Pest Library
Know Your Enemy
The Northwoods is beautiful — but it comes with pests. Learn about the species most likely to invade your lake home or cabin, and how K2 stops them.
Call for a Free EstimateHigh Threat Pests
— structural damage, health risks, or severe infestations
Carpenter Ants
The #1 structural threat to Northwoods homes
Large black ants that tunnel through wood to nest, causing serious structural damage to cabins and lake homes.
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Cluster Flies
Fall invaders that overwinter by the thousands
Enter homes in late summer and fall to overwinter in wall voids and attics, emerging in massive numbers.
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Mice
A year-round threat to cabins and lake homes
Chew wiring, contaminate food, and carry disease. Seasonal cabins are especially vulnerable.
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Wasps & Yellow Jackets
Aggressive stinging insects near decks and eaves
Paper wasps and yellow jackets nest in and around structures, posing a serious sting hazard.
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Ticks
Lyme disease carriers in the Northwoods
Deer ticks are the primary vector for Lyme disease, which is endemic in Wisconsin Northwoods counties.
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Mosquitoes
The Northwoods nuisance that keeps you indoors
Intense populations around lakes and wetlands. Vectors for West Nile virus and a major outdoor nuisance.
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Bed Bugs
Hitchhiking parasites in mattresses and furniture
Expert hitchhikers that infest sleeping areas. A growing problem in vacation rentals and lake homes.
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Cockroaches
Resilient disease-spreaders in kitchens and baths
Contaminate food and surfaces, trigger allergies, and are notoriously resistant to DIY treatments.
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Powder Post Beetles
Silent wood destroyers that reduce lumber to powder
Larvae tunnel through hardwood and softwood for years before exit holes reveal the damage.
Learn MoreWood Boring Insects
Structural destroyers attacking trees and timbers
Emerald ash borers, longhorned beetles, and bark beetles attack trees and structural wood.
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Fleas
Persistent parasites that infest pets and carpets
Introduced by pets or wildlife. Escalate quickly and require treating the pet, home, and yard simultaneously.
Learn MoreModerate Threat Pests
— nuisance pests and indicators of other problems
Ants
Persistent invaders of kitchens and decks
Pavement ants, odorous house ants, and field ants invade Northwoods homes in search of food and moisture.
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Spiders
Common in cabins, basements & crawl spaces
Large infestations are a sign of other pest activity. Wolf spiders and cellar spiders are most common.
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Asian Lady Beetles
Fall invaders that cluster indoors by the hundreds
Invade homes in fall to overwinter, emit a foul odor when disturbed, and return year after year.
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Centipedes
Fast-moving predators in basements and crawl spaces
Thrive in damp environments. Their presence signals moisture problems and other insect activity.
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Earwigs
Moisture-loving invaders of basements and gardens
Migrate indoors in summer and fall seeking cool, damp conditions. Destructive to gardens and plants.
Learn MoreSeeing Any of These Around Your Property?
Don't wait — most pest problems get worse with time. Call K2 for a free estimate and same-week service across the Northwoods.
(715) 891-2501 — Call Now