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Agelastica alni
The Alder Leaf Beetle is a small, shiny insect that loves to munch on alder tree leaves. They are often found in groups and can be seen during the warm months, making them fun to spot in nature!
生息地: Forests
The Alder Leaf Beetle is a small, oval-shaped insect, distinctively metallic blue-black, sometimes with a greenish sheen. Its shiny, dark exoskeleton helps it stand out against green leaves. Its head and thorax are also the same glossy dark color.
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カテゴリ
昆虫レア度
Common
危険度
1/5 · 非常に低い
スナップ
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Adult Alder Leaf Beetles spend their whole lives near alder trees, rarely venturing far from their favorite food.
Their babies, called larvae, look like tiny black slugs and munch leaves even more than adults!
These beetles can completely strip an alder tree of its leaves, turning green trees bare!
They lay their bright orange eggs in clusters on the underside of alder leaves, hiding them from view.
Alder Leaf Beetle can secrete a yellow, toxic fluid from its leg joints because this reflex bleeding helps deter hungry predators.
Alder Leaf Beetle has specialized mouthparts that help it chew through tough alder leaves, making them its primary food source.
Alder Leaf Beetle can survive cold winters by burrowing into leaf litter or soil, which helps them emerge in spring.
These beetles munch on delicious alder leaves, both as larvae and adults!
年齢による違い: Both larvae and adults exclusively feed on the leaves of alder trees.
Alnus glutinosa
Feeds on leaves, sometimes causing defoliation.
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Parus major
Common bird predator of insects, including beetles.
Araneus diadematus
Spiders prey on various insects found on foliage.
まだ別名はありません。
危険度
1/5 · 非常に低い
These beetles are safe to observe, but it's best not to touch them.
12-14 mm
6-7 mm
60-120 日
These beetles munch on delicious alder leaves, both as larvae and adults!
Forests
Foraging
6
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