A new species of Eulithis Hubner (Lepidoptera : Geometridae) from California

A new geometrid moth, Eulithis powellata, of the subfamily Larentiinae, is described from Monterey County, California. It is most similar to the Euras ian Eulithis mellinata (Fabricius) and E. pyraliata (Denis and Schiffermull er), and its larva feeds on Ribes menziesii (Pursh) (Saxifragaceae). Althou gh one of its Old World relatives, E. mellinata, has been introduced into e astern Canada, E. powellata is clearly distinct and apparently endemic to a small area of coastal California. Sixteen species of Eulithis are now know n from North America, including two Eurasian introductions.