The photographs in these pages and keys were taken with a GT Vision micro-imaging system. A Word document on the use of the GT Vision system is available here.

A guide to general Ichneumonoid Morphology is found here. This guide is a useful glossary for working with the G.I.N keys.

Key to genera and species of Nearctic Cylloceriinae (modified from Dasch, 1992)
Key to genera and species of Nearctic Cylloceriinae (modified from Dasch, 1992)
Key to genera of Nearctic Acaenitinae (modified from Townes, 1960)
Key to genera of Nearctic Poemeniinae (modified from Wahl & Gauld, 1998)
Key to genera of Nearctic Rhyssinae (modified from Townes, 1969)
Key to genera of Xoridinae (modified from Townes, 1969)
Key to Nearctic and Central American genera of Ophioninae (modified from Gauld, 1988)
Useful links for key: Ophionine wing venation, How to recognize Ophioninae
Key to Nearctic species of Brachycyrtus (modified from Townes, 1960)
Key to Nearctic species of Lycorina (modified from Cushman (1920) and Gauld (1997))
Useful links for key: Taxonomy of Nearctic Lycorina
Key to species of Nearctic Microleptes (modified from Dasch, 1992)
Key to species of Nearctic Microleptes (modified from Dasch, 1992)
Key to species of New World Stilbops (modified from Townes, 1989)
Key to species of New World Stilbops (modified from Townes, 1989)