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Phyllonorycter Salicifoliella
''Phyllonorycter salicifoliella'' is a moth of the family Gracillariidae. It is widespread across North America, 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 eriocephala'', ''Salix lasiolepis'', Salix "longifolia", '' Salix lutea'', ''Salix monticola'', ''Salix purpurea'', ''Salix x rubens'' (''Salix alba'' x ''Salix fragilis''), '' Salix scouleriana'' and '' Salix sericea'', but may also feed on ''Populus'' species, including ''Populus balsamifera'' and ''Populus tremuloides''. They mine Mine, mines, miners or mining may refer to: Extraction or digging *Miner, a person engag ...
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Moth
Moths are a group of insects that includes all members of the order Lepidoptera that are not Butterfly, butterflies. They were previously classified as suborder Heterocera, but the group is Paraphyly, paraphyletic with respect to butterflies (suborder Rhopalocera) and neither subordinate taxon is used in modern classifications. Moths make up the vast majority of the order. There are approximately 160,000 species of moth, many of which have yet to be described. Most species of moth are nocturnal, although there are also crepuscular and Diurnal animal, diurnal species. Differences between butterflies and moths While the Butterfly, butterflies form a monophyly, monophyletic group, the moths, comprising the rest of the Lepidoptera, do not. Many attempts have been made to group the superfamilies of the Lepidoptera into natural groups, most of which fail because one of the two groups is not monophyletic: Microlepidoptera and Macrolepidoptera, Heterocera and Rhopalocera, Jugatae a ...
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Salix Eriocephala
''Salix eriocephala'', known as heart-leaved willow or Missouri River willow, is a species of willow Willows, also called sallows and osiers, of the genus ''Salix'', comprise around 350 species (plus numerous hybrids) of typically deciduous trees and shrubs, found primarily on moist soils in cold and temperate regions. Most species are known ... native to a large portion of the temperate United States and Canada. It is usually found as a narrow shrub or small tree with multiple trunks growing to a height of . It has dark gray, scaly bark with thick lance-shaped leaves that are hairy underneath. The silky catkins appear before the leaves in early spring. References External links * * * eriocephala Flora of Northern America {{Salicaceae-stub ...
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Phyllonorycter
''Phyllonorycter'' is a genus of moths in the family Gracillariidae. Diversity The genus comprises about 400 species, with a worldwide distribution. The vast majority of species are found in the temperate regions, with about 257 species described from the Palaearctic, Palaearctic region and 81 from the Nearctic. In the tropics, the genus is species-poor, with 36 species described from Indo-Australia, 13 from the Neotropics and 22 from the Afrotropical, Afrotropical region. In 2012, a further 27 species were described from the Afrotropics. Species *''Phyllonorycter aarviki'' de Prins, 2012 *''Phyllonorycter aberrans'' (Braun, 1930) *''Phyllonorycter abrasella'' (Duponchel, [1843]) *''Phyllonorycter acaciella'' (Duponchel, 1843) *''Phyllonorycter acanthus'' Davis & Deschka, 2001 *''Phyllonorycter acerifoliella'' (Zeller, 1839) *''Phyllonorycter aceripestis'' (Kuznetzov, 1978) *''Phyllonorycter aceriphaga'' (Kuznetzov, 1975) *''Phyllonorycter achilleus'' de Prins, 2012 *''Phyllonor ...
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Leaf Miner
A leaf miner is any one of numerous species of insects in which the larval stage lives in, and eats, the leaf tissue of plants. The vast majority of leaf-mining insects are moths (Lepidoptera), sawflies (Symphyta, a paraphyletic group which Apocrita (wasps, bees and ants) evolved from), and flies (Diptera). Some beetles also exhibit this behavior. Like woodboring beetles, leaf miners are protected from many predators and plant defenses by feeding within the tissues of the leaves, selectively eating only the layers that have the least amount of cellulose. When consuming ''Quercus robur'' (English oak), they also selectively feed on tissues containing lower levels of tannin, a deterrent chemical produced in great abundance by the tree. The pattern of the feeding tunnel and the layer of the leaf being mined is often diagnostic of the insect responsible, sometimes even to species level. The mine often contains frass, or droppings, and the pattern of frass deposition, mine sha ...
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Populus Tremuloides
''Populus tremuloides'' is a deciduous tree native to cooler areas of North America, one of several species referred to by the common name aspen. It is commonly called quaking aspen,Quaking Aspen
by the Bryce Canyon
trembling aspen, American aspen, mountain or golden aspen, trembling poplar, white poplar, and popple, as well as others. The trees have tall trunks, up to tall, with smooth pale bar ...
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Populus Balsamifera
''Populus balsamifera'', commonly called balsam poplar, bam, bamtree, eastern balsam-poplar, hackmatack, tacamahac poplar, tacamahaca, is a tree species in the balsam poplar species group in the poplar genus, ''Populus.'' The genus name ''Populus'' is from the Latin for poplar, and the specific epithet ''balsamifera'' from Latin for "balsam-bearing". ''Populus balsamifera'' is the northernmost North American hardwood, growing transcontinentally on boreal and montane upland and flood plain sites, and attaining its best development on flood plains. It is a hardy, fast-growing tree which is generally short lived, but some trees as old as 200 years have been found. The tree is known for its strong, sweet fragrance, which emanates from its sticky, resinous buds. The smell has been compared to that of the balsam fir tree. Taxonomy The black cottonwood, '' Populus trichocarpa'', is sometimes considered a subspecies of ''P. balsamifera'' and may lend its common name to this speci ...
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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 western balsam poplar (Populus trichocarpa, ''P. trichocarpa'') was the first tree to have its full DNA code determined by DNA sequencing, in 2006. Description The genus has a large genetic diversity, and can grow from tall, with trunks up to in diameter. The Bark (botany), bark on young trees is smooth and white to greenish or dark gray, and often has conspicuous lenticels; on old trees, it remains smooth in some species, but becomes rough and deeply fissured in others. The shoots are stout, with (unlike in the related willows) the terminal bud present. The leaves are spirally arranged, and vary in shape from triangular to circular or (rarely) lobed, and with a long petiole (botany), petiole; in species in the sections ''Populus'' ...
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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, 7–8 mm wide, lanceolate, acuminate, serrulate, dark green and lightly hairy on top, and light green and densely covered with white silky hairs underneath. Mature leaves are glabrous. The petioles are 1 cm long. Catkins are sessile and usually bracteate A bracteate (from the Latin ''bractea'', a thin piece of metal) is a flat, thin, single-sided gold medal worn as jewelry that was produced in Northern Europe predominantly during the Migration Period of the Germanic Iron Age (including the Ven .... ''S. sericea'' blooms in May and fruits in June. References sericea Trees of Northern America {{salicaceae-stub ...
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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 names occasionally used include fire willow, Nuttall willow, mountain willow, and black willow. Description ''Salix scouleriana'' is a deciduous shrub or small tree, depending on the environment, usually with multiple stems that reach in height in dry, cold, high elevations, and other difficult environments, and or more in favorable sites. The stems are straight and support few branches generally resulting in narrow crowns. The root system is fibrous, deep, and widespread. The thick sapwood is nearly white, and heartwood is light brown tinged with red. Stem bark is thin, gray or dark brown, with broad, flat ridges. Twigs are stout and whitish-green. The leaves are oblanceolate to elliptic, long, mostly short-pointed at the apex and taper ...
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Salix × Fragilis
''Salix'' × ''fragilis'', with the common names crack willow and brittle willow, is a hybrid species of willow native to Europe and Western Asia. It is native to riparian habitats, usually found growing beside rivers and streams, and in marshes and water meadow channels.Meikle, R. D. (1984). ''Willows and Poplars of Great Britain and Ireland''. BSBI Handbook No. 4. .Rushforth, K. (1999). ''Trees of Britain and Europe''. Collins .USFS—United States Forest Service: ''Salix fragilis'' — "Weed of the Week"
. accessed 1.13.2013
It is a hybrid between '''' and ''

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Salix Purpurea
Willows, also called sallows and osiers, of the genus ''Salix'', comprise around 350 species (plus numerous hybrids) of typically deciduous trees and shrubs, found primarily on moist soils in cold and temperate regions. Most species are known as willow, but some narrow-leaved shrub species are called osier, and some broader-leaved species are referred to as sallow (from Old English ''sealh'', related to the Latin word ''salix'', willow). Some willows (particularly arctic and alpine species) are low-growing or creeping shrubs; for example, the dwarf willow (''Salix herbacea'') rarely exceeds in height, though it spreads widely across the ground. Description Willows all have abundant watery bark sap, which is heavily charged with salicin, soft, usually pliant, tough wood, slender branches, and large, fibrous, often stoloniferous roots. The roots are remarkable for their toughness, size, and tenacity to live, and roots readily sprout from aerial parts of the plant. Leave ...
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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 region from Wyoming to Arizona and New Mexico.''Salix monticola''.
Flora of North America.
It also occurs in and parts of Canada.Esser, L. 1992
''Salix monticola''.
In: Fire Effects Information System, nline U.S. Depart ...
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