Where does pteronarcys sachalina usually live?
They live in a lotic-erosional habitat. Larvae of giant stoneflies live in cool streams of small to medium size, in leaf and woody debris packs. They prefer swift riffles between cobbles and boulders. Although the Pteronarcyidae are primarily shredders-detritivores, some facultative scrapers occur. They chew and mine through leaf litter. They are intolerant to loss of coarse particulate organic matter that is their food and habitat.

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Scientific Classification
Phylum
Arthropods

Class
Bugs

Order
Plecoptera

Family
Giant stoneflies

Species
Pteronarcys sachalina (Pteronarcys sachalina)