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Tribe Exoristini

Tachinidae: Monarch parasitoid Fly tachinid fly - Tachinomyia - male Fly - Tachinid? - Tachinomyia Tachinid Fly - Austrophorocera Fly On Yarrow - Chetogena Tachinid Fly? - female Tachinid fly - Chetogena - Chetogena
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Diptera (Flies)
No Taxon (Calyptratae)
Superfamily Oestroidea
Family Tachinidae (Parasitic Flies)
Subfamily Exoristinae
Tribe Exoristini
Numbers
54 spp. in 9 genera in our area(1)
Identification
Prosternum setose, first postsutural supra-alar smaller than first postsutural dorsocentral, "Bend of M a right angle; the portion beyond bend sinuous, curving toward apex. An extra smaller bristle usually present between second and third postsutural supra-alar bristles."(2) Genera are keyed in couplets 107-115 of the Tachinidae chapter of Manual of Nearctic Diptera (without explicitly using the term Exoristini). The only distantly related genus Exoristioides will match this description except that the bend in vein M is slightly rounded and there is a very long bristle on the anepimeron.
Life Cycle
Oviparous
Works Cited
1.Taxonomic and host catalogue of the Tachinidae of America North of Mexico
2.Manual of Nearctic Diptera Volume 2
Varies for each chapter; edited by J.F. McAlpine, B.V. Petersen, G.E. Shewell, H.J. Teskey, J.R. Vockeroth, D.M. Wood. 1987. Research Branch Agriculture Canada.