Woodworm beetle 3 – House Longhorn beetle. Often found in roof timbers, it only infects softwoods and burrows through the sapwood extensively. Infestations mostly in area around Surrey and SW London, where the Building Regulations stipulate treatment of timber intended to prevent the further spread of the insect. The House Longhorn Beetle (Hylotrupes bajulus) is rarely found outside of SE England and can cause significant structural weakening and even collapse of timbers. Regulations - 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. 2B2 In the geographical areas specified in T able 1, softwood timber for roof construction or fixed in the roof space, including ceiling joists within the void spaces of the roof, should be adequately treated to prevent infestation by the house longhorn beetle (Hylotrupes bajulus L.). The House Longhorn beetle was a particular problem in the UK prior to the introduction of pretreated timber in the 1960s. SG Building Services Domestic; SG Building Services Non-domestic; SG Domestic Ventilation Guide; Part A; Section 2B Sizes of certain timber members in floors and roofs for dwellings. Areas at risk from house longhorn beetle Infestations may be recognised by oval, 6mm to 10mm oval, often ragged emergence holes. Most longhorn larvae are wood-borers of deciduous and coniferous wood. Found in sapwood of most softwood.

Originating in Europe, the House Longhorn woodworm beetle is now found around the world. Preliminary results of a new BRE survey indicate that most infestations are still within the area where protective treatment of roof timbers is mandatory under the Building Regulations. Life Cycle. House longhorn beetle. A small number of species like Phytoecia and … The main characteristic of infestation is that there are very … Very occasionally found in softwood plywood. The majority of the timber degeneration comes from the larvae of the beetle (hence woodworm). House Longhorn Beetle – Hylotrupes bajulus. HOUSE LONGHORN SUMMARY OF CHARACTERISTICS. Home; About us; Advertising; App contents; News; Documents; Part A. The House Longhorn beetle measures up to 25 mm long when mature, and can lay up to 200 eggs on the rough surface of untreated timber. General: Sapwood of most softwoods, particularly roofing timbers. The adult beetles do, however, cause all the visual damage as they bore exit holes in the timbers. Solid timber: At present common only in areas of England, SW of London (mainly Surrey) where special Building Regulations exist to protect structural timber and prevent further spread. Approved Document A makes reference to a notorious beetle called the House Longhorn Beetle and requires specific protection if building work is being carried out in the Surrey area (see Table 1 below). Can be filiform or serrate. Long antennae, sometimes longer than the beetle (musk beetle), although some have very short antennae (Rhagium spp.).
Areas at risk from house longhorn beetle; Section 2B Sizes of certain timber members in floors and roofs for dwellings. How to spot it Next Beetle >> Habitat. House longhorn beetle House longhorn beetle ( Hylotrupes bajulus ) is a major cause of damage to softwood building timbers throughout central and southern Europe. In the UK, significant damage is confined in the main to roof timbers and distribution is concentrated in a particular area to … Regulations - 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. Where do House longhorn beetles live? Areas at risk from house longhorn beetle The feet (tarsi) have five segments but in most species the fourth segment is hidden. Very occasionally found in softwood plywood. SG Building Services Domestic; SG Building Services Non-domestic; SG Domestic Ventilation Guide; Part A; Section 2B Sizes of certain timber members in floors and roofs for dwellings.
Areas at risk from house longhorn beetle; Section 2B Sizes of certain timber members in floors and roofs for dwellings. Areas at risk from house longhorn beetle 12 Sizing of members 12 House longhorn beetle 12 Section 2C: Thickness of walls in certain small buildings 13 Application 13 Wall types 13 The use of this section 13 Conditions relating to the building of which the wall forms part 13 Thickness of walls 14 Conditions relating to the wall 17 PAGE The woodworm larvae usually matures in the spring and the mature adults then cut holes 6-10mm in diameter to exit the wood. Areas at risk from house longhorn beetle 17 Sizing of members 17 House longhorn beetle 17 Section 2C: Thickness of walls in certain small buildings 18 Application 18 ... Building Regulations are made for specific purposes, primarily the health and safety, welfare and convenience of … As with most woodworm, it is not actually the beetle itself that causes most of the damage. Habitat in buildings - sapwood of most softwoods, particularly roofing timbers.


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