Southern NJ

Ants and Spiders in Southern New Jersey

A Regional Overview

Southern New Jersey spanning Camden, Gloucester, Burlington, Atlantic, Cumberland, and Cape May counties  provides ideal conditions for several ant and spider species to thrive. With humid summers, wooded neighborhoods, older homes, and coastal weather patterns, residents frequently deal with seasonal pest activity both inside and outside the home.

Ants and spiders are among the most consistently encountered household pests in the region, with activity rising when warm, moist conditions support population growth.

Why Ants Are a Common Issue in Southern New Jersey

1. Warm, Humid Summers Boost Ant Populations

Ant colonies expand rapidly during hot, humid summer months — a climate Southern NJ experiences every year.

  • Moisture encourages foraging activity.

  • Rainstorms can flood colonies, sending ants into homes seeking higher ground.

  • Long warm seasons allow colonies to grow to large sizes.

2. Abundant Food Sources Around Homes

Suburban neighborhoods, parks, and wooded yards provide plentiful food.

  • Open trash containers, pet food, and kitchen crumbs attract several ant species.

  • Carpenter ants target damp or decaying wood, making older or moisture-prone homes especially vulnerable.

3. Common Ant Species in Southern NJ

  • Odorous House Ants: Persistent indoor invaders attracted to sweets and moisture.

  • Carpenter Ants: Infest damp or rotting wood and can cause structural damage.

  • Pavement Ants: Nest along driveways, walkways, and foundations.

  • Argentine Ants (localized areas): Form large colonies and invade kitchens and pantries.

4. Weather Patterns Drive Ant Intrusion

  • Heavy rain forces ants indoors.

  • Heat waves increase foraging activity.

  • Early spring warmth triggers early colony expansion.

Ants Photo

Why Spiders Are a Common Issue in Southern New Jersey

1. Wooded Landscapes and Older Homes Provide Ideal Habitat

Southern New Jersey’s mix of forests, older structures, and shaded yards supports large spider populations.
Spiders are drawn to:

  • Basements

  • Garages

  • Eaves and corners

  • Sheds and crawlspaces

  • Vegetation-heavy yards

2. Spiders Thrive in the Same Conditions Favored by Other Pests

Spiders follow prey.
Where there are mosquitoes, flies, ants, and other insects — spiders thrive.
Humid summers and warm autumns increase overall insect activity, drawing spiders toward and inside homes.

3. Common Spider Species in Southern NJ

  • Common House Spider: Frequently found in basements, garages, and corners.

  • Wolf Spider: Large, fast-moving ground hunters; often seen in basements and garages.

  • Orb Weavers: Build large webs near porches and outdoor vegetation.

  • Yellow Sac Spider: Sometimes enters homes and may bite if disturbed.

  • Cellar Spiders (“Daddy Longlegs”): Found in crawlspaces and basements, feeding on small insects.

4. Weather Patterns Influence Spider Activity

  • Warm, humid summers increase insect populations, drawing more spiders indoors.

  • Cool fall temperatures send spiders seeking sheltered overwintering sites.

  • Heavy rainfall drives insects toward structures, followed by the spiders that feed on them.

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