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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Sciarid spp. Johannsen, 1884

Fungus gnats (Sciarid spp.  Johannsen,  1884)
Fungus gnats / Gwybedyn y Fadarch

Type of trees: UNDER GLASS
Damage rating: Damage level 5

Further information: http://www.nemasyspro.com/products/nemasys


Biological Centre Maps: www.bulrush.co.uk/downloads/grower.../22...sciarid/download.html http://herbs.hdc.org.uk
Using nature's weapons to battle current and future threats

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