Eupithecia dichroma explained

Eupithecia dichroma is a moth in the family Geometridae first described by James Halliday McDunnough in 1946. It is found in western North America, including Washington, Utah, Colorado, Oregon, New Mexico and Arizona.^[1]

Notes and References

1. Rindge . Frederick H. . July 25, 1963 . Notes on and descriptions of North American Eupithecia (Lepidoptera, Geometridae) . American Museum Novitates . 2147 . 1–23.