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Genus Neacreotrichus

Tiny Phthiria on Eriophylum confertiflorum - Neacreotrichus - male Phthiriine in Malacothamnus Bloom - Neacreotrichus - female Orange County Bee Fly Archives #263 - Small one needs ID  - Neacreotrichus - female Phthiriinae Bee Fly - Neacreotrichus - female Bee Fly 7256 - Neacreotrichus - female Neacreotrichus sp.? - Neacreotrichus - female Family_Bombyliidae_1 - Neacreotrichus Possible Neacreotrichus - Neacreotrichus
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Diptera (Flies)
No Taxon (Orthorrhapha)
Superfamily Asiloidea
Family Bombyliidae (Bee Flies)
Subfamily Phthiriinae
Tribe Phthiriini
Genus Neacreotrichus
Synonyms and other taxonomic changes
Formerly placed in Phthiria(1)(2); under the current concept, there are no Phthiria s.str. in NA (Joel Kits's comment)
Explanation of Names
Neacreotrichus Cockerell 1917
7 spp. in our area, 13 total(3)
  N. consors;
  N. diversus; (Original 1894 description by Coquillett here)
  N. florale; (Original 1894 description by Coquillett here)
  N. humilis; (Original 1877 description by Osten Saken here)
  N. melanoscutus;
  N. picturatus; and
  N. vittiventris (Original 1904 description by Coquillett here)
w. US and Mexico; our spp.(3):
  N. consors: AZ;
  N. diversus: CA;
  N. florale: CA-ID-UT;
  N. humilis: CA to ID-TX;
  N. melanoscutus: NM-AZ;
  N. picturatus: NM-AZ;
  N. vittiventris: CA to CO-NM
Works Cited
1.Bee Flies of the World: The Genera of the Family Bombyliidae
Hull, Frank M. 1973. Smithsonian Institution Press.
2.Manual of Nearctic Diptera Volume 1
Varies for each chapter; edited by J.F. McAlpine, B.V. Petersen, G.E. Shewell, H.J. Teskey, J.R. Vockeroth, D.M. Wood. 1981. Research Branch Agriculture Canada.
3.Evenhuis N.L., Greathead D.J. (2015) World catalog of bee flies (Diptera: Bombyliidae) web site