Broad G. (2011) Identification key to the subfamilies of Ichneumonidae (Hymenoptera)
A helpful illustrated key designed with the fauna of British Isles in mind but giving good idea of the features used to separate ichneumonoid families and most of the ichneumonid subfamilies in our area, too
Classification and Systematics of the Ichneumonidae
David Wahl's catalog of generic and higher names within Ichneumonidae is updated based on new publications and is the classification used by BugGuide. Names from Townes' revisions should be checked against this list for current status.
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