About Northern Stonefly
A small, dark brown stonefly with two long cerci at the tip of the abdomen. Adults hold their wings flat over the body. Nymphs develop in cold, well-oxygenated streams and are indicators of clean water.
Did You Know?
Stonefly nymphs are so sensitive to pollution that their presence in a stream is used as an indicator of excellent water quality.
How to Identify Northern Stonefly
Northern Stonefly (Nemoura arctica) belongs to the order Plecoptera, family Nemouridae. Adults typically measure 6-10 mm.
Northern Stonefly Habitat
Northern Stonefly is found in rivers & streams habitats, particularly across Arctic Scandinavia, Finland, northern Russia, Iceland, Arctic Canada. This species has adapted to thrive in its preferred environment, where it can find suitable food sources and shelter.
Northern Stonefly Diet and Feeding
Northern Stonefly is a herbivore, feeding on plant material including leaves, stems, flowers, and other vegetation. Herbivorous insects play a significant role in ecosystems by influencing plant growth and serving as a food source for predators.
Where Is Northern Stonefly Found?
Northern Stonefly can be found in Arctic Scandinavia, Finland, northern Russia, Iceland, Arctic Canada, where it inhabits rivers & streams environments. Its distribution is influenced by climate, food availability, and habitat suitability.
Distribution Map
Where Northern Stonefly can be found
Is Northern Stonefly Dangerous?
Northern Stonefly is generally harmless to humans. It does not bite or sting and poses no significant health risk. Like most insects, it prefers to avoid human contact and will typically flee rather than confront a perceived threat.
Northern Stonefly Role in Nature
Northern Stonefly is part of the food web as a primary consumer, feeding on plant material. It serves as an important food source for birds, bats, amphibians, and other insectivores, connecting plant energy to higher trophic levels.
Seasonal Activity
Frequently Asked Questions About Northern Stonefly
What does Northern Stonefly look like?
The Northern Stonefly typically measures 6-10 mm.
Where is Northern Stonefly found?
The Northern Stonefly is found in Arctic Scandinavia, Finland, northern Russia, Iceland, Arctic Canada and typically inhabits rivers & streams environments.
What does Northern Stonefly eat?
The Northern Stonefly feeds on plant material including leaves, stems, and other vegetation.
Is Northern Stonefly dangerous to humans?
The Northern Stonefly is generally harmless to humans. It does not bite or sting and poses no significant health risk.
What is an interesting fact about Northern Stonefly?
Stonefly nymphs are so sensitive to pollution that their presence in a stream is used as an indicator of excellent water quality.
Cite This Page
APA:
InsectDiscover. (2026). Northern Stonefly (Nemoura arctica). Retrieved from https://insectdiscover.com/insect/northern-stonefly
MLA:
"Northern Stonefly." InsectDiscover, https://insectdiscover.com/insect/northern-stonefly.