Curious Behavior • Excellent Vision • Common Indoors

Jumping Spider – Connecticut Identification & Indoor Sightings Guide:

Jumping spiders are one of the most active and visually distinctive spiders found in Connecticut. With excellent eyesight and a curious personality, they are commonly seen on walls, ceilings, window sills, and siding.

Identification:

• Size: ⅛–½ inch
• Color: Black, brown, gray, sometimes iridescent
• Eyes: Large front eyes, giving “cute” appearance
• Movement: Short, fast jumps
• Body: Compact and fuzzy

Connecticut has dozens of jumping spider species.

Behavior & Habitat:

Jumping spiders:

• Hunt insects instead of building webs
• Are active during the day
• Prefer sunny window areas
• Often jump toward movement out of curiosity

They prey on flies, gnats, ants, and small insects.

Why They Enter Connecticut Homes:

• Abundant prey
• Indoor warmth
• Sunlit areas
• Cracks around windows

They are harmless and prefer to hide when approached.

Are Jumping Spiders Dangerous?

No.
They rarely bite, and their venom is not medically significant.

When to Call a Professional:

If jumping spiders appear frequently indoors, another pest may be attracting them.

• Spider Control CT 
• Wolf Spider Page 
• Pest Prevention