About Polar Willow Gall Sawfly
A tiny sawfly that induces galls on Arctic willow stems by injecting chemicals during egg-laying. The larva develops safely inside the swollen plant tissue. Adults are small and dark with clear wings.
Did You Know?
The gall provides the larva with both food and insulation, maintaining temperatures several degrees warmer than the outside air.
How to Identify Polar Willow Gall Sawfly
Polar Willow Gall Sawfly (Euura arcticum) belongs to the order Hymenoptera, family Tenthredinidae. Adults typically measure 3-5 mm.
Polar Willow Gall Sawfly Habitat
Polar Willow Gall Sawfly is found in tundra & arctic habitats, particularly across Arctic Canada, Alaska, Greenland, Arctic Scandinavia, Svalbard. This species has adapted to thrive in its preferred environment, where it can find suitable food sources and shelter.
Polar Willow Gall Sawfly Diet and Feeding
Polar Willow Gall Sawfly induces galls on plants and feeds within them. Gall-making insects trigger abnormal plant growth that provides both food and shelter for their developing larvae.
Where Is Polar Willow Gall Sawfly Found?
Polar Willow Gall Sawfly can be found in Arctic Canada, Alaska, Greenland, Arctic Scandinavia, Svalbard, where it inhabits tundra & arctic environments. Its distribution is influenced by climate, food availability, and habitat suitability.
Distribution Map
Where Polar Willow Gall Sawfly can be found
Is Polar Willow Gall Sawfly Dangerous?
Polar Willow Gall Sawfly belongs to the order Hymenoptera, which includes many stinging insects. While not typically aggressive, it may sting if threatened or handled. Stings can cause pain and swelling, and in rare cases may trigger allergic reactions in sensitive individuals.
Polar Willow Gall Sawfly Role in Nature
Polar Willow Gall Sawfly 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 Polar Willow Gall Sawfly
What does Polar Willow Gall Sawfly look like?
The Polar Willow Gall Sawfly typically measures 3-5 mm.
Where is Polar Willow Gall Sawfly found?
The Polar Willow Gall Sawfly is found in Arctic Canada, Alaska, Greenland, Arctic Scandinavia, Svalbard and typically inhabits tundra & arctic environments.
What does Polar Willow Gall Sawfly eat?
The Polar Willow Gall Sawfly induces galls on plants and feeds within them.
Is Polar Willow Gall Sawfly dangerous to humans?
The Polar Willow Gall Sawfly belongs to the order Hymenoptera, which includes stinging insects. While not typically aggressive, it may sting if threatened or handled.
What is an interesting fact about Polar Willow Gall Sawfly?
The gall provides the larva with both food and insulation, maintaining temperatures several degrees warmer than the outside air.
Cite This Page
APA:
InsectDiscover. (2026). Polar Willow Gall Sawfly (Euura arcticum). Retrieved from https://insectdiscover.com/insect/polar-willow-gall-sawfly
MLA:
"Polar Willow Gall Sawfly." InsectDiscover, https://insectdiscover.com/insect/polar-willow-gall-sawfly.