2 literature references for Acrydium rubripes De Geer, 1773:

Author: Bei-Bienko & Mishchenko
Year: 1951
Title: Keys to the fauna of the U.S.S.R. [1964 English translation, no. 40]
Source: Locusts and Grasshoppers of the U.S.S.R. and Adjacent Countries, Zoological Inst. of the U.S.S.R. Academy of Sciences, Moscow/Leningrad 2:385-667 [1-291]
Author: De Geer
Year: 1773
Title:
Source: Mémoires pour servir à l' histoire des insectes, Pierre Hesselberg, Stockholm 3:696 pp., 44 pls.