Spiders are most active in Ontario from late spring to early fall. Not only are they more visible, but their presence is often felt through the nearly invisible webs they spin. There aren’t too many dangerous spiders in Ontario, the most deadly being the western black widow, feared for its potent venom.
Spiders in Ontario Identification Chart
Common Spiders in Ontario
Biggest Spiders in Ontario
Deadliest Spiders in Ontario
Most Venomous Spiders
Comb-footed Spiders
Sac Spiders
Funnel Weaver Spiders
Hobo (Eratigena agrestis) - The Hobo spider is different from the Australian funnel-web, even though they both belong to the funnel-web spider group. With various scientific names like Philoica agrestis and Tegenaria rhaetica, these spiders can be found in Europe, Central Asia, and North America.… Continue Reading >
Ground Spiders
Less Venomous Spiders
Orb-weaver Spiders
Wolf Spiders
- Sand Bear Wolf Spider (Arctosa perita)
Hacklemesh Weaver Spiders
Crab Spiders
- Utah Crab Spider (Bassaniana utahensis)
Nursery Web Spiders
- American Nursery Web Spider (Pisaurina mira)
Funnel Weaver Spiders
Jumping Spider
- Common Hentz Jumper Spider (Hentzia palmarum)
Comb-footed Spiders
Intertidal Spiders
Hackled Orb-weaver Spiders
- Feather-legged Orb-weaver Spider (Uloborus glomosus)
Woodlouse Hunter Spiders
Purse-web Spiders