Common False Black Widow Spider (Steatoda borealis) wildspecies.ca

Secure

Present in regions

Migratory species: Unknown

Taxonomic group:

Spiders

Learn more about all species of Spiders in Canada.

The General Status ranks do not have legal weight. They are meant to identify the species that may be at risk in Canada.

Access other data on this species on the NatureServe Explorer.

Common Names

English common name:

Common False Black Widow Spider

In English, species in the subfamily Latrodectinae are named "Widow Spider".

French common name:

Malmignatte boréale

In French, species in the subfamily Latrodectinae are named "Malmignatte" (feminine).

Year	English common name	French common name
2010
2015	Common False Black Widow Spider	Malmignatte boréale
2020	Common False Black Widow Spider	Malmignatte boréale

Scientific Names

Higher Classification:

Superkingdom

EUKARYOTA

Kingdom

ANIMALIA

Subkingdom

BILATERIA

Infrakingdom

PROTOSTOMIA

Superphylum

Ecdysozoa

Phylum

Arthropoda

Subphylum

Chelicerata

Class

Arachnida

Year	Scientific name	Family	Order
2010	Steatoda borealis	Theridiidae	Araneae
2015	Steatoda borealis	Theridiidae	Araneae
2020	Steatoda borealis	Theridiidae	Araneae

Priority Score

This species is not designated as may be at risk

Trends in rounded national ranks

Year	Rounded National Rank	Description of the change	Reason for change	Notes
2010	Secure
2015	Secure
2020	Secure

Original Ranks:

Canada
2010	Secure - 4
2015	Secure - N5
2020	Secure - N5

Yukon
2010	Undetermined - 5
2015	Unrankable - SU
2020	Unrankable - SU

Northwest Territories
2010	Undetermined - 5
2015	Unrankable - SU
2020	Unrankable - SU

Nunavut
2010	Not Present
2015	Not Present
2020	Not Present

British Columbia
2010	Secure - 4
2015	Secure - S5
2020	Secure - S5

Alberta
2010	Secure - 4
2015	Apparently Secure - S4S5
2020	Apparently Secure - S4S5

Saskatchewan
2010	Secure - 4
2015	Apparently Secure - S4S5
2020	Apparently Secure - S4S5

Manitoba
2010	Undetermined - 5
2015	Apparently Secure - S4S5
2020	Apparently Secure - S4S5

Ontario
2010	Secure - 4
2015	Apparently Secure - S4S5
2020	Apparently Secure - S4S5

Quebec
2010	Secure - 4
2015	Apparently Secure - S4S5
2020	Apparently Secure - S4S5

New Brunswick
2010	Undetermined - 5
2015	Unrankable - SU
2020	Unrankable - SU

Nova Scotia
2010	Undetermined - 5
2015	Unrankable - SU
2020	Unrankable - SU

Prince Edward Island
2010	Not Present
2015	Not Present
2020	Not Present

Newfoundland and Labrador
2010	Not Present
2015
2020

Labrador
2010
2015	Not Present
2020	Not Present

Newfoundland
2010
2015	Not Present
2020	Not Present

Pacific Ocean
2010	Not Present
2015	Not Present
2020	Not Present

Western Arctic Ocean
2010	Not Present
2015	Not Present
2020	Not Present

Eastern Arctic Ocean
2010	Not Present
2015	Not Present
2020	Not Present

Atlantic Ocean
2010	Not Present
2015	Not Present
2020	Not Present