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Genus Dialysis

Dance Fly? - Dialysis fasciventris Fly - Dialysis fasciventris - female Fly ID - Dialysis rufithorax - male Fly - Dialysis insect Dorsey Hall - Dialysis rufithorax dip1-20180609 - Dialysis fasciventris Dialysis elongata Fly - Dialysis - male
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Diptera (Flies)
No Taxon (Orthorrhapha)
Family Xylophagidae
Genus Dialysis
Explanation of Names
Dialysis Walker 1850
10 spp. in our area, 17 total(1)
eastern spp.: D. elongata lacks the M3 cell; the other two can be distinguished based on abdominal markings: broad bands across most tergites in D. fasciventris, smaller spots in D. rufithorax
key to NA spp. in(2)
NA & Eurasia; in our area, 6 spp. in the west (esp. CA) & 4 in the east(1)
Male eyes holoptic, female eyes separate.
Works Cited
1.A catalog of the World Xylophagidae (Insecta: Diptera)
Woodley N.E. 2011. Myia 12: 455–500.
2.A revision of the nearctic genus Dialysis (Diptera: Rhagionidae)
Webb D.W. 1978. J. Kans. Ent. Soc. 51: 405-431.