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TaxonomyBrowse
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Species Mesostenus gracilis

Ichneumon wasp - Mesostenus gracilis - female Ichneumon wasp antenna detail - Mesostenus gracilis Longhorn wasp - Mesostenus gracilis - male Unknown Ichneumon? - Mesostenus gracilis - female Unknown Ichneumon? - Mesostenus gracilis - female Half-orange Ichneumon Wasp (dorsal) - Mesostenus gracilis - male Half-orange Ichneumon Wasp - Mesostenus gracilis - male Half-orange Ichneumon Wasp - Mesostenus gracilis - male
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Hymenoptera (Ants, Bees, Wasps and Sawflies)
No Taxon ("Parasitica" (parasitic Apocrita))
Superfamily Ichneumonoidea (Braconids and Ichneumons)
Family Ichneumonidae (Ichneumon Wasps)
Subfamily Cryptinae
Tribe Cryptini
Subtribe Mesostenina
Genus Mesostenus
Species gracilis (Mesostenus gracilis)
Synonyms and other taxonomic changes
Mesostenus gracilis Cresson, 1864
Identification
I recorded a number of stored product phycitines as hosts of this species in the 1979 catalog of Hymenoptera of America north of Mexcico, but I believe it has since been reared from Plodia interpunctella as well. Searches of the web show that it has at least been associated with Plodia interpunctella.