American Entomological Institute

History
   1'. Occipital carina dorsally present and usually co...
     4'. Malar space ≤ 0.8x as long as basal width of man...
       5'. Mouthparts not or only slightly lengthened, glos...
         6'. Hind wing with vein 1/Cu at least 0.8x as long a...
           9'. Base of T2 without median raised semicircular or...
             11'. Fore wing with vein r-rs straight and...

Notes: general ichneumonid morphology, wing venation, history and description of Ophioninae

12. Mandible moderately to strongly tapered distally, generally twisted 15º or more. Posterior transverse carina of mesosomal venter usually present, rarely interrupted centrally. Anterior groove of propodeum shallow and broad, resulting in long anterior surface (a few Enicospilus; worldwide).

Enicospilus

1. Enicospilus brevis

2. Enicospilus flavus

3. Enicospilus glabratus

4. Enicospilus americanus

12’. Mandible weakly and evenly tapered distally, not twisted. Posterior transverse carina of mesosomal venter absent except as lateral vestiges. Anterior groove of propodeum short.

1. Ophiogastrella lemaire

2. Ophiogastrella nigrifrons

3. Ophiogastrella nigrifrons

future couplets

13. Epicnemial carina disinct later... ... Ophiogastrella

13'. Epicnemial carina only present... ... Simophion



Home Loans Identification Service Publications Founders Visiting the AEI Type Specimens Genera Ichneumonorum Nearcticae	History 1'. Occipital carina dorsally present and usually co... 4'. Malar space ≤ 0.8x as long as basal width of man... 5'. Mouthparts not or only slightly lengthened, glos... 6'. Hind wing with vein 1/Cu at least 0.8x as long a... 9'. Base of T2 without median raised semicircular or... 11'. Fore wing with vein r-rs straight and... Notes: general ichneumonid morphology, wing venation, history and description of Ophioninae up 12. Mandible moderately to strongly tapered distally, generally twisted 15º or more. Posterior transverse carina of mesosomal venter usually present, rarely interrupted centrally. Anterior groove of propodeum shallow and broad, resulting in long anterior surface (a few Enicospilus; worldwide). Enicospilus 1. Enicospilus brevis 2. Enicospilus flavus 3. Enicospilus glabratus 4. Enicospilus americanus go 12’. Mandible weakly and evenly tapered distally, not twisted. Posterior transverse carina of mesosomal venter absent except as lateral vestiges. Anterior groove of propodeum short. 1. Ophiogastrella lemaire 2. Ophiogastrella nigrifrons 3. Ophiogastrella nigrifrons future couplets 13. Epicnemial carina disinct later... ... Ophiogastrella 13'. Epicnemial carina only present... ... Simophion go