BioStor
 | Catalogue des ascalaphides des collections du muséum H W Van Der Weele (1909) Bulletin du Muséum National d'Histoire Naturelle, Paris 15: 170-174 |
 | An evolutionary and geographical overview of repagula (abortive eggs) in the Ascalaphidae (Neuroptera) C S Henry (1978) Proceedings of the Entomological Society of Washington 80: 75-86 |