Eupithecia grappleri is a moth in the family Geometridae. It is found in the region of Magallanes and Antarctica Chilena (Esperanza Province) in Chile., 1987, The Eupithecia (Lepidoptera, Geometridae) of Chile. Bulletin of the American Museum of Natural History 186 (3): 269-363. The habitat consists of the Southern Pacific Biotic Province.
The length of the forewings is about 8.5 mm for males.
Etymology The specific name is based on the type locality.
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