Frictionless Data Descriptor Frictionless Data Descriptor

Constantin Ahnger
Ahnger, Constantin

* November 10, 1855 – June 27, 1942 †

Finland

Collected Chrysomelidae

Kéler, Stefan

* April 15, 1897 – December 04, 1967 †

Germany; Poland

Collected Histeridae and identified Curculionidae