VCSU Macro-Invertabrate Lab
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Order Lepidoptera - The Aquatic Moths
Distinguishing characteristics - The aquatic pyralid moths have prolegs (Fig. B). The prolegs on abdominal segments 3-6 and 10 have crochets (Fig. C). They lack both an anal fork and an anal horn on the terminal abdominal segment (Fig. D). A larvae and case are pictured in Figure E.

Tolerance Value - 5

Feeding Group - Shredder

Notes - There are 148 species of Pyralidae in North America. Overwintering is done as larva. They live in lentic habitats, with a few exceptions; and are herbivores. The size of the Aquatic Pyralid Moths at maturity is 3-35 mm.

Penny Picture

Range Map

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