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Caddis-flies (Insecta: Trichoptera) from the Insect Limestone (Bembridge Marls, Late Eocene) of the Isle of Wight, UK
Published online by Cambridge University Press: 28 May 2014
Abstract
The trichopteran assemblage of the Late Eocene Bembridge Marls is revised. six species in five genera and four families are identified, with four species and two genera described as new: (Beraeidae: Beraeodes vectensis Cockerell, 1921 and B. anglicus Cockerell, 1921; Phryganeidae: Bembridgea insularia gen. sp. nov.; Polycentropodidae: ?Plectrocnemia incompleta Sukatsheva, sp. nov.; Philopotamidae: Wormaldia longaeva Sukatsheva, sp. nov.; incertae familiae: Paleodicella anomala Sukatsheva, gen. sp. nov.). The assemblage is unique in being absolutely dominated by the generally uncommon family Beraeidae, and particularly by the single species Beraeodes vectensis. Except for a representative of ubiquitous Phryganaeidae, all the caddis-flies recorded apparently had oxy- and psychrophilous larvae confined to springs and cold streams (or else mosses near water), thus indicating the absence of fresh lakes or slow running waters near the depositional water body.
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- Copyright © The Royal Society of Edinburgh 2014
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