Larvae
Leptophlebiid larvae live in freshwater streams and lakes eating detritus and/or algae. North American species generally cling to rocks, few physiologically equipped for skilled swimming. Like all Ephemeropteran larave, fragile gills line the lateral margins of their abdomen. Some genera grow mandibular tusks like their burrowing relatives, the Ephemeridae, Polymitarcyidae, and Potamanthidae.
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