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NEUROPTERA, Sisyridae -- <Images> & <Juveniles>

Please refer also to the following link for details on this group:

Sisyridae = Link 1

This is a small family of "spongillaflies" with just a few genera and species. There are 6 species in North America, three each in genera Climacia and Sisyra. The Rs vein in the former has a single fork while the latter has 2 forks located proximad of the pterostigma. Larvae of Sisyra fuscata F. are entirely aquatic, sucking the body fluids of fresh-water sponges. The larvae are distinguished by having paired, jointed gills on the venter of the first 7 abdominal segments. Eggs are laid in clusters that are covered with a web of white silk, on foliage or other objects hanging over the water (Clausen 1940/62).

References: Please refer to <biology.ref.htm>, [Additional references may be found at: MELVYL Library]