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Nematus oligospilus, commonly known as the willow sawfly, is a species of sawfly in the family Tenthredinidae. Native to central and northern Europe and Asia, it was first recorded in South America in the 1980s and New Zealand in 1997, and has also been introduced to Australia, South Africa and Lesotho.
Salix discolor, the American pussy willow [2] or glaucous willow, [3] is a species of willow native to North America, one of two species commonly called pussy willow.. It is native to the vast reaches of Alaska as well as the northern forests and wetlands of Canada (British Columbia east to Newfoundland), and is also found in the northern portions of the contiguous United States (Washington ...
Salix exigua (sandbar willow, narrowleaf willow, or coyote willow; syn. S. argophylla, S. hindsiana, S. interior, S. linearifolia, S. luteosericea, S. malacophylla, S. nevadensis, and S. parishiana) is a species of willow native to most of North America except for the southeast and far north, occurring from Alaska east to New Brunswick, and south to northern Mexico. [2]
Salix alba, the white willow, is a species of willow native to Europe and western and central Asia. [2] [3] The name derives from the white tone to the undersides of the leaves. It is a medium to large deciduous tree growing up to 10–30 m tall, with a
Flowers. Salix nigra is a medium-sized deciduous tree, the largest North American species of willow, growing to 10–30 m (35–100 ft) tall, exceptionally up to 45 m (148 ft), with a trunk 50–80 centimeters (20–30 in) diameter.
The flowers are yellow catkins, 3–8 cm (1 + 1 ⁄ 4 – 3 + 1 ⁄ 4 in) long, produced in the spring with the leaves. The reddish-yellow fruit matures in late spring or early summer, and the individual capsules are 4–6 millimetres (3 ⁄ 16 – 1 ⁄ 4 in) long. [5] [6] The peachleaf willow grows very quickly, but is short-lived.
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A leafhoppers' diet commonly consists of sap from a wide and diverse range of plants, but some are more host-specific. Leafhoppers mainly are herbivores, but some are known to eat smaller insects, such as aphids, on occasion. A few species are known to be mud-puddling, but as it seems, females rarely engage in such behavior. Many species are ...