Pure Guard Pest Control PURE GUARD PEST CONTROL

Field notes

Pest control,
explained.

We write these to answer the questions we hear on calls: what's actually crawling around homes in Lake Stevens and the rest of Snohomish County, and what to do about it.

Close-up of a mosquito perched on a leaf
Mosquitoes June 14, 2026

Why You Have Mosquitoes in the Pacific Northwest (and How to Cut Them Down)

We're supposed to be too cool and wet for mosquitoes, so why is your backyard unusable in July? Here's what's breeding them and how to take the yard back.

Read the guide
A house spider in its web in the corner of a wooden structure
Spiders June 13, 2026

Spiders in Pacific Northwest Homes: Which Ones Actually Matter

Hobo spider, giant house spider, or something harmless? Here's what's really crawling around PNW homes, whether it's dangerous, and how to keep them out.

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Close-up macro photo of a black carpenter ant on weathered wood
Ants June 10, 2026

Carpenter Ants vs. Sugar Ants: How to Tell What's in Your Kitchen

The two ants we get the most calls about in Lake Stevens look similar but mean very different things. Here's how to tell them apart and what each one is really after.

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Paper wasps on an open umbrella-shaped paper nest against a wall
Wasps & Bees June 3, 2026

Yellow Jackets, Paper Wasps, or Honeybees? Know Before You Spray

Not everything buzzing around your eaves should be treated the same way. Here's how to tell wasps from honeybees, and why one of them you should leave alone.

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Macro close-up of a fly resting on a weathered surface
Flies May 28, 2026

Cluster Flies, Fruit Flies, Drain Flies: Why They Keep Coming Back

Three completely different flies, three completely different fixes. Here's how to tell which one you've got and why swatting them never solves it.

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Close-up of a wild brown rat (Norway rat) foraging on the ground
Rodents May 20, 2026

Why Rats Get Into Snohomish County Homes Every Fall

When the weather turns, rats start looking for somewhere warm and dry. Here's how they get into Lake Stevens homes, and how to close the door before they do.

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Empty commercial kitchen with stainless steel surfaces and subway tile
Commercial May 12, 2026

What Health Inspectors Look For: Pest Control for PNW Restaurants

In food service, a pest sighting isn't just embarrassing, it's a health-code problem. Here's what inspectors check and what a real commercial pest program covers.

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Got something you can't identify?

Send us a photo and we'll tell you what it is and whether it's worth treating. If it is, we'll have someone out within 48 hours.

Call today

(425) 332-6566

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