1 literature reference for Ischnura pumilio (Charpentier, 1825):

Author: de Charpentier, T.
Year: 1825
Title: Horae entomologicae, adjectis tabulis novem coloratis.[Date important for Aeschna (= Somatochlora) metallica, also described in Vander Linden 1825]
Source: A. Gosohorsky, Wratislavia 1-257, incl. pl. 1-9.