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Autumn invaders: identification, treatment and cost

Lady beetles, boxelder bugs, stink bugs and other insects that gather on sunny walls and overwinter indoors. 9 guides, sourced to extension services and public records.

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Porch light glowing on a house wall at nightAutumn invaders

Why Are Moths Attracted to Light? What the Research Now Says

Moths are not drawn to lamps the way we thought. A 2024 flight tracking study shows a back tilting reflex traps them, and bulb trials show...

October 14, 2026Stone farmhouse in Pennsylvania in autumn colourAutumn invaders

Common House Bugs in Pennsylvania, Season by Season

Stink bugs, lady beetles, boxelder bugs, cluster flies, carpenter ants, termites and house centipedes: Pennsylvania's house bugs, season by season.

October 8, 2026Snow piled outside a sunny house wall under a blue skyAutumn invaders

Bugs in the House in Winter: Where They Come From

Lady beetles, stink bugs and cluster flies overwinter in your walls and do not breed indoors; cockroaches, pantry pests and bed bugs do. How to tell...

October 8, 2026Sunlit pale clapboard wall on the south face of a house in strong low autumn lightAutumn invaders

Asian Lady Beetles: The Ladybugs That Bite and Stain

They bite, their defensive fluid stains permanently, and they are a documented seasonal indoor allergen. The M mark on the white pronotum is the identification.

October 1, 2026Painted window sill and frame inside a house with bright morning light and a lawn beyondAutumn invaders

Clover Mites: The Red Specks That Are Not Biting You

Under a millimetre, plant feeders, and the red smear is their own pigment rather than blood. A plant-free band at the foundation is the treatment.

September 29, 2026Sunlit pale stucco wall on the south side of a house in autumn with bare branch shadowsAutumn invaders

Boxelder Bugs: Why They Cover the Wall Every Autumn

They do not bite, breed indoors or damage anything. They breed on female boxelder trees, and exclusion before the first cold snap is the only real...

September 29, 2026Dim unfinished basement corner with exposed joists, a cardboard box and a damp concrete floorAutumn invaders

House Cricket or Camel Cricket? The Silent One Explained

Camel crickets are wingless, humpbacked and silent, and in a continental survey 88 per cent of households sending in a specimen had the Asian species rather...

September 19, 2026Large mature tree shading a front lawn on a quiet suburban street in late summerAutumn invaders

Spotted Lanternfly: Should You Pay Anyone to Treat It?

Penn State says not every tree needs treating and insecticide will not stop more arriving. Ohio went statewide in February 2026. The real choice is pest...

September 14, 2026Homeowner on a ladder applying sealant around a window frame in late summer to exclude overwintering pestsAutumn invaders

Stink Bugs and Fall Invaders: Why Timing Is the Treatment

Once overwintering pests are in your walls there is no effective treatment. The whole solution is exclusion in late summer, before they enter.

August 29, 2026