Oncopsis tristis (Zetterstedt, 1840)
on Betula
parasite
Larvae and adults free on the leaves.
host plants
Betulaceae, monophagous
Betula pendula, pubescens.
distribution within Europe
references
Baugnée (2003c), Malenovský (2006a), Malenovský & Lauterer (2005a, 2012a), Nickel & Niedringhaus (2009a), Söderman (2007a).