms and notauli infuscate; 

 scutellum and postscutellum ivory, the surrounding areas mostly 



