Reference

Werner Weißmair, Johann Waringer (1994): Identification of the Larvae and Pupae of Sisyra fuscata (FABRICIUS, 1793) and Sisyra terminalis CURTIS, 1854 (Insecta: Planipennia: Sisyridae), Based on Austrian Material. – Aquatic Insects – 16/3: 147 - 155.