Posted by Jan Willem on 03-11-2023 12:41
#10
Beris hauseri is now treated as a synonym of
Beris nigra.
See: Zeegers, T., 2021. Notes on the types of Beris Latreille, 1802 (Diptera, Stratiomyidae) in the Meigen collection. - Linzer Biologische Beiträge 53(1): 431-435.