Figures 10.5. Dorsal and lateral views of the larva of a species of water penny (Coleoptera: Psephenidae).
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Dorsal (left) and ventral (right) views of the larva of Edwardsina polymorpha (Diptera: Blephariceridae); the venter has suckers which the larva uses to adhere to rock surfaces in fast-flowing water.
