Stonefly larva 1230786000

Photograph by Rich Merritt.

Two stonefly larva sit on red and yellow autumn leaves. The scientific name is Plecoptera. Pteronarcidae: Pteronarcys sp.

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Altas of Common Macroinvertebrates of Eastern North America

Giant Stonefly Nymphs. Photograph. Altas of Common Macroinvertebrates of Eastern North America. https://www.macroinvertebrates.org/taxa-media/plecoptera-larva/pteronarcyidae. Accessed February 20, 2026.