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Share your observations

Share your observations of plants or non-game animals with the Natural Heritage Inventory.

Rare animals
Find rare and non-game animals.
Rare plants
Learn about plants on the Natural Heritage Working List.
Rare lichens
Discover Wisconsin's lichens.
Natural communities
Explore Wisconsin's natural communities.
Other features
Discover unique resources.
Eagle license plate

Help care for rare plants and animals by ordering an Endangered Resources plate.

Contact information
For information on Wisconsin's rare animals, contact:
Rich Staffen
Conservation Biologist

Wisconsin's rare spiders

Spiders on Wisconsin's Natural Heritage Working List - last revised May 2016. These species are tracked by the Natural Heritage Inventory Program, and we welcome you to submit observations for these species.

Click on the table headings to sort the table or sort taxonomically. Choose a species from the list to explore information for that animal. See also the watch list species below.
Scientific Name Common Name Global

Watch list Spiders

Spiders on the Natural Heritage Inventory's "watch list." Watch list species have experienced, or are believed to have experienced, a statewide or range-wide decline, but are not currently tracked in the Natural Heritage Inventory (NHI) database. The watch list includes newly discovered species for which origin and rarity need to be determined, certain animals designated as Species of Greatest Conservation Need (SGCN) in the Wisconsin Wildlife Action Plan, and species that were tracked in the past but proved more abundant, widespread, or less vulnerable than previously thought. Although watch list species are not actively tracked by NHI, occurrences documented during surveys are often stored by NHI, as these species could be tracked in the future if there is further evidence of their decline.
Scientific Name Common Name Global
Araneus groenlandicola An Orb-web Spider GNR SNR S
Bathyphantes weyeri A Cave Spider G4 SU S
Marpissa grata A Jumping Spider GNR SNR S
Paradamoetas fontanus A Jumping Spider GNR SU S
Phidippus apacheanus A Jumping Spider GNR SNR S
Phidippus pius A Jumping Spider GNR SU S
Sassacus papenhoei A Jumping Spider GNR SNR S
Sphodros niger A Purse-web Spider G4G5 SNR S
Zygiella nearctica An Orbweaver Spider GNR SU S

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Last revised: Friday, August 26, 2016