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The Weaver's Wave (Idaea contiguaria) is a species of moth in the Geometridae family.

This species is classed as Nationally Scarce A in Britain, restricted to North-West Wales. This species is found in heathlands. Similar to the Mullein Wave, this species is smaller, with more distinct crosslines. The crosslines are scalloped, and blue-grey. There is a faint dot on each wing, as well as freckling.

Weaver's Wave TL

When the Weaver's Wave is active

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