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Calculating volume loss in balsam fir pulpwood from wood-boring insects

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Published by Lake States Forest Experiment Station in St. Paul, Minn .
Written in English

Subjects:

  • Monochamus,
  • Boring insects,
  • Balsam fir,
  • Abies balsamea,
  • Diseases and pests

Book details:

Edition Notes

Statement[Louis F. Wilson]
SeriesTechnical notes / Lake States Forest Experiment Station -- no. 599, Technical notes (Lake States Forest Experiment Station (Saint Paul, Minn.)) -- no. 599.
ContributionsLake States Forest Experiment Station (Saint Paul, Minn.)
The Physical Object
Pagination2 unnumbered pages
ID Numbers
Open LibraryOL27276663M
OCLC/WorldCa426801499

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Wood-boring insects are insects that bore into the sapwood and sometimes the heartwood of trees and shrubs. Typically, wood-boring insects, referred to from here on as wood borers, infest weakened, dead, or dying trees and play an important ecological role in the decomposition process in forests. Wood-boring beetles are difficult to control once an infestation has begun. Therefore, prevention is the best management method. Protective measures should take place at every stage of lumber processing and handling including lumber mills, plywood mills, lumberyards, furniture-manufacturing factories, and building-construction firms.   Unlike most wood boring insects, ambrosia adults do the tunnelling in which they release spores and cultivate fungal gardens, their only source of nutrition. The fungus is the damage maker, as it penetrates wood tissue, digests it and concentrates its nutrients . Wood-boring insects that attack healthy trees and shrubs are called “primary invaders.” Primary invaders may eventually kill trees. Damage Borer infestations often go unnoticed until plants or parts of plants begin to die or show external signs of damage. Wood-boring insects often produce sawdust-like frass (excrement). Their holesCited by: 7.

The wood boring insects are currently the main cause of damage in the wooden constructions. This is especially true for the portable pieces of art (such as sculptures), rooftops or bearing pillars in the apart-ments. The most dangerous species of insects destroy the wood by dwelling inside it for many generations, causing its total destruction. Wood-boring beetles come from various insect families. They vary in size, damage and wood pref-erence. Infestations can be managed, but it is criti-cal to identify the beetles accurately because the management options vary by species. Detecting an infestation. The presence of adult wood-boring beetles may or may not indicate an infestation. Additionally, black spruce is codominant in SAF's balsam fir, black spruce-tamarack [,], black spruce-white-spruce, and black spruce-paper birch forest cover types. The balsam fir type occurs in the Maritime Provinces, eastern Canada, and the northeastern and Great Lakes states on a wide variety of sites. The black spruce-tamarack. Detection of Wood Boring Insects’ Larvae Based on the Acoustic Signal Analysis and the Artificial Intelligence Algorithm The paper presents an application of signal processing and computational intelligence methods to detect presence of the wood boring insects larvae in the wooden constructions (such as the furniture of buildings).Cited by: 5.

PDF | Thinning has been recommended to lower stand basal areas in order to reduce losses from southern pine beetle (Dendroctonus frontalis Zimm.) | Find, read and cite all the research you need. Balsam fir is seldom planted because of low market demand and the relative ease of regeneration by natural seeding. Depending on site conditions and the tree species mix that is present, a balsam fir stand can be converted to other forest types. In a mature stand of fir with some aspen, clearcut to produce a stand of aspen suckers with. The wood of most western NorthAmerican firs is inferior to that of pine or spruce but is used for lumber and pulpwood. Of the two fir species that occur in the eastern U.S. and Canada, the better known is the balsam fir (A. balsamea), a popular ornamental and Christmas tree. Preservative Treatment against Wood Borers Insect Pests of Standing Trees Standing trees, particularly if unhealthy or damaged, may be attacked by a number of types of insects. Certain moths, including the Goat Moth, Leopard Moth and some clearwing moths, breed in trees. Oak, Ash, Elm and otherFile Size: KB.