NO. 1206. ICHNEUMON FLIE&-ASHMEAD. 99 



Sjnrack'sof the firsst alxloniinal .si-gnient pUu-ecl Jx'foreihe uiiddlt', the ahdniiiinal 

 (segments of au equal \vi<hli throughout, or nearly. 



(759) Orthopehna Ta.seheuberg=PrdedrMS Fiirster. 



8. Hind tarsi much lengthened, the basal joint shorter than the two following 



united; all femora and tibiae swollen 4 



Hind tarsi not nuu-h lengthened, the basal joint somewhat longer than the two 

 following united; /*o/ all the femora and tibia! swollen 5 



4. Hind tibia' hardly as long as the basal joint of tarsi or clearly shorter. 



(700) linrijcnemiK Forster. 

 Hind ti})ia3 fully as long or longer than the basal joint of tarsi. 



(761) Porizon Gravenhorst. 



5. Frons not narrowed; eyes sometimes large, but not semiglobose (j 



Frons narrowed; eyes very large, semi-globose. 



Metathoracic spiracles placed somewhat far from the metapleura. 



(762) Allophry^ F<')rster. 



6. Second discoidal cell entirely or almost entirely closed at apex 7 



Second discoidal cell, by a break in the transverse nervure, quite open at apex. 



Discoidal transverse nervure wanting (763) Scdliropterun Forster. 



Discoidal transverse nervure present ( 764 ) A neucll!< Forster. 



7. Hind femora and tibia^ not thickened; metathorax with the petiolar area, if 



jiresent, longer than half the length of the metanotum 8 



Hind femora and tibiae somewhat thickened; metathorax long, with the 

 petiolar area shorter than half the length of the metanotum. 



(765) Lei^topygux F()rster. 



S. Metanotum areolated 9 



jNIetanotum not areolated, rugose or rugulose (766) G'onolodius Forster. 



9. ^Metathoracic spiracles very close to the jjleural carina 10 



Metathoracii- spiracles somewhat distant from the pleural carina. 



Maxillary palpi aljuormall)' lengthened, extending nearly to the middle 



coxa> (767) Dolidiopselephus Ashmead. 



Maxillary palpi normal; metanotum long (768) Temeluclia Forster. 



10. Mesonotum with deep parapsidal furrows; carinte im-losing the petiolar area 



very sharp 11 



Mesonotum irithoat jiariapsidal furrows 12 



11. Antenme stout, 25-jointed, joints 14 to 20 wider than long; cubital transverse 



nervure in hind wings a little longer than the first abscissa of the median 



vein ; ovipositor very short ( 769 ) Epistathmus Forster. 



Antennte not stout, 31-jointed, the penultimate joint wider than long; cubital 

 transverse nervure in hind wings shorter than the first abscissa of the 

 median vein; ovipositor longer than the abdomen. 



(770) Diaparsis Forster. 



12. Antennte shortened, 20-jointed or less 13 



Antenn;e lengthened, more than 20-jointed (771 ) TlirrxUochus Holmgren. 



13. Maxillary palpi not unusually long 14 



Maxillary jialpi very long ( 772) Ilderocola Forster. 



14. ^Metanotum with the median lateral areas not smooth 15 



Metanotum with the median lateral areas smooth (773) Ischnobatis Forster. 



15. Antenna' more than 13-jointed 16 



Antennte 13-jointed or less ( 774 ) Pliradis Forster. 



K). Antenna^ stout, the last joint longer than the two preceding joints united. 



( 775 ) Eatomus F()rster. 

 Antennae not especially stout. 



Stigma wide; base of discoidal cell longer than the apex of the second dis- 

 coidal cell; hind wings with the first abscissa of radius much longer 

 than the cubital tianvcrsi- nervure (776) Lmrgns Forster. 



