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A blessed thistle (Cnicus palustris) with an associated insect and its anatomical segments. Coloured etching, c. 1830.

The biology of North American caddis fly larvae / by John Thomas Lloyd.

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Caddisflies

Images from the collections

Images about Caddisflies

Works from the collections

The biology of North American caddis fly larvae / by John Thomas Lloyd.

A blessed thistle (Cnicus palustris) with an associated insect and its anatomical segments. Coloured etching, c. 1830.