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 length...

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

6. Hind wing with vein 1/Cu at most 0.6x as long as vein cu-a, generally shorter so that junction of veins 2/Cu and cu-a close to vein M.

1. Sicophion pleuralis

2. Thyreodon atriventris

future couplets

7. Fore wing with vein Rs centrally... ... Sicophion

7'. Fore wing with vein Rs centrall...

8. Propodeum in lateral profile gre... ... Thyreodon

8'. Propodeum in lateral profile no... ... Rhynchophion

6’. Hind wing with vein 1/Cu at least 0.8x as long as vein cu-a, generally longer so that junction of veins 2/Cu and cu-a either intermediate between veins M and 1A or close to 1A.

1. Enicospilus brevis

2. Eremotylus abnormus

future couplets

9. Base of T2 with distinct median ...

10. Vein r-rs of fore wing basally ... ... Eremotylus

10'. Vein r-rs of fore wing at most... ... Ophion

9'. Base of T2 without median raise...

11. Fore wing with vein r-rs slight... ... Enicospilus

11'. Fore wing with vein r-rs strai...

12. Mandible moderately to strongly... ... Enicospilus

12'. Mandible weakly and evenly tap...

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 length... Notes: general ichneumonid morphology, Ophionine wing venation, history and description of Ophioninae up go 6. Hind wing with vein 1/Cu at most 0.6x as long as vein cu-a, generally shorter so that junction of veins 2/Cu and cu-a close to vein M. 1. Sicophion pleuralis 2. Thyreodon atriventris future couplets 7. Fore wing with vein Rs centrally... ... Sicophion 7'. Fore wing with vein Rs centrall... 8. Propodeum in lateral profile gre... ... Thyreodon 8'. Propodeum in lateral profile no... ... Rhynchophion go go 6’. Hind wing with vein 1/Cu at least 0.8x as long as vein cu-a, generally longer so that junction of veins 2/Cu and cu-a either intermediate between veins M and 1A or close to 1A. 1. Enicospilus brevis 2. Eremotylus abnormus future couplets 9. Base of T2 with distinct median ... 10. Vein r-rs of fore wing basally ... ... Eremotylus 10'. Vein r-rs of fore wing at most... ... Ophion 9'. Base of T2 without median raise... 11. Fore wing with vein r-rs slight... ... Enicospilus 11'. Fore wing with vein r-rs strai... 12. Mandible moderately to strongly... ... Enicospilus 12'. Mandible weakly and evenly tap... 13. Epicnemial carina disinct later... ... Ophiogastrella 13'. Epicnemial carina only present... ... Simophion go