1769 Spruce Carpet Thera britannica
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Moths Geometridae » Larentiinae
Wingspan 18-25 mm.
Phenology 2 broods, flying from May to July, and then in September and October.
Description Present throughout Britain in suitable habitat (spruce plantations), though less common in Scotland and Ireland.
Life Cycle The larvae feed on spruce (Picea spp.) and Douglas fir (Pseudotsuga menziesii).