Spiders in Ontario

Spiders found in Ontario include 35 unique species from confirmed sightings by contributing members of Spider ID. It is important to remember that spiders seen in Ontario are not bound by the territorial lines decided on by humans, therefore their distribution is subject to change. Occasionally, spiders can be found well outside of their known range due to being intentionally or accidentally transported by humans in cars, luggage, and other belongings.


35 Species Found in Ontario

Ontario Sightings
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Picture of unidentified spider Enlarge Picture
Picture of Dolomedes tenebrosus (Dark Fishing Spider) - Lateral Enlarge Picture
Picture of Dolomedes tenebrosus (Dark Fishing Spider) - Lateral Enlarge Picture
Picture of Uloborus glomosus (Feather-legged Orb-weaver) - Dorsal Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of Araneus diadematus (Cross Orb-weaver) - Dorsal Enlarge Picture
Picture of Tigrosa helluo - Dorsal,Eyes Enlarge Picture
Picture of Agelenopsis spp. (Grass Spiders) - Spiderlings Enlarge Picture
Picture of Agelenopsis spp. (Grass Spiders) - Spiderlings Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of Tegenaria domestica (Barn Funnel Weaver) - Dorsal Enlarge Picture
Picture of Tegenaria domestica (Barn Funnel Weaver) - Dorsal,Accidental adventive Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of Dysdera crocata (Woodlouse Hunter) - Dorsal Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of Araneus diadematus (Cross Orb-weaver) - Female - Ventral Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of Phidippus audax (Bold Jumper) - Dorsal Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of Araneus diadematus (Cross Orb-weaver) - Lateral Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of Pisaurina mira (Nursery Web Spider) - Dorsal Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of Araneus trifolium (Shamrock Orb-weaver) - Dorsal Enlarge Picture