Western Black Widow Spider
Latrodectus hesperus
Species code GS011301
General Status in Canada
Secure
Present in regions
Migratory species: Unknown
Taxonomic group:
SpidersLearn 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:
Western Black Widow Spider
In English, species in the subfamily Latrodectinae are named "Widow Spider".
French common name:
Malmignatte de l'Ouest
| Year | English common name | French common name |
|---|---|---|
| 2010 | Western Black Widow Spider | Malmignate de l'Ouest |
| 2015 | Western Black Widow Spider | Malmignatte de l'Ouest |
| 2020 | Western Black Widow Spider | Malmignatte de l'Ouest |
Source: iNaturalist
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 | Latrodectus hesperus | Theridiidae | Araneae |
| 2015 | Latrodectus hesperus | Theridiidae | Araneae |
| 2020 | Latrodectus hesperus | 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 | Not Present |
| 2015 | Not Present |
| 2020 | Not Present |
| Northwest Territories | |
|---|---|
| 2010 | Not Present |
| 2015 | Not Present |
| 2020 | Not Present |
| Nunavut | |
|---|---|
| 2010 | Not Present |
| 2015 | Not Present |
| 2020 | Not Present |
| British Columbia | |
|---|---|
| 2010 | Secure - 4 |
| 2015 | Secure - S5 |
| 2020 | Secure - S5 |
| Alberta | |
|---|---|
| 2010 | Undetermined - 5 |
| 2015 | Apparently Secure - S4 |
| 2020 | Apparently Secure - S4 |
| Saskatchewan | |
|---|---|
| 2010 | Undetermined - 5 |
| 2015 | Unrankable - SU |
| 2020 | Unrankable - SU |
| Manitoba | |
|---|---|
| 2010 | Not Present |
| 2015 | Not Present |
| 2020 | Not Present |
| Ontario | |
|---|---|
| 2010 | Not Present |
| 2015 | Not Present |
| 2020 | Not Present |
| Quebec | |
|---|---|
| 2010 | Not Present |
| 2015 | Not Present |
| 2020 | Not Present |
| New Brunswick | |
|---|---|
| 2010 | Not Present |
| 2015 | Not Present |
| 2020 | Not Present |
| Nova Scotia | |
|---|---|
| 2010 | Not Present |
| 2015 | Not Present |
| 2020 | Not Present |
| 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 |