Woodworm treatments against Deathwatch Beetle, Common Furniture Beetle, House Longhorn Beetle,  Wood Boring Weevils and many other pests.
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House  Longhorn Beetle   -  Hylotrupes bajulus 

The lifecycle of a
wood boring insect
 

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Habitat:
Longhorn Beetle
Damage characteristics:
Longhorn Beetle Damage Characteristics

General Sapwood of most softwoods, particularly roofing timbers.

Solid timber At present common only in area of England SW of London (mainly Surrey) where special Building Regulations exist to protect structural timber and prevent further spread. Small inactive infestations are common in buildings over 100 years old in London. Isolated infestations in other parts of country usually stem from imported infested packing cases.

Panel products Very occasionally found in softwood plywood.

 

General May be overlooked in early stages. With large infestations, larval feeding may be audible on warm days as scraping noise.

Emergence holes Few, large, oval, often ragged, 6 - 10 mm diameter.

Tunnels Oval, 6 - 10 mm diameter. Extensive and join up to cause almost complete disintegration of sapwood but leaving thin, intact, surface skin. Dust-filled tunnels may cause blisters or corrugations on surface of wood which may be observed with oblique lighting from torch.

Bore dust Cream-coloured, sausage-shaped pellets. Gritty when rubbed between fingers. Small chips and wood fibres may be present.

Likely misidentifications Forest longhorn beetle, jewel beetle, wharf borer beetle, wood wasp, Tenebrionid beetle, Bostrychid powderpost beetle.

Remedial treatment Organic solvent or paste. Inspect thoroughly and remove powdered material to determine extent of infestation and any signs of structural weakening. Remove and burn all badly-damaged timber. NOTE: details of suspected outbreaks should be reported to the Building Research Establishment's Timber Division which maintains records of infestations in the UK.
Lonhorn Beetle Adult
Appearance
Lonhorn Beetle Larva
Larva
 
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