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Hylobius abietis or the large pine weevil is a beetle belonging to family Curculionidae. This species is widely regarded as the most important pest of most commercially important coniferous trees in European plantations. Seedlings planted or arising from natural regeneration (germinated seed-fall) after clear felling operations are especially ...
The leaves snap cleanly when bent; this character, stated as diagnostic for red pine in some texts, is however shared by several other pine species. The cones are symmetrical ovoid , 4–6 cm ( 1 + 1 ⁄ 2 – 2 + 1 ⁄ 4 in) long by 2.5 cm (1 in) broad, and purple before maturity, ripening to nut-blue and opening to 4–5 cm ( 1 + 1 ⁄ 2 –2 ...
Species closely related to Tomicus piniperda include Tomicus minor (lesser pine shoot beetle), with a similar distribution but ecologically separated, using standing dead pines and with its breeding galleries across the grain, not parallel to it; [2] Tomicus destruens in the Mediterranean region, which differs in details of ecology, infesting primarily stone pine P. pinea and maritime pine P ...
Larix laricina, commonly known as the tamarack, [3] hackmatack, [3] eastern larch, [3] black larch, [3] red larch, [3] or American larch, [3] is a species of larch native to Canada, from eastern Yukon and Inuvik, Northwest Territories east to Newfoundland, and also south into the upper northeastern United States from Minnesota to Cranesville Swamp, West Virginia; there is also an isolated ...
The bark is thin and scaly, flaking off in small, circular plates 5–20 centimeters (2–8 in) across. The inner bark is reddish-brown. [4] The crown is broad conic in young trees, becoming cylindric in older trees; old trees may not have branches lower than 30–40 meters (98–131 ft).
Rimu is a coniferous tree with dark red wood that reaches a height of 35–60 m (115–197 ft), with a trunk 1.5–2 m (4.9–6.6 ft) in diameter. The bark is flaky and dark-brown in colour. In its juvenile stages the branches are thin and numerous, but as the tree grows older around three quarters of the tree becomes branchless. [5]
Tamarix aphylla (Athel tree), a large evergreen tree, does not sexually reproduce in the local climate and is not considered a seriously invasive species. [10] The Athel tree is commonly used for windbreaks on the edge of agricultural fields and as a shade tree in the deserts of the Southwestern United States.
The bark can be very thick, up to 35 cm (1.15 ft), and quite soft and fibrous, [9] with a bright red-brown color when freshly exposed (hence the name redwood), weathering darker. The root system is composed of shallow, wide-spreading lateral roots .