''Eupithecia graefi'', or Graef's pug, is a

moth Moths are a paraphyletic group of insects that includes all members of the order Lepidoptera that are not butterflies, with moths making up the vast majority of the order. There are thought to be approximately 160,000 species of moth, many of w ...

in the family Geometridae. The species was first described by George Duryea Hulst in 1896. It is found in North America from south-western

Alberta Alberta ( ) is one of the thirteen provinces and territories of Canada. It is part of Western Canada and is one of the three prairie provinces. Alberta is bordered by British Columbia to the west, Saskatchewan to the east, the Northwest Ter ...

west to

Vancouver Island Vancouver Island is an island in the northeastern Pacific Ocean and part of the Canadian Provinces and territories of Canada, province of British Columbia. The island is in length, in width at its widest point, and in total area, while are o ...

, north to

Alaska Alaska ( ; russian: Аляска, Alyaska; ale, Alax̂sxax̂; ; ems, Alas'kaaq; Yup'ik: ''Alaskaq''; tli, Anáaski) is a state located in the Western United States on the northwest extremity of North America. A semi-exclave of the U.S., ...

and south to

California California is a U.S. state, state in the Western United States, located along the West Coast of the United States, Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the List of states and territori ...

. The habitat consists of wooded areas. The

wingspan The wingspan (or just span) of a bird or an airplane is the distance from one wingtip to the other wingtip. For example, the Boeing 777–200 has a wingspan of , and a wandering albatross (''Diomedea exulans'') caught in 1965 had a wingspan of ...

is 17–25 mm. Adults are mostly on wing in summer, but have been recorded from April to November. The larvae feed on '' Arbutus'' and ''

Gaylussacia ''Gaylussacia'' is a genus of about fifty species of flowering plants in the family Ericaceae, native to the Americas, where they occur in eastern North America and in South America in the Andes and the mountains of southeastern Brazil (the majo ...

'' species, and possibly also ''

Thuja ''Thuja'' ( ) is a genus of coniferous tree or shrub in the Cupressaceae (cypress family). There are five species in the genus, two native to North America and three native to eastern Asia. The genus is monophyletic and sister to ''Thujopsis''. M ...

'' and ''

Pseudotsuga ''Pseudotsuga'' is a genus of evergreen coniferous trees in the family Pinaceae (subfamily Laricoideae). Common names for species in the genus include Douglas fir, Douglas-fir, Douglas tree, Oregon pine and Bigcone spruce. '' Pseudotsuga menz ...

'' species. The larvae are variable in colour, ranging from green to rosy pink and reddish pink."''Eupithecia graefii'' [Geometridae]"
''Caterpillars of Pacific Northwest Forests and Woodlands''. United States Geological Survey. Archived from th

March 16, 2015.

Subspecies

*''Eupithecia graefi graefi'' *''Eupithecia graefi tulareata'' Cassino & Swett, 1922 ( High Sierras of southern California)

References

Ecology of the Sierra Nevada">High Sierras of southern California)

References

graefi Moths of North America">Moths described in 1896 Eupithecia">graefi Moths of North America {{Eupithecia-stub