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Photos of insects and people from the 2019 BugGuide Gathering in Louisiana, July 25-27

Discussion, insects and people from the 2018 gathering in Virginia, July 27-29

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Photos of insects and people from the 2014 gathering in Virginia, June 4-7.

Photos of insects and people from the 2013 gathering in Arizona, July 25-28

Photos of insects and people from the 2012 gathering in Alabama

Photos of insects and people from the 2011 gathering in Iowa


Subfamily Acaenitinae

Ichneumon Wasp - Arotes decorus - female Ichneumon - Coleocentrus rufus - male Ichneumon Wasp - female Ichneumonid - Spilopteron occiputale - female wasp072417c - Spilopteron occiputale Ichneumon - Arotes amoenus - female Ichneumonid Wasps2 Ichneumon sp - Spilopteron vicinum - female
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Hymenoptera (Ants, Bees, Wasps and Sawflies)
No Taxon ("Parasitica" (parasitoid Apocrita))
Superfamily Ichneumonoidea (Braconid and Ichneumonid Wasps)
Family Ichneumonidae (Ichneumonid Wasps)
Subfamily Acaenitinae
25 genera worldwide, 5 (with 18 spp.) represented in the Nearctic Region(1)(2)(3)(4)

worldwide includes about 344 species placed in 27 genera(Yu et al. 2012).
5-20 mm
Female hypopygium, which is large and triangular, folded on the midline
hosts include wood boring Coleoptera, Hymenoptera (Siricidae/Xiphydriidae) and Lepidoptera (Sesiidae). Nearctic host records include larvae of Cerambycidae, Melandryiidae and Mordellidae(2)(4)
Internet References
Yu D. S., Achterberg van C., Horstmann K. Taxapad; 2012. World Ichneumonoidea 2011. [Google Scholar]