Pteronarcys

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The wingpads of Pteronarcys (Plecoptera, Pteronarcyidae). Pteronarcys are very sensitive to stress,

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The abdominal segments of a Pteronarcys (Plecoptera, Pteronarcyidae). Pteronarcys are very sensitive

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The gills of a Pteronarcys (Plecoptera, Pteronarcyidae). Pteronarcys are very sensitive to stress, a

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