Spring Seasonal Pests
Insects Active in Spring in New England
Insects and Pest Activity Ramps Up as Temperatures Rise
As temperatures begin to climb and moisture increases, spring becomes the starting point for significant pest activity throughout Massachusetts. Pests that have overwintered become active, begin to swarm, and start nesting—making this a critical time for homeowners to prepare.
Common Spring Pests and Where They Thrive
Ants
As the ground thaws and moisture builds up, ants become increasingly active. They may invade basements, kitchens, or areas around leaking windows and skylights. Carpenter ants, in particular, are drawn to moisture and will often nest in damp wood.
Termites
Spring marks swarming season for termites, especially in areas with rising groundwater and damp soil. Termites seek out wood sources and can remain unnoticed for long periods, causing structural damage before signs become visible.
Carpenter Bees
Carpenter bees emerge in spring to pollinate and build nests. Look for perfectly round, half-inch holes in garages, eaves, and decks—usually accompanied by fine sawdust and pollen. These bees can return to the same location year after year if not addressed.
Ticks
Ticks become active when temperatures consistently rise above 40°F. While most active in summer, ticks begin to emerge in spring and may be found in tall grass, wooded areas, and even residential backyards.
Mosquitoes
Though mosquitoes peak in summer, they are active from spring through fall. Massachusetts residents may notice increased mosquito activity starting as early as April—especially in areas with standing water from snowmelt or early rains.
Key Conditions That Attract Spring Pests
- Moisture buildup in basements, crawl spaces, or foundation walls
- Leaky roofs, windows, and skylights that soften wood for nesting
- Unaddressed standing water from snowmelt or spring rain
- Dense shrubs and untrimmed vegetation, ideal for ticks and mosquitoes
- Untreated wooden structures that appeal to termites and carpenter bees

