- Greff N. 1995 – Directive Habitats & Odonates. – Sympetrum, 9.
- van Helsdingen P.J. & al. 1996 – Background information on invertebrates of the Habitats Directive and the Bern Convention. – Conseil de l’Europe, Nature et Environnement, n°80, part II – Mantodea, Odonata, Orthoptera, Arachnida.

