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Species Messatoporus discoidalis

Messatoporus discoidalis - male Icheneumon on the wall above my computer - Messatoporus discoidalis - female Spheledon sp.? - Messatoporus discoidalis - male Ichneumon Wasp - Messatoporus discoidalis - female Ichneumonid - Messatoporus discoidalis - female Ichneumonidae - Messatoporus discoidalis Messatoporus discoidalis? - Messatoporus discoidalis - female Trigonalidea?? - Messatoporus discoidalis
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Hymenoptera (Ants, Bees, Wasps and Sawflies)
No Taxon ("Parasitica" - Parasitoid Wasps)
Superfamily Ichneumonoidea (Braconid and Ichneumonid Wasps)
Family Ichneumonidae (Ichneumonid Wasps)
Subfamily Cryptinae
Tribe Cryptini
Subtribe Osprynchotina
Genus Messatoporus
Species discoidalis (Messatoporus discoidalis)
Synonyms and other taxonomic changes
Messatoporus discoidalis (Cresson, 1872)
Mesostenus jocosus Provancher, 1874
Orig. comb.: Mesostenus discoidalis Cresson, 1872

Santos & Aguiar (2013) further consider M. rufiventris to be a junior synonym of M. discoidalis as merely a color variation.
Explanation of Names
Messatoporus discoidalis (Cresson, 1872)
from the New Latin discoidālis ('discoidal')
Food
Known larval hosts include Auplopus mellipes mellipes, Ageniella conflicta, and Phanagenia bombycina (Pompilidae).(1) Additional host records for Ceropales maculata fraterna are considered by Townes as misidentified records that are "doubtless cells of Auplopus or Phanagenia."(2)
Works Cited
1.Phylogeny and revision of Messatoporus Cushman (Hymenoptera, Ichneumonidae, Cryptinae), with description of sixty five new speci
Bernardo Santos and Alexandre P. Aguiar. 2013. Zootaxa, 3634(1), 1-284.
2.Ichneumon-Flies of America North of Mexico: 3. Subfamily Gelinae, Tribe Mesostenini
Henry Townes, Marjorie Townes. 1962. United States National Museum Bulletin, 216(3): 1-602.