A Douglas-fir tussock moth larva. (THE CANADIAN PRESS/HO-Ministry of Forests, Lands, Natural Resource Operations and Rural Development)

Tussock moth infestation in Cariboo is farthest north ever recorded in B.C.

Moth, which can quickly kill Douglas fir trees, spotted south of Alkali Lake

An insect infestation that has the ability to quickly kill healthy Douglas fir trees is on the move in B.C., and the province says it’s been found farther north than ever before.

A statement from the Ministry of Forests says an infestation of tussock moth has been found in trees in the western Cariboo, just south of the community of Alkali Lake.

The pest, which during a severe infestation can kill a large Douglas fir in just one to two years, is usually found in more southern parts of the province, such as Kamloops and the Okanagan.

Tussock moth caterpillars feed on the needles of the Douglas fir, stripping limbs, which appear scorched as they die, and trees weakened by the moth are more susceptible to beetle attacks.

Hairs on the moth caterpillars can also pose a human health risk because the ministry says the hairs can cause allergic reactions in about 20 per cent of people, producing rashes, watery eyes and sneezing.

In an effort to slow the spread of the moth, the ministry says firewood should not be taken from the Wycotte Flat area south of Alkali Lake.

“Tree limbs are particularly infectious, as they may contain eggs,” the ministry statement says.

READ MORE: Cariboo lakes confirmed clear of invasive mussels after testing

Caterpillars, which can be recognized by two long, black tufts on each side of their head and another at the rear, hatch in late spring and develop into moths from late July to early September.

Female moths lay approximately 200 eggs each, which hatch the following spring and the ministry says outbreaks typically last two to four years.

Ministry officials are assessing the affected area and the statement says a treatment plan will begin when the caterpillars re-emerge next spring.

The Canadian Press

Like us on Facebook and follow us on Twitter

Get local stories you won't find anywhere else right to your inbox.
Sign up here

Just Posted

Interior Health leading the way with innovative therapy for stroke patients

Percentage of ischemic stroke patients who received treatment has risen dramatically

Interior Health issues drug alert in Cranbrook, warns of MDMA overdoses

There have been recent reports of multiple overdoses with severe outcomes in Cranbrook.

From the Peanuts gallery

PCSS presents What’s It All About, Charlie Brown?

Kootenay-Columbia MP urges end to ‘illegal roadblocks’ in solidarity with pipeline dispute

Rob Morrison says protestors across Canada need to remove roadblocks on roads, rail lines

New ‘hub’ model takes regional approach to doctor recruitment in West Kootenay

Kootenay-Boundary a provincial leader in effectively attracting doctors to work here

Fashion Fridays: Tammy’s big makeover

Kim XO, helps to keep you looking good on Fashion Fridays on the Black Press Media Network

Ryan nets hat trick in return as Senators beat Canucks 5-2

Ottawa winger received assistance for admitted alcohol problem

Wet’suwet’en hereditary chiefs meet with provincial, federal ministers

Neither party speaking on the groundwork laid for tomorrow’s talks

Speaker ‘will not tolerate illegal activity’ on B.C. legislature grounds, says chief of staff

Chief of staff to the B.C. speaker Alan Mullen says situation with demonstrators appears ‘fluid’

MPs to examine privacy implications of facial-recognition technology used by RCMP

The MPs will look at how the technology affects the privacy, security and safety of children

Dates back to 2009: Calgary police lay charges in fraud involving semi-trucks

Three people from Calgary are facing charges that include fraud over $5,000

Wet’suwet’en hereditary chiefs optimistic ahead of talks with feds, province

Discussions with provincial and federal governments expected to start later today

‘The project is proceeding’: Horgan resolute in support of northern B.C. pipeline

B.C. premier speaks as talks scheduled with Wet’suwet’en hereditary chiefs

Most Read