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Mechanical control of Blue pine defoliator <i>Biston regalis</i> Moore (Geometridae, Lepidoptera) in Murree and Azad Kashmir

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Title: Mechanical control of Blue pine defoliator Biston regalis Moore (Geometridae, Lepidoptera) in Murree and Azad Kashmir

Journal: Pakistan Journal of Forestry

HEC Recognition History
Category From To
Y 1900-01-01 2005-06-30

Publisher: Pakistan Forest Institute, Peshawar

Country: Pakistan

Year: 1981

Volume: 31

Issue: 3

Language: English

Categories
Mechanical Control (1) Blue Pine Defoliator (1) Entomology (5304) Forestry (1961) Lepidoptera (29)

Abstract

ABSTRACT Intro: For the first time Biston regalis Moore appreared in epidemic form in the blue pine (Pinus wallichiana) forests of Murree and Azad Kashmir in August, 1980, causing defoliation over about 3175 acres. The insect has an annual life cycle with moths emerging in May. These have brownish grey wings with thick black and white strips, exhibiting close mimicry with tree trunks. They hide under plant debris during day and become active at dusk and dawn. Moths spend the night sitting on tree trunks and on fresh needles.

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