NO. 1206. ICHNEUMON FLIES— ASHMEAD. 89 



Sixteen genera fall into this tribe, distinguishable by the aid of the 

 following table: 



TABLE OP GENERA. 



Front wings without an areolet; hind femora beneath normal, unarmed 2 



Front wings wilJt an areolet; hind femora beneath toward apex armed with a tooth ; 

 abdomen long, strongly compressed (656) Eiphosoma Cresson. 



2. Claws pectinate 9 



Claws simple, not pectinate. 



Labrum prominent, more or less projecting 8 



Labrum not prominent, entirely covered by the clyjDeus. 



Transverse median nervure in hind wings straight, not broken 3 



Transverse median nervure in hind wings distinctly broken 4 



3. Disco-cubital nervure interstitial with the discoidal nervure, the third discoidal 



cell therefore pointed at base; second discoidal cell not twice as 

 wide at apex as at base; hind tibias lengthened. 



(657) Agrypon Forster. 

 Disco-cubital nervure not interstitial with the discoidal nervure, the third dis- 

 coidal cell not pointed at base; second discoidal cell twice as wide at 

 apex as at base, or nearly; hind tibiiB short. (658) Atrometus F5rster. 



4. Second recurrent nervure interstitial or very nearly, with the transverse cubitus, 



the first abscissa of cubitus wanting or very short 6 



Second recurrent nervure not interstitial, the first abscissa of the cubitus dis- 

 tinct 5 



5. Discoidal cell at base narrower than the length of the transverse median nerv- 



ure, or the width of second discoidal cell at base; transverse 

 median nervure in hind wings broken above the middle. 

 Eyes hairy; mesonotal furrows wanting. 



(659) Therium Curtis^ Trlcho)nma^Yesmael. 



Eyes bare; mesonotal furrows distinct (660) Labronychus Forster. 



Discoidal cell at base as wide or wider than the length of the transverse median 

 nervure. 

 Clypeus anteriorly broadly curved outwardly and rather deeply emargmate 

 so as to appear hilobed; transverse median nervure in hind wings 

 obtusely angularly broken above the middle. 



(661) Schizoloma V! esmae\= ScJiizopoina Forster. 

 Clypeus quite differently formed, not bilobed; transverse median nervure in 

 hind wings broken at or a little below the middle. 



(662) Anomalon Gravcnhorst. 



6. Base of tliird discoidal cell as wide or wider than the length of the transverse 



median nervure 7 



Base of third discoidal cell shorter, 7iot so wide as the length of the transverse 

 median nervure. 



Clypeus anteriorly produced into a point (663) Laphycles Forster, 



Clypeus anteriorly rounded, not jsointed (664 ) Barylypa Forster. 



7. Submedian cell longer than the median, the transverse median nervure originat- 



ing beyond the basal nervure. 

 Postscutellum ivilh a middle carina; clypeus anteriorly normal, or at most sub- 

 triangular; transverse median nervure in hind wings broken at 

 about the middle; metanotum without a middle sulcus. 



(665) Sympratis Forster. 

 Postscutellum rugose; clypeus anteriorly triangularly acute. 



(666) AcanUiostorna Kriechbaumer. 



