''Eupithecia annulata'', the larch pug moth, is a
moth in the family
Geometridae. The species was
first described by
George Duryea Hulst in 1896. It is found in North America from
British Columbia north to the
Yukon, east to
Newfoundland and Labrador and south to
California and
Colorado.
The
wingspan is about 19 mm. Adults are on wing from April to June.
The larvae feed on ''
Pseudotsuga menziesii'', ''
Picea mariana'', ''
Picea engelmannii
''Picea engelmannii'', with the common names Engelmann spruce, white spruce, mountain spruce, and silver spruce, is a species of spruce native to western North America. It is mostly a high-altitude mountain tree but also appears in watered canyon ...
'', ''
Picea glauca'', ''
Picea engelmannii
''Picea engelmannii'', with the common names Engelmann spruce, white spruce, mountain spruce, and silver spruce, is a species of spruce native to western North America. It is mostly a high-altitude mountain tree but also appears in watered canyon ...
'', ''
Pseudotsuga menziesii var. glauca'', ''
Tsuga mertensiana'', ''
Tsuga heterophylla'', ''
Abies amabilis'', ''
Abies grandis'', ''
Abies lasiocarpa'', ''
Abies lasiocarpa'', ''
Quercus garryana'', ''
Pinus monticola
Western white pine (''Pinus monticola''), also called silver pine and California mountain pine, is a species of pine in the family Pinaceae. It occurs in mountain ranges of northwestern North America. It is the List of U.S. state trees, state tre ...
'', ''
Pinus contorta var. latifolia'', ''
Larix occidentalis'' and ''
Thuja plicata''. Full-grown larvae reach a length of about 22 mm. There are two morphs. The common morph has a green and brown variant. The second morph has a greenish-brown, reddish-brown or yellowish-brown body and head. Larvae can be found from May to August and pupation occurs from July to August. The species overwinters in the pupal stage.
"Larch pug moth"
''Trees, insects and diseases of Canada's forests''. Natural Resources Canada. Retrieved February 25, 2019
References
Moths described in 1896
annulata
Moths of North America
{{Eupithecia-stub