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Species Cholomyia inaequipes

Tachinid Fly - Cholomyia inaequipes - female Extra long legs - Cholomyia inaequipes Cholomyia inaequipes - male Tachinid? - Cholomyia inaequipes - male Fly-by-Night - Cholomyia inaequipes - female Fly - Cholomyia inaequipes - female Unknown Fly - Cholomyia inaequipes - female Odd looking long-legged fly - Cholomyia inaequipes - male
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 Tachininae
Tribe Myiophasiini
Genus Cholomyia
Species inaequipes (Cholomyia inaequipes)
Synonyms and other taxonomic changes
Cholomyia inaequipes Bigot, 1884
7-8 mm (estimate from guide images)
Quoting and/or paraphrasing from key (1):
Aristal hairs much longer at base of arista than at apex, arising all around arista . Parafacial with minute pale hairs. Male midleg twice as long as other legs.
Body is sexually dimorphic as well--male has tapered yellowish abodmen:

Female has more typical abdomen:
Eastern and Southwestern USA (1)
Females seen on flowers, perhaps (?) taking nectar (guide images).
Life Cycle
Parasitoid of weevils (Conotrachelus). Males, at least, come to lights (guide images).
See Also
Zelia also has long middle legs.
Print References
Manual of Nearctic Diptera volume 2, p. 1265 (1)
Works Cited
1.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.