About Blue Horntail
A metallic blue-black horntail wasp found across the Northern Hemisphere. It breeds in recently dead or dying spruce and fir trees.
Did You Know?
Adults sometimes emerge from milled lumber years later, boring clean round exit holes through flooring or walls.
How to Identify Blue Horntail
Blue Horntail (Sirex juvencus) belongs to the order Hymenoptera, family Siricidae. Adults typically measure 12–30 mm.
Blue Horntail Habitat
Blue Horntail is found in forests habitats, particularly across Europe, North America, Asia. This species has adapted to thrive in its preferred environment, where it can find suitable food sources and shelter.
Blue Horntail Diet and Feeding
Blue Horntail feeds on wood and bark, often boring into timber. Wood-feeding insects contribute to the decomposition of dead trees and nutrient cycling in forest ecosystems.
Where Is Blue Horntail Found?
Blue Horntail can be found in Europe, North America, Asia, where it inhabits forests environments. Its distribution is influenced by climate, food availability, and habitat suitability.
Distribution Map
Where Blue Horntail can be found
Is Blue Horntail Dangerous?
Blue Horntail 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.
Blue Horntail Role in Nature
Blue Horntail 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 Blue Horntail
What does Blue Horntail look like?
The Blue Horntail typically measures 12–30 mm.
Where is Blue Horntail found?
The Blue Horntail is found in Europe, North America, Asia and typically inhabits forests environments.
What does Blue Horntail eat?
The Blue Horntail feeds on wood and bark, often boring into timber.
Is Blue Horntail dangerous to humans?
The Blue Horntail belongs to the order Hymenoptera, which includes stinging insects. While not typically aggressive, it may sting if threatened or handled.
Is Blue Horntail endangered?
The Blue Horntail is currently classified as Not Evaluated by conservation assessments. Habitat loss and environmental changes are among the primary threats to its population.
What is an interesting fact about Blue Horntail?
Adults sometimes emerge from milled lumber years later, boring clean round exit holes through flooring or walls.
Cite This Page
APA:
InsectDiscover. (2026). Blue Horntail (Sirex juvencus). Retrieved from https://insectdiscover.com/insect/blue-horntail
MLA:
"Blue Horntail." InsectDiscover, https://insectdiscover.com/insect/blue-horntail.