Green Immigrant Leaf Weevil (Polydrusus formosus) lives in temperate forests across Europe, Western Asia.
Fascinating facts about the Green Immigrant Leaf Weevil
- From spring's first warmth to late summer's heat, adult green immigrant leaf weevils are on the move. Adults can mostly be encountered from April through August, then they lay eggs that develop into soil-inhabiting larvae. In autumn their development is complete. They overwinter and pupate in spring, emerging again as fresh adults.
- When the adults emerge, they become voracious eaters of young leaves and open blossoms on many trees, from hazel and oak to apple, pear, and cherry. The adults are eaters of young leaves and open blossoms of a wide variety of woodland trees and shrubs (Corylus avellana, Quercus species, etc.), but also fruit trees (apple, pear, cherry, etc.).
- The adults grow up to 5-6 millimetres (0.20-0.24 in) long, and their black bodies are cloaked in brilliant metallic green emerald round scales. When those scales wear off, the dark underside is revealed.
- Beneath the forest floor, the weevil's larvae grow to a surprising length of 7 millimetres (0.28 in), feeding on juicy plant roots. The soil-inhabiting larvae grow up to 7 millimetres (0.28 in) long feeding on juicy plant roots.
Sources
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At a glance
RangeEurope, Western Asia
HabitatTemperate forests
DietAlder and birch
About the Green Immigrant Leaf Weevil
In the dappled light of woodland glades, the Green Immigrant Leaf Weevil dances across the verdant canvas, its iridescent elytra glimmering like a shard of emerald as it navigates the intricate network of leaf veins and stems. With each delicate step, this tiny, unassuming insect embodies the very essence of resilience, its remarkable adaptability allowing it to thrive in a wide range of habitats, from the sun-drenched meadows to the shaded recesses of ancient forests. As it moves, the weevil leaves behind a trail of subtle, almost imperceptible impressions, a testament to the quiet, unobtrusive beauty of its existence.
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