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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.
Cassidinae larvae may be leaf miners (many of the former Hispinae), stem borers (e.g. Estigmena) and external leaf feeders (e.g. Leptispa, Oediopalpa). [9] Chrysomelinae generally feed on leaves as adults and larvae, though some species feed on flowers instead. [10] Criocerinae larvae are usually leaf miners or feed externally on leaves. [9]
Phratora polaris is the only Phratora species known to feed on host plants in two different plant families and . [11] In most of its range, P. polaris adults and larvae feed and lay eggs on willow plants. In Iceland, [5] Norway [16] and Scotland, [17] populations are found on the low-growing Salix herbacea.
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 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
The family Phylliidae (often misspelled Phyllidae) contains the extant true leaf insects or walking leaves, which include some of the most remarkably camouflaged leaf mimics (mimesis) in the entire animal kingdom. They occur from South Asia through Southeast Asia to Australia. Earlier sources treat Phylliidae as a much larger taxon, containing ...
This attracts ants, which are believed to reduce the numbers of leaf-eating insects. The yellow flowers appear in late winter and early spring, in groups of up to ten bright yellow spherical flower heads. The fruit is a legume, while the seed is oblong and dark to black in colour. [4]
It is a deciduous shrub reaching 4–7 metres (13–23 ft) in height, exceptionally 7.6 m (25 ft) [4] spreading by basal shoots to form dense clonal colonies.The leaves are narrow lanceolate, 4–12 centimetres (1 + 1 ⁄ 2 – 4 + 3 ⁄ 4 in) long and 2–10 millimetres (1 ⁄ 16 – 3 ⁄ 8 in) broad, green, to grayish with silky white hairs at least when young; the margin is entire or with ...