Eupithecia olivacea explained

Eupithecia olivacea is a moth in the family Geometridae first described by Taylor in 1906. It is found in North America from British Columbia south through Washington and Oregon to California.

The forewings are uniform olive brown.^[1] Adults are on wing from early March to April.

The larvae feed on Abies grandis, Abies amabilis, Abies lasiocarpa, Crataegus douglasii, Pseudotsuga menziesii var. glauca, Picea sitchensis and Tsuga heterophylla.^[2]

Notes and References

1. McDunnough . James H. . James Halliday McDunnough . 1949 . Revision of the North American species of the genus Eupithecia (Lepidoptera, Geometridae) . Bulletin of the American Museum of Natural History . 93 . 533–728 . 2013-03-21 . 2013-10-29 . https://web.archive.org/web/20131029195738/http://nitro.biosci.arizona.edu/zeeb/leprefs/B093a08.pdf . dead .
2. http://tidcf.nrcan.gc.ca/insects/factsheet/8716 "Eupithecia olivacea (Taylor)"