Pest Library
Not sure what pest you found in your home, business, yard, or crawl space? Our pest library is designed to help you learn more about the insects, rodents, and other pests commonly found throughout Oregon.
Explore pest profiles to identify what they look like, where they live, what attracts them, the signs they leave behind, and when they may become a problem. Whether you are dealing with ants in the kitchen, rodents in the attic, spiders in the garage, or termites near wood structures, this guide can help you better understand the pests around you.
Identify common pests in Oregon
Common Pests
Mosquitoes
Mosquitoes are common around standing water, shaded areas, and outdoor living spaces. Learn what attracts mosquitoes, when they are most active, and how breeding sites can develop around a property.
Termites
Termites can damage wooden structures and often remain hidden until signs of activity appear. Learn how to identify termite warning signs, understand termite behavior, and recognize conditions that may attract them.
Ants
Ants are one of the most common pests found in Oregon homes and businesses. Learn how to identify different types of ants, why they enter buildings, where they nest, and what signs may point to an active infestation.
Rodents
Mice and rats often enter homes looking for food, warmth, and shelter. Discover how to spot rodent activity, identify common entry points, and understand the risks rodents can create inside a property.
Spiders
Spiders are frequently found in basements, garages, crawl spaces, and quiet corners of the home. Learn which spiders are common in Oregon, why they come indoors, and when their presence may indicate other pest activity.
Silverfish
Silverfish are moisture-loving pests often found in bathrooms, laundry rooms, basements, and storage areas. Learn what attracts silverfish, how to identify them, and why they may damage paper, fabrics, and stored items.
Stinging Insects
Wasps, hornets, and yellowjackets can build nests around homes, rooflines, decks, trees, and outdoor spaces. Learn how to identify common stinging insects in Oregon and understand when nests may become a concern.
Browse other pest in Oregon
Other Pests
Bed Bugs
Bed bugs are small, hard-to-spot pests that often hide near beds, furniture, and personal belongings. Learn how to identify bed bugs, recognize bite patterns, and spot early signs of an infestation.
Carpet Beetles
Carpet beetles can damage fabrics, rugs, clothing, upholstery, and stored textiles. Learn what carpet beetles look like, where their larvae hide, and how to identify the damage they leave behind.
Cockroaches
Cockroaches are resilient pests that can contaminate food, hide in tight spaces, and reproduce quickly. Learn how to identify cockroach activity, where they commonly hide, and what attracts them indoors.
Fleas & Ticks
Fleas and ticks can affect people, pets, and outdoor areas around the home. Learn how these pests spread, where they are commonly found, and what signs may indicate activity on your property.
Wood-boring Beetles
Wood-boring beetles can leave small holes, powdery frass, and damage in wood surfaces. Learn how to identify signs of wood-boring beetles and how they differ from termites and carpenter ants.
Identify Pests By Sign
Not Sure What Pest You Have?
Sometimes the easiest way to identify a pest is by the evidence it leaves behind. Use these common warning signs to narrow down what may be active in your home or property.
Small Droppings
Small dark droppings may be a sign of rodents, cockroaches, or other indoor pests. The size, shape, and location of droppings can help identify the pest.
Sawdust or Wood Shavings
Sawdust-like material near wood, baseboards, windows, or crawl spaces may point to carpenter ants, termites, or wood-boring beetles.
Bites or Skin Irritation
Bites that appear after sleeping or spending time near pets may be linked to bed bugs, fleas, mosquitoes, or ticks.
Webs in Corners
Webs in garages, basements, attics, and storage areas are usually signs of spider activity and may also indicate other insects are present.
Chewed Wires, Insulation, or Packaging
Gnaw marks, shredded material, and scratching noises may suggest rodent activity inside walls, attics, crawl spaces, or storage areas.
Mud Tubes or Damaged Wood
Mud tubes, hollow-sounding wood, or damaged structural areas may be signs of termite activity and should be inspected carefully.
Pests By Area of the Home
Sometimes the easiest way to identify a pest is by the evidence it leaves behind. Use these common warning signs to narrow down what may be active in your home or property.
Kitchen Pests
Ants, cockroaches, rodents, pantry pests, and flies are commonly found in kitchens because of food, moisture, and shelter.
Bathroom Pests
Silverfish, ants, spiders, drain flies, and moisture-loving pests may appear in bathrooms, laundry rooms, and other damp areas.
Bedroom Pests
Bed bugs, fleas, carpet beetles, and spiders are some of the pests that may be found in bedrooms, closets, mattresses, and furniture.
Attic and Crawl Space Pests
Rodents, spiders, termites, ants, and occasional invaders may use attics and crawl spaces for nesting, shelter, or access into the home.
Garage and Storage Pests
Spiders, rodents, beetles, ants, and silverfish are often found in garages, sheds, boxes, and stored belongings.
Yard and Outdoor Pests
Mosquitoes, ticks, fleas, ants, wasps, hornets, and other outdoor pests may become active around lawns, landscaping, decks, and patios.
Need help identifying pests?
Learn What’s Invading Your Space
If you are unsure what pest you have, our pest library can help you compare common signs, pest appearances, seasonal activity, and areas where pests are often found. Browse the pest profiles above to learn more about the pests commonly found in Oregon homes and properties.
Oregon Pest Season Guide
Sometimes the easiest way to identify a pest is by the evidence it leaves behind. Use these common warning signs to narrow down what may be active in your home or property.
Spring
Spring often brings increased ant activity, termite swarms, spiders, and early stinging insect nesting.
Summer
Mosquitoes, fleas, ticks, wasps, hornets, ants, and outdoor pests are often more active during warmer months.
Fall
Rodents, spiders, stink bugs, and overwintering pests may begin moving indoors as temperatures drop.
Winter
Rodents, cockroaches, silverfish, and indoor pests may remain active inside homes, crawl spaces, basements, and commercial buildings.
Commonly Confused Pests
Carpenter Ants vs. Termites
Both pests can be associated with wood damage, but their appearance, behavior, and warning signs are different.
Mice vs. Rats
Mice and rats leave different droppings, tracks, entry points, and nesting patterns.
Bed Bugs vs. Fleas
Both pests can bite, but they live in different places and leave different signs behind.
Carpet Beetles vs. Bed Bugs
Carpet beetles can be mistaken for bed bugs, but they feed on fabrics and materials rather than blood.
Frequently Asked Questions
Ready to get rid of pests for good?
