1. Abbott JC, Mynhardt G (2007) Description of the larva of Somatochlora margarita (Odonata: Corduliidae). Int J Odonatol 10:129–136
2. Alayo D (1968) Las libellulas de Cuba (Insecta – Odonata). Torreia 2:3–102
3. Askew RR (1988) The dragonflies of Europe. Harley Books, Colchester, p 291
4. Belle J (1991) The ultimate instar larvae of the central American species of Progomphus Selys, with a description of P. belyshevi spec. nov. from Mexico (Anisoptera: Gomphidae). Odonatologica 20(1):9–27
5. Bick GH (1951a) The nymph of Libellula semifasciata Burmeister (Odonata, Libellulidae). Proc Entomol Soc Wash 53:247–250