A dichotomous and an interactive key to the species of Megarhyssa (Hymenoptera: Ichneumonidae) in America, north of Mexico are presented. A diagnosis accompanied by images is provided for male and female wasps of each of the four species, Megarhyssa atrata, Megarhyssa greenei, Megarhyssa macrurus and Megarhyssa nortoni.

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Published in Deutsche Entomologische Zeitschrift, issue 63, no. 1, p. 137-148.

© 2016 Victoria Pook, Michael Sharkey, David Wahl.

This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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This work is supported by the National Institute of Food and Agriculture, U.S. Department of Agriculture, Hatch under KY008041 and KY008065 awarded to MJS.

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ZooBank: http://zoobank.org/5C4F5350-2C8E-422C-8C5B-DB8A04300D19

This is publication No. 16-08-012 of the Kentucky Agricultural Experiment Station and is published with the approval of the Director.

oo_83437.dlt (50 kB)
Supplementary material 1: Delta Editor Character Matrix

oo_83438.ink (2 kB)
Supplementary material 2: Interactive Key

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