Keeping woodlands in Wales and Ireland healthy

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Publications relating to Pest Profile

17 documents found

Category: Impact publication : Pest Profile
Great spruce bark beetle Categories: Impact publication Pest Profile    Size: 146.32 KB   display document
Restrict spread by annual surveys around the edge of a quarantined area followed by destruction of infested trees especially those attacked by root fungi or other pests. The current labour-intensive visual survey methods of this pest is not cost-effective, however a biological programme of a predator at the edge of its expanding range to locate its prey even when there may be only a few infested trees in the forest would be a cost effective alternative.

Large Pine Weevil Categories: Impact publication Pest Profile    Size: 218.86 KB   display document
Forest Research has developed the Hylobius Management Support System (MSS) which is a user-friendly on-line decision support system that has been developed to help the UK forest industry reduce restocking costs and the amount of insecticide used to control the Large Pine weevil.

Oak Jewel Beetle life cycle Categories: Impact publication Pest Profile    Size: 261.22 KB   display document


Oak processionary moth life cycle (pdf) Categories: Impact publication Pest Profile    Size: 1.44 MB   display document


Pest profile - Black vine weevil Categories: Impact publication Pest Profile    Size: 166.33 KB   display document


Pest profile - Cockchafer Categories: Impact publication Pest Profile    Size: 140.66 KB   display document


Pest profile - Garden Chafters Categories: Impact publication Pest Profile    Size: 175.59 KB   display document


Pest Profile - Large larch bark beetle Categories: Impact publication Pest Profile    Size: 170.96 KB   display document
Detailed information on Ips cembrae, the large larch beetle including hosts, threats,distribution, spread and control

Pest profile - Oak processionary moth Categories: Impact publication Pest Profile    Size: 241.18 KB   display document


Pest profile - Oak processionary moth Categories: Impact publication Pest Profile    Size: 437.72 KB   display document


Pest profile - Pine processionary moth Categories: Impact publication Pest Profile    Size: 462.64 KB   display document


Pest profile – Asian longhorn beetle Categories: Impact publication Pest Profile    Size: 166.36 KB   display document
An exotic wood-borer beetle pest that attacks healthy hardwood trees which has recently become established in areas of the USA. It is a native of SE Asia (China, Korea and Japan) where it is a major problem on broadleaved trees. It has been intercepted at many locations in North America dealing with imported material, and also at several locations in the UK. In the event of any finds immediate notification should be given.

Pest profile – Emerald Ash Borer Categories: Impact publication Pest Profile    Size: 397.06 KB   display document
The Emerald Ash Borer (EAB) has been found only in North American species of Fraxinus and there are no data available on the common European species F. excelsior and F. angustifolia, although they are included as ornamental species at risk in North America. In China, the beetle colonises the Asian ash species F. mandshurica (Manchurian ash) and F. chinensis (Chinese ash). Sorbus aucuparia (mountain ash) is not attacked.

Pest profile – Green Spruce Aphid Categories: Impact publication Pest Profile    Size: 256.97 KB   display document
The green spruce aphid is a widespread pest of Sitka and other spruces in North-West Europe. In the UK it overwinters in the adult stages, and during mild winters it will continue to feed and reproduce. The greatest damage to spruce occurs after a mild winter when it can kill off the needles by sucking the trees sap. It can cause severe damage to mature trees and saplings. Under the right weather conditions it is capable of an explosive increase, but fluctuates according to the weather conditions. In Christmas tree plantations any discolouration and loss of foliage is unacceptable and would render the trees unsaleable thus it is an economic pest.

Pest profile – Horse chestnut leaf miner Categories: Impact publication Pest Profile    Size: 465.23 KB   display document
Scientific name: Cameraria ohridella Taxonomic position: Insecta: Lepidoptera: Gracillariidae Common name: Horse chestnut leaf miner Hosts: Horse chestnut Aesculus hippocastanum and other Aesculus species, but hybrid red flowering Horse chestnut Aesculus x carnea is highly resistant. Also Sycamore Acer pseudoplatanus and Norway maple A. platanoides.

Pest profile – Western Conifer Seed Bug Categories: Impact publication Pest Profile    Size: 172.94 KB   display document
The western conifer seed bug (WCSB) is regarded as an invasive forestry pest because of the damage it causes during consumption of Douglas-fir (Pseudotsuga sp.) conifer seeds and developing cones of various other species of the pine family (Pinaceae).They also feed on developing seeds and fruits of a wide variety of plants, including dogwood and sumac. Nymph feeding causes significant seed loss in commercially important crops with seed destruction rates of 80% been recorded in some nurseries. Thus, its direct economic impact is a reduction in the quality and viability of conifer seed crops.

Pest profle - Oak Jewel Beetle Categories: Impact publication Pest Profile    Size: 600.67 KB   display document


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