Thread subject: Diptera.info :: Which family may be?

Posted by Nikita Vikhrev on 10-01-2026 14:41
#1

South of Japan between 32N and 40N.
Any idea?

Posted by John Carr on 10-01-2026 20:49
#2

If there is a complete transverse suture on the scutum it must be a weakly bristled Scathophagidae.

Posted by Nikita Vikhrev on 11-01-2026 22:02
#3

Scathophagidae expert Andrey Ozerov supposed that it may be some Psilidae.
Actually photos are taken from recent publication:
Saigusa, T. (2024) A remarkable new genus of Sciomyzoidea from Japan, with discussion of its taxonomic position (Diptera, Acalyptratae). Zootaxa 5519 (4): 549-560, DOI: 10.11646/zootaxa.5519.4.4,
Dr. Saigusa described this fly as Babakintaromyia albitarsis, Sciomyzidae, Salticellinae
I doubt much that it is Sciomyzidae. I placed images in hope that somebody recognizes the family.

Posted by nielsyese on 28-01-2026 20:15
#4

There are no calypters, so I think Scathophagidae can be excluded. In the abstract is written:

Taxonomic characters of the new species differ from those of most or all species of
Sciomyzidae in some important ways, including the absence of a preapical dorsal seta on all tibiae.


The absence of preapical setae on the tibiae would normally lead to other ways than Sciomyzidae. I would also guess Psilidae, but the Sc-vein is totally complete here and not upright to the costa or a transparent line.
So I do not find a right solution, but I would not be surprised it is not Sciomyzidae after all.


Posted by Nikita Vikhrev on 29-01-2026 15:57
#5

1. This fly also lives in China:
https://www.inaturalist.org/observations?taxon_id=1605392
2. Psilidae... Platystomatidae... Kintaromyidae ...