NO. 1206. ICHNEUMON FLIES— ASHMEAD. 29 



Metanotuiu with the lateral basal and the median areas cunfinenf. 



Spiracles rather large, elliptic-oval (126) /Vw/or/v/y^/z/.s-'riioiuson. 



iSpiracles rather small, short oval or subrotund. 



(127) MicTocryptaii Thomson. 

 ( Type, Cryptus erythrinus Gravenhorst. ) 



10. Clyiieu.s in male and female anteriorly distinctly V)iden;ate, or with two, more 



or less distinct, nii)i)les 11 



Clypens with the anterior margin simple or with a single tooth 13 



11. Eyes bare, never distinctly hairy 12 



Eyes distinctly hairy. 



Antenna' tri colored, ringed will i wiiite; first and second tlagellar joints of 

 an equal length ( 1 28) I.selix FOrster. 



Antenna' neither tricolored nor linged witli white; first flagellar joint 

 shorter than the second ( 129 ) Ilomelys Forster. 



12. Metanotiim at base not completely areolated. ( 130) Pobjtrihnr Fr)rster. 



Metanotum at base comj^letely areolated. 



Carina at apex of the middle lateral area sharply elevated; second segment 

 much narrowed toward the Ijase, scarcely half as wide as at 

 ai)ex, and finely striately rugulose its entire length. 



(131) Ernoctona Fovntar. 

 Carina at apex of the middle lateral area ikjI sharply elevated; second seg- 

 ment iiot much narrowed toward base, more than half as wide 

 as at ai^ex, and not striate its entire length. 



(132) Pleaioynathns Forster. 

 (Type, I'lujgadeuon cephalolcs Gravenhorst. ) 



13. Clypeus with oiu' tooth on its anterior margin (133) Micromonodon Forster. 



Clypeus with the anterior margin simple or without a tooth. 



Transverse median nervure in hind wings not broken, or bi'oken Itchur the 



middle 14 



Transverse median nervure in hind wings broken at or atH)VL' the middle. 

 Transverse median nervure in front wings originating before the Imsal 

 nervure; base of third discoidal cell much wider than the base 



of the second discoidal cell (IS-l) Ileteroti/pnif Forster. 



Transverse median nervure in front wings not originating before the 

 basal nervure; base of third discoidal cell not wider than the 



base of the second discoidal cell {'['.iry)Dapantis Forster. 



= Soi'ha.'^ Forster = Tric]iocryptu-t Fiirsti-r. 

 fTj'pe, Ichneumon, cinrtor-liia Fabricius.) 



14. Transverse median nervure in hind wing broken below the middle 15 



Transverse median nervure in hind wings not broken. 



Abdominal segments 2 and 3 very large (l.'>() ) J Id //las Fi'irster. 



15. Pronotum not lengthened; ovipositor ])rominently projecting. Ki 



Pronotum lengthened; ovipositor only slightly visible beyond the tiji of the 



abdomen ( 137) ]>iniiih<nu-s F(")rster. 



16. Petiolar area \-ery short, the areola narrow, rectangular, extending to apex; 



head very small; antemia' slender, filiform. 



(13S) Tricliolhnitih Forster. 

 Petiolar area not very short, the areola not long, rectangular, most frequently 

 transverse and hexagonal, rarely pentagonal, if elongate, nar- 

 rowed toward basi', rarely wholly wanting. 



Eyes bare 18 



Eyes hairy. 



Second abdominal setrment shorter than the thiril.. 17 



