Evert Julius Bonsdorff
Bonsdorff, Evert Julius

* September 24, 1810 – July 30, 1898 †

Grand Duchy of Finland

Collected Dolichopodidae

Frey, Richard Karl Hjalmar

* May 01, 1886 – January 07, 1965 †

Finland

Collected Ephydridae and identified Empididae

Hellén, Wolter Edward

* March 09, 1890 – December 31, 1979 †

Finland

Collected Syrphidae

Collected Nymphalidae and identified Tachinidae

Pollet, Marc

Belgium

Collected Dolichopodidae and identified Dolichopodidae

Thuneberg, Erik

* April 19, 1897 – November 19, 1981 †

Collected Chrysididae