Kill House Longhorn Beetle Treatment - use rapid acting Lignum Pro Gel - for free advice call 01626 872886
Lignum Pro Gel is a deep penetrating, fast acting creamy Gel used to kill House Longhorn Beetles inside wood in buildings.
It can be injected directly into holes, or via Timber Injectors, or applied by brush to the surface.
House Longhorn Beetle treatment must ALWAYS include injection if it is to be effective, because the insects eat wood at an incredible speed.
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House Longhorn holes - serious damage.
Fast acting, but rare, its requires urgent treatment.
Usage rate - use our chart of hole spacing for various timber sizes as a guide, or call us on 01626 872886 and we'll calculate your exact requirements. (Hole Spacing Guide - click here to download)
Kill House Longhorn Beetle - Hylotrupes bajulus - this requires deep penetration by fast acting injection Gel.
Click here for treatment prices and to buy - Lignum Pro Gel - to kill House Longhorn Beetle inside timbers.
In the UK House Longhorn Beetle used to be a Legally Notifiable Insect (being mainly confined to Europe at present) and should not be treated without the prior involvement of a qualified Specialist. We can offer that Specialist assistance, having two qualified members of Staff, David and Angela.
House Longhorn beetle causes potentially serious damage to softwood roofing timbers within a specific area of south-east England. 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. However, scattered infestations were still found in Greater London, Kent, Sussex and Hampshire. Properties built during the 1920s and 1930s were most commonly reported as infested. There have been no reports of infestations in roof timbers treated in compliance with the Regulations.
House Longhorn Beetle requires more than surface treatment to eradicate an attack, because the insects have a long life cycle and rarely visit the surface of the timber. Treatment of 'normal' woodworm (Anobium punctatum) consists of surface treatment, by brush or spray, which breaks the egg laying cycle. Because their life cycle is short (up to 5 years) and their holes are considerably smaller than House Longhorn Beetle, it is considered sufficient to treat the surfaces of the timber only - for House Longhorn Beetle this will not be effective.
So, a House Longhorn Beetle treatment must incorporate two additional features - internal injection treatment and weekly inspection.
Firstly, remove all loose material by brush and vacuum and ensure that the timber will absorb moisture. No surface treatment will penetrate varnish or paint. Next, drill injection holes in the 'active' damaged areas - test for these using a hammer first, listening for hollowness and then drill test holes. If in doubt call us - we can recommend a local professional company, if necessary.
The holes need to be blown or vacuumed out and then injected with Lignum Pro Gel . The holes can be capped with dowels, wood filler or plastic plugs.
Then finish with a surface treatment of either Boron Ecobor 20 Brushing Gel at 20%, or Boron Boracol liquid at the 10% or higher concentration.
Check regularly for 'munching' sounds and re-inject active areas with Lignum Pro Gel
Injectors are also available for those who prefer to inject the Lignum Pro Gel directly from the nozzle, rather than using an extension tube and having to gradually withdraw the tube during the process. Call us on 01626 872886 to discuss this option.
Usage rate - use our chart of hole spacing for various timber sizes as a guide, or call us on 01626 872886 and we'll calculate your exact requirements. (Hole Spacing Guide - click here to download)
Click here to view the product, check the prices or Order from our Woodworm Treatment Shop
SUMMARY OF HOUSE LONGHORN BEETLE CHARACTERISTICS
Habitat in buildings - Sapwood of most softwoods, particularly roofing timbers. Very occasionally found in softwood plywood.
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. Small inactive infestations are common in buildings over 100 years old in London.
Special Features - 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.
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HOUSE LONGHORN BEETLE TREATMENTS
For Professional Users only.
NOTE - House Longhorn always requires injection of Lignum Pro Gel , as well as surface treatment (see below).
1. Boron Boracol - Surface Treatment
A unique product in water, designed to treat timber by brush, roller or spray. It avoids the hazard problems of many liquid preservatives by using only water as a carrier. It can also be used in most situations to replace other less ‘friendly’ contact type insecticides, including Permethrin.
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Ready to Use - 5 litres or 25 litres of Boron Boracol - already dissolved in water, for House Longhorn Beetle surface treatment.
Click here for treatment prices and to buy - Boron Boracol
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Typical consumption rates - 2 timber floors, terraced house - 25 litres, or a roof, terraced house - 50 litres
How many litres will you need - click for more info.
Always follow the instructions on the product label, wear a dust mask when mixing and check with us before purchasing to ensure that you are buying the correct product.
Click here for treatment prices and to buy - Boron Boracol
Click here to view the product, check the prices or Order from our Woodworm Treatment Shop
2. Boron Ecobor 20 Gel - - extra Surface Treatment for protection of undamaged timber
For Professional Users only.
A extra heavy duty 20% active clear Gel ideal for end grain and bearing area treatment of beams and joists. Add to surface treatment with Boron Boracol in damp or heavily attacked areas. Also useful for medium to heavy active infestations of insect attack and treatment of new timbers for use in vulnerable areas (e.g. skirting boards).
Click here for treatment prices and to buy - Boron Ecobor 20 Brushing Gel
Click here to view the product, check the prices or Order from our Woodworm Treatment Shop
3. Lignum Pro Gel - Deep Injected Treatment - essential for rapid House Longhorn Beetle eradication
For Professional Users only.
An essential treatment for House Longhorn Beetle - Permethrin in an emulsion cream base. Has some odour and solvent. Do not use in buildings in proximity to fish or birds. Essential for deep seated active voracious House Longhorn Beetle, where the rate of destruction is too high and the moisture content of the wood is too low to spread the Boron based pastes fast enough to be effective.
Click here for treatment prices and to buy - Lignum Pro Gel
Usage rate - use our chart of hole spacing for various timber sizes as a guide, or call us on 01626 872886 and we'll calculate your exact requirements. (Hole Spacing Guide - click here to download)
Click here to view the product, check the prices or Order from our Woodworm Treatment Shop
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Site written by: David Moore
David Moore, B.A. (Hons.), C.T.I.S., C.R.D.S. Technical Author
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