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Celastrina argiolus
The Holly Blue is a small, beautiful butterfly with bright blue wings. It loves to flutter around gardens and woodlands, bringing joy to everyone who sees it.
生息地: Woodlands
The Holly Blue is a small, vibrant butterfly. Males boast brilliant sky-blue upper wings, while females have similar blue wings with distinct broad black borders on their forewings. Both sexes feature pale silvery-blue or white underwings, usually unmarked or with very tiny, sparse black dots, which helps distinguish them.
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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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Holly Blues overwinter as pupae, hidden away until spring arrives!
Its caterpillars start by eating flower buds, then switch to fruits as they grow!
The first generation's caterpillars often feast on holly, while the second prefers ivy!
These butterflies can have two or even three generations born in a single year!
Holly Blue has pale, unmarked underwings that help them blend against the sky, making them harder for predators to spot.
Holly Blue can lay eggs directly inside flower buds, providing immediate shelter and food for their caterpillars when they hatch.
Holly Blue caterpillars have special glands that secrete sugary fluid, attracting ants that protect them from predators.
Caterpillars munch on plant buds and fruits, while adult butterflies sip on flower nectar.
年齢による違い: Caterpillars eat flower buds and fruits; adults feed on nectar from flowers.
Ilex aquifolium
Caterpillars often feed on holly buds.
Hedera helix
Later generations of caterpillars prefer ivy.
Lasius niger
Ants protect caterpillars for honeydew.
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Parus major
Adults and caterpillars are prey for birds.
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Taraxacum officinale
Adults visit flowers for nectar, aiding pollination.
危険度
1/5 · 非常に低い
Butterflies are safe to watch, but it's best to look without touching them.
26-34 mm
10-15 mm
7-21 日
Caterpillars munch on plant buds and fruits, while adult butterflies sip on flower nectar.
Woodlands
Foraging
6
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