Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada

Genus Dialysis

Dialysis rufithorax fly - Dialysis elongata - female Fly sp? - Dialysis rufithorax - female Fly - Dialysis rufithorax Fungus victim? - Dialysis elongata robberfly052917 - Dialysis rufithorax - female Long diptera - Dialysis fly062818a - Dialysis rufithorax - male
Classification
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
Numbers
10 spp. in our area, 17 total(1)
Identification
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)
Range
NA & Eurasia; in our area, 6 spp. in the west (esp. CA) & 4 in the east(1)
Remarks
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.