Pines are coniferous tree that are part of the Pinus genus of the Pinaceae kinfolk . There are some 115 dissimilar pine tree diagram species in world . true pine trees rise in the northern hemisphere , but are also commonly uncommitted in the southerly hemisphere ’s temperate and subtropical regions . There are various plague that could cause demolition to true pine trees , and eventually kill them .

Pine Needle Scale

Pine needle scale is an insect and major pestis for cosmetic pine tree . They can bring upon price to pines in nurseries , landscapes and on orchard . Pine needle shell can be spread by mammals , birds , the malarkey and tree diagram branch making contact with others . Severe pine tree phonograph needle scale infestations can lead to branch and sprig dieback . The infestation can stunt the growth of pine trees and also disfigure them . Damage by pine needle scales can be forbid during the egg point with the use of a dormant oil spray .

European Pine Sawfly

The European true pine sawfly originates in Europe as its name indicates . It is particularly problematic for pine Tree during the middle of May . The larvae of the sawfly feed on the old development needle of pine Sir Herbert Beerbohm Tree . The larvae is a light-green - gray-haired colour and has one disconsolate stripes and two wan stripes on both incline of its dead body . The legs and head of the larvae are glossy and inglorious in color . This situation can be handle by throwing out infested arm and regular pruning .

Southern Pine Beetle

The Southern pine mallet also can obliterate pine tree tree diagram . This insect is especially problematic in the United States ' southern neighborhood , as well as Central America and Mexico . The mallet attacks all varieties of pines , especially Virginia , shortleaf , tar and pond pines . One coarse augury of onslaught by Southern true pine beetle is the show of a reddish dust within the chap of the tree ’s bark . Bark that is touch on by southerly pine beetles needs to be remove immediately .

White Pine Weevil

The white pine weevil is an insect that could be quite damaging to pine Sir Herbert Beerbohm Tree . It focuses on easterly bloodless pine tree tree diagram , especially Nipponese true pine , foxtail grass pines , Scots pine and limber true pine . full-grown white true pine weevil course on the shoots and the limb of pine Tree , which results in meaning sap flowing . This occasionally down the branch of the Sir Herbert Beerbohm Tree . The best agency to get by this situation is by killing either the larvae or the adults before the tree diagram leaders are altogether damaged .

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