Eupithecia joanata explained

Eupithecia joanata is a moth in the family Geometridae first described by Samuel E. Cassino and Louis W. Swett in 1922. It is found in southern California, United States.

The wingspan is about 17 mm. Adults have been recorded on wing from December to March.^[1]

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 .