New species of Ctenichneumon are described, enhancing knowledge of parasitoid wasps in the region.
Ctenichneumon Tomson, 1894 (Hymenoptera: Ichneumonidae: Ichneumoninae: Ichneumonini) is a moderately diverse parasitoid wasp genus with a broad distribution, including 14 described species in the Nearctic region. Here, I advance our knowledge of Nearctic Ctenichneumon by describing two new species, Ctenichneumon elaiodes, new species, and Ctenichneumon hesperis, new species, from the Huachuca Mountains in southeastern Arizona. Diagnostic notes and specimen images are provided to facilitate identifcation
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Brandon Claridge (2026) studied this question.
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