Delaware Pest Watch · FallMice are moving indoors, stink bugs are on the siding, and adult deer ticks are active again. Fall checklist →

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Delaware Pest Season Calendar

When each pest is active in Delaware, month by month. Book treatment before the peak, not during it.

Swipe to see all 12 months →

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Mosquitoes
Ticks
Termites
Mice & Rats
Ants
Stink Bugs
Spotted Lanternfly
Bed Bugs
Cockroaches
Wasps & Hornets
Spiders
Fleas
Asian Longhorned Tick
Greenhead & Deer Flies
Carpenter Bees
Boxelder Bugs
Pantry Pests
Camel Crickets
PeakActiveQuiet

General guidance for Delaware; a warm spring or late fall shifts these windows.