Funnel Web Spider Usa 2025 Population. Funnel web spiders are fascinating creatures known for their unique web structure. There are over 400 north american species of funnel weaver spiders in the genus agelenopsis.

Funnel web spiders are medium to large in size, with a body length ranging from 1 centimetres to 5 centimetres (0.4 inches to 2 inches). Plus, they seem to like living in and around people’s.