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Distribution and Spread of the Great European Spruce Bark Beetle, Dendroctonus micans, in Britain--1982 to 1989 |
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| Authors: | FIELDING N J; EVANS H F; WILLIAMS J M; EVANS B |
| Institution: | 1Entomology Branch, Forestry Commission Marches Forest District, Whitcliffe, Ludlow, Shropshire, SY8 2HD, England 2Entomology Branch, Forest Research Station Alice Holt Lodge, Wrecclesham, Farnham, Surrey, GU10 4LH, England 3Forestry Commission, Morgannwg Forest District, Resolven Neath, West Glamorgan, SA11 4DR, Wales 4Forestry Commission Clwyd Forest District, Clawdd Newydd, Ruthin, Clwyd, LL15 2NL, Wales |
| Abstract: | The great European spruce bark beetle (Dendroctonus micans),which had for many years been seen as a potential threat toBritain's spruce plantations, was first discovered in Britainduring August 1982, breeding in Sitka spruce. Surveys in spruceplantations were initiated to determine the distribution ofthe beetle, a necessary background for development of controlstrategies. This paper reports the development and evolutionof survey techniques from 1982 to 1989, as well as the spreadof the D.micans populations during this time. Details of controlstrategies and legislation to contain the outbreak are alsogiven, along with conclusions concerning the natural dispersalof D.micans. Received 23 July 1990. |
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