Keeping woodlands in Wales and Ireland healthy

Most damaging Forest insects


The following table is based on information in "Forestry Commission Handbook 1, Forest Insects: - a guide to insects feeding on trees in Britain" by D Bevan, published by HMSO 1987

It is restricted to those insects with a damage rating of 4 (XXXX) [Severe. Causing severe loss of crop increment, death of individual trees, severe degrade of produce, of young stock or of amenity value.] and 5 (XXXXX) [Very severe. Causing death of crop]

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Oligonychus ununguis Jacobi, 1905

Conifer spinning mite (Oligonychus ununguis  Jacobi,  1905)
Conifer spinning mite / Gwiddon Conwydden Nyddu

Type of trees: UNDER GLASS
Damage rating: Damage level 4

Further information: http://www.livingwithbugs.com


Biological Centre Maps: extension.psu.edu/ipm/program/...tree/.../spruce-spider-mite.pdf
Using nature's weapons to battle current and future threats

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