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Abstract

The life stages of Sisyra pedderensis are described and statistical data from laboratory rearing experiments discussed. Novel sampling methods
were used to obtain pupae from the field since adults were not attracted to black lights and the larval life cycle closed in the laboratory.
The diel cycles of egg eclosion, full-fed larval emergence from aquatic habitats, and adult emergence are examined and illustrated. Morphological
data are provided to identify the three larval instars. A comprehensive comparison of the biology of S. pedderensis and closely
related overseas species is made. In Lake Pedder, this species of spongillafly was proved to be bivoltine, with overwintering larvae becoming
imagines in early summer which was followed by a single summer generation.

Item Type:	Article
Authors/Creators:	Forteath, GNR and Osborn, AW
Keywords:	Royal Society of Tasmania, RST, Van Diemens Land, natural history, science, ecology, taxonomy, botany, zoology, geology, geography, papers & proceedings, Australia, Aquatic lacewing, bionomics, bivoltine, limnology, Lake Pedder, Tasmania, natural science, Sisyra pedderensis, Neuroptera
Journal or Publication Title:	Papers and Proceedings of the Royal Society of Tasmania
ISSN:	0080-4703
DOI / ID Number:	https://doi.org/10.26749/rstpp.146.25
Copyright Information:	Copyright The Royal Society of Tasmania
Collections:	Royal Society Collection > Papers & Proceedings of the Royal Society of Tasmania
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