House Longhorn Beetle Treatment

Kill House Longhorn Beetle - fast acting Ultra Timber Paste

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Kill House Longhorn Beetle Treatment - use rapid acting Ultra Timber Paste - for free advice call 01626 331351

Ultra Timber Paste is a deep penetrating, fast acting creamy paste 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 attack - holes are large and oval, treatment is required urgently due to its huge appetite for wood

House Longhorn holes - serious damage.

Fast acting, but rare, its requires urgent treatment.


Kill House Longhorn Beetle - Hylotrupes bajulus - this requires deep penetration by fast acting injection paste.

Click here for treatment prices and to buy - Ultra Timber Paste - 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 Ultra Timber Paste. The holes can be capped with dowels, wood filler or plastic plugs.

Then finish with a surface treatment of either Boron Ultra Gel at 20%, or Boron Ultra 12 liquid at the 10% or higher concentration.

Check regularly for 'munching' sounds and re-inject active areas with Ultra Timber Paste

Injectors are also available for those who prefer to inject the Ultra Timber Paste directly from the nozzle, rather than using an extension tube and having to gradually withdraw the tube during the process. Call us on 01626 331351 to discuss this option.

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.

House Longhorn Beetle - the grub and the adult insect. It is a very fast eater!

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

NOTE - House Longhorn always requires injection of Ultra Timber Paste, as well as surface treatment (see below).

1. BORON ULTRA 12 - Surface Treatment

A unique powder concentrate, ready to dissolve 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. The powder can be dissolved in water in two main concentrations, depending on the intended use;

Concentration - 1 kg of powder dissolves in 10 litres of water, for House Longhorn Beetle treatment.

or, you can purchase a ready mixed product;

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Ready to Use - 5 litres or 25 litres of Boron Ultra 12 - already dissolved in water, for House Longhorn Beetle surface treatment.

Click here for treatment prices and to buy - Boron Ultra 12

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Powder is also available in 2.5kg packs - makes 25 litres for House Longhorn Beetle Treatments

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 Ultra 12

Click here to view the product, check the prices or Order from our Woodworm Treatment Shop


2. ECOBOR ULTRA GEL 20 - extra Surface Treatment for protection of undamaged timber

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 Ultra 12 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 Ultra 12

Click here to view the product, check the prices or Order from our Woodworm Treatment Shop


3. ULTRA TIMBER PASTE - Deep Injected Treatment - essential for rapid House Longhorn Beetle eradication

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 - Ultra Timber Paste

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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