''Phyllonorycter salicifoliella'' is a moth of the family Gracillariidae. It is widespread across

North America North America is a continent in the Northern Hemisphere and almost entirely within the Western Hemisphere. It is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South America and the Car ...

, from Mississippi to Ontario in the east and from southern California to northern British Columbia in the west. The length of the forewings is 3–4 mm. Adults are on wing from July to mid-August and again from late August to November in two generations. The larvae mostly feed on '' Salix'' species, including '' Salix alba'', '' Salix amygdaloides'', '' Salix babylonica'', '' Salix bebbiana'', '' Salix bonplandiana'', ''

Salix caroliniana ''Salix caroliniana'', commonly known as the coastal plain willow, is a shrub or small tree native to the southeastern United States, Mexico and parts of Central America and the Caribbean. It is an obligate wetland species and grows as an eme ...

'', ''

Salix eriocephala ''Salix eriocephala'', known as heart-leaved willow or Missouri River willow, is a species of willow Willows, also called sallows and osiers, from the genus ''Salix'', comprise around 400 speciesMabberley, D.J. 1997. The Plant Book, Cambri ...

'', ''

Salix lasiolepis ''Salix lasiolepis'' (arroyo willow) is a species of willow native to western North America. Distribution The core range of the arroyo willow includes most of California, including the California Coast Ranges, Arizona, Klamath Mountains, Penin ...

'', Salix "longifolia", ''

Salix lutea ''Salix lutea'' is a species of willow known by the common name yellow willow. It is native to North America, including central Canada and parts of the western and central United States, with the exception of the Great Basin. It can be found in ...

'', ''

Salix monticola ''Salix monticola'' is a species of flowering plant in the willow family known by the common names mountain willow, cherry willow, serviceberry willow, and park willow. It is native to the United States, where it occurs in the Rocky Mountains r ...

'', '' Salix purpurea'', ''Salix x rubens'' ('' Salix alba'' x '' Salix fragilis''), ''

Salix scouleriana ''Salix scouleriana'' (Scouler's willow; syn. ''S. brachystachys'' Benth., ''S. capreoides'' Anderss., ''S. flavescens'' Nutt., ''S. nuttallii'' Sarg., ''S. stagnalis'' Nutt.) is a species of willow native to northwestern North America. Other nam ...

'' and ''

Salix sericea ''Salix sericea'', commonly known as silky willow, is a shrub in the Salicaceae family that grows in swamps and along rivers in eastern United States and Canada. It is tall and has long, thin, purplish twigs. The leaves are 6–10 cm long ...

'', but may also feed on ''

Populus ''Populus'' is a genus of 25–30 species of deciduous flowering plants in the family Salicaceae, native to most of the Northern Hemisphere. English names variously applied to different species include poplar (), aspen, and cottonwood. The we ...

'' species, including '' Populus balsamifera'' and '' Populus tremuloides''. They mine the leaves of their host plant.

References

salicifoliella Moths of North America Moths described in 1871 {{Phyllonorycter-stub