




Sirex juvencus
The Steely-blue Woodwasp is a shiny blue insect that loves to live in forests. It helps trees by laying eggs in wood, which can help break down old trees and make room for new ones.
生息地: Forests
The Steely-blue Woodwasp has a striking metallic blue or purplish-blue body, often with orange legs and a yellowish base to the abdomen, especially in males. Females possess a remarkably long, needle-like ovipositor extending beyond their body, used for egg-laying.





カテゴリ
昆虫レア度
Common
危険度
1/5 · 非常に低い
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Its larvae live inside wood for up to three years before emerging as adults!
The female lays eggs deep inside trees, sometimes leaving behind a tiny drill hole.
They are sometimes called 'horntails' because of a spiky horn on their tail!
Unlike many wasps, this species cannot sting you – only females have an ovipositor!
Steely-blue Woodwasp has a long, tough ovipositor that helps them bore deep into wood to lay eggs safely.
Steely-blue Woodwasp carries special fungus spores that help soften wood, making it easier for larvae to eat.
Steely-blue Woodwasp can detect stressed trees from afar, helping them find ideal places to lay eggs.
Larvae munch on wood inside trees, while adults usually don't eat or just sip tree sap.
年齢による違い: Larvae feed on wood, while adults typically do not feed, relying on energy reserves from the larval stage.
Pinus sylvestris
Larvae tunnel and feed within the heartwood of this tree.
Picea abies
Larvae also target stressed or dying spruce trees.
Abies alba
Larvae develop inside the wood of this common conifer.
Amylostereum areolatum
Female woodwasps carry spores of this fungus to soften wood for larvae.
Ibalia leucospoides
This parasitic wasp lays its eggs on Steely-blue Woodwasp larvae.
まだ別名はありません。
危険度
1/5 · 非常に低い
These insects are not dangerous, but it's best to watch them from a distance.
30-70 mm
9-38 mm
7-30 日
15 km/h
Larvae munch on wood inside trees, while adults usually don't eat or just sip tree sap.
Forests
Foraging
6
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