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Keys to Families of Ichneumonoidea

(derived primarily fr. Gauld & Bolton 1988)

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[Please refer to <Guide> for illustrations (Powerful connections use <Guide-2>)]

1a. Fully winged........................................................................................................................................................2

1b. Wingless or short-winged....................................................................................................................................5

2a. Hind wing with obvious, pigmented venation.....................................................................................................3

2b. Hind wing without apparent venation, except at times along proximal anterior margin.....................................4

3a. Hind wing with cross vein rs-m meeting Rs after that vein diverges from Sc+R+Rs (Fig. 114) and forewing

with a single discosubmarginal cell; cross vein 2m-cu usually present (Figs. 115, 119, 120) . ..

...........................................................................................................................................Ichneumonidae

3b. Hind wing with cross vein rs-m meeting Sc+R+Rs before Rs diverges (Fig. 116), or if at or slightly after

junction then forewing with first discoidal and submarginal cells separated by a vein (Rs+M); cross vein

2m-cu always absent (Figs. 117, 121, 122)................................................................................Braconidae

4a. Fore wing with a single discosubmarginal cell; forewing usually with cross vein 2m-cu traceable at least as an

impressed line; gaster tergites 2 & 3 usually separated by an obvious suture across their entire width

.............................................................................................................................................Ichneumonidae

4b. Fore wing often with first discoidal and submarginal cells separated by a vein (Rs+M); forewing never with

cross vein 2m-cu present; gaster tergites 2 & 3 fused immovably, the suture between them at most only

traceable laterally.......................................................................................................................Braconidae

5a. Head with mouthparts rounded (= hypoclypeal depression), or with mandibles outcurved and somewhat

spatulate.....................................................................................................................................Braconidae

5b. Head with unspecialized mouthparts..........................................................................................Ichneumonidae