Ich
Ichneumonoidea
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Key to northern European Ichneumonoidea
Hymenoptera
Ichneumonoidea
How to use
Terminology
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Taxa:
Wings
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Wings fully developed.
Wings reduced or absent.
2m-cu
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Forewing vein 2m-cu present.
Forewing vein 2m-cu absent.
Face
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Cyclostome (face with hypoclypeal depression above mandibles).
Not cyclostome. Clypeal sulcus distinct.
Not cyclostome. Clypeal sulcus absent.
Tergites
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Tergites 2 and 3 fused, forming a single syntergite with two pairs of spiracles.
Tergites 2 and 3 not fused.
Hind wing
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Hind wing venatation reduced, nervellus absent.
Hind wing venatation not reduced, nervellus present.
Tergite 1
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Tergite 1 with the spiracles clearly behind middle.
Tergite 1 with spiracles at or in front of middle.
Info
This small key separates the two families of Ichneumonoids, something that can be harder said than done due to their great diversity.
Likely taxa
Braconidae
Braconidae (part)
Braconidae (Aphidiinae, part)
Braconidae (Aphidiinae, some)
Ichneumonidae
Ichneumonidae (part)
Ichneumonidae (some)
Ichneumonidae (Phygadeuontinae, part)
Ichneumonidae (a few)
References
Broad, G. R., Shaw, M. R., & Fitton, M. G. (2018).
Ichneumonid wasps: (Hymenoptera: Ichneumonidae): their classification and biology
. Handbooks for the identification of British insects. Vol. 7, part 12. Royal Entomological Society.
Shaw, M. R., & Huddleston, T. (1991).
Classification and biology of braconid wasps (Hymenoptera: Braconidae)
. Handbooks of the Identification of British Insects, Vol. 7, part 11. Royal Entomological Society.
