Stats

Lifespan

2-4 years

Size

Large

Diet

Herbivore

Activity

Nocturnal

Social

Solitary

Biome

Freshwater stream

Range

North America

Movement

Flight

Breeding

Egg-laying

Defense

Camouflage

Status

Uncommon

About

Giant stoneflies and salmonflies are a group of insect species belonging to the genus Pteronarcys, with about eight species described. They are known for their enormous size, with some species reaching lengths of 11 centimeters.

Life cycle

1. 1.
   egg

   A small egg is laid on or near the larval food source and hatches within days or weeks.
2. 2.
   juvenile

   An immature insect feeds and molts, growing through successive instars.
3. 3.
   subadult

   A near-adult insect has wing buds or near-mature form, one molt away from full size.
4. 4.
   adult

   Fully grown, with full wings and adult coloration.

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Taxonomy

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Plecoptera

Family

Pteronarcyidae

Genus

Pteronarcys