1 literature reference for Cordulegaster insignis Bartenef, 1930:

Author: Bartenef, A. N.
Year: 1930
Title: (Die paläarktischen Arten der Untergattung Cordulegaster) [In Russian].
Source: Raboty Severo-kavkazskoi gidrobiologicheskoi stantsii pri Go 3 (1/3): 1-32, figs. 1-4.