Roadless Areas
Home/Species/ Western Black Widow Spider

Latrodectus hesperus

Chamberlin and Ivie, 1935

Western Black Widow Spider

G5Secure Found in 194 roadless areas NatureServe Explorer →
G5SecureGlobal Rank
Identity
Unique IDELEMENT_GLOBAL.2.850091
Element CodeILARA07040
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryInvertebrate Animal
Endemicoccurs (regularly, as a native taxon) in multiple nations
KingdomAnimalia
PhylumArthropoda
ClassArachnida
OrderAraneae
FamilyTheridiidae
GenusLatrodectus
Other Common Names
Malmignate de l'Ouest (FR) Western Black Widow (EN)
Concept Reference
Paquin, P., D. J. Buckle, N. Duperre, and C. D. Dondale. 2010. Checklist of the spiders (Araneae) of Canada and Alaska. Zootaxa 2461:1-170.
Conservation Status
Rank MethodExpertise without calculation
Review Date2017-06-05
Change Date2017-06-05
Ecology & Habitat
Other Nations (2)
CanadaN5
ProvinceRankNative
SaskatchewanSUYes
British ColumbiaS5Yes
AlbertaS4Yes
United StatesNNR
ProvinceRankNative
MontanaSNRYes
WyomingSNRYes
Roadless Areas (194)
Arizona (15)
AreaForestAcres
Black CanyonPrescott National Forest10,683
BoulderTonto National Forest40,359
Catalina St. Pk. Roadless AreaCoronado National Forest951
ChiricahuaCoronado National Forest76,876
GaliuroCoronado National Forest28,333
GoldfieldTonto National Forest15,257
HellsgateTonto National Forest6,171
Horse MesaTonto National Forest9,146
MazatzalTonto National Forest16,942
Middle Romero WSRCoronado National Forest60
Oracle RoadlessCoronado National Forest22,365
PinalenoCoronado National Forest130,920
Pine Mountain Wilderness ContiguousTonto National Forest6,518
TumacacoriCoronado National Forest44,594
WhetstoneCoronado National Forest20,728
California (83)
AreaForestAcres
AgnewSequoia National Forest9,561
AntimonyLos Padres National Forest40,911
Arroyo SecoAngeles National Forest4,703
Barker ValleyCleveland National Forest11,940
Bear MountainLos Padres National Forest913
Birch CreekInyo National Forest28,816
Black CanyonInyo National Forest32,421
Black MountainLos Padres National Forest16,818
CajonSan Bernardino National Forest7,548
CamuesaLos Padres National Forest8,209
ChannellSequoia National Forest45,429
ChicoSequoia National Forest39,836
Circle MountainSan Bernardino National Forest6,375
City CreekSan Bernardino National Forest9,997
Crystal CreekSan Bernardino National Forest6,783
Cucamonga AAngeles National Forest1,249
Cucamonga BSan Bernardino National Forest11,933
Cucamonga CSan Bernardino National Forest4,106
Cutca ValleyCleveland National Forest14,530
Deep CreekSan Bernardino National Forest23,869
Devil GulchSierra National Forest30,490
Domeland Add.Sequoia National Forest3,046
Dry LakesLos Padres National Forest17,043
EagleShasta-Trinity National Forest6,553
Eagle PeakCleveland National Forest6,481
Fish CanyonAngeles National Forest29,886
Fisher Gulch BShasta-Trinity National Forest4,791
Fox MountainLos Padres National Forest52,072
Greenhorn CreekSequoia National Forest28,226
Hixon FlatSan Bernardino National Forest8,095
Horse Mdw.Inyo National Forest5,687
HortonInyo National Forest5,717
IshiLassen National Forest21,805
JuncalLos Padres National Forest12,289
La BreaLos Padres National Forest14,031
Lake EleanorShasta-Trinity National Forest397
LavasModoc National Forest25,864
Little French CShasta-Trinity National Forest11,529
Log Cabin SaddlebagInyo National Forest15,165
Magic MountainAngeles National Forest15,542
Malduce BuckhornLos Padres National Forest14,177
ManzanaLos Padres National Forest2,101
MatilijaLos Padres National Forest5,218
Mill CreekLassen National Forest7,587
Mill CreekSequoia National Forest27,643
Mill PeakSan Bernardino National Forest7,884
MonarchSierra National Forest697
MonoLos Padres National Forest28,141
Mt. JacksonHumboldt-Toiyabe National Forest20,721
Mt. Shasta BShasta-Trinity National Forest2,809
Mystic (CA)Humboldt-Toiyabe National Forest836
No NameCleveland National Forest4,897
NordhoffLos Padres National Forest12,031
North MountainStanislaus National Forest7,856
Pleasant ViewAngeles National Forest26,395
Pyramid Peak BSan Bernardino National Forest7,194
QuatalLos Padres National Forest7,253
Red MountainAngeles National Forest8,034
RinconSequoia National Forest54,610
Rouse HillSan Bernardino National Forest13,745
San DimasAngeles National Forest7,160
San Gabriel AddAngeles National Forest2,527
San Mateo CanyonCleveland National Forest65
San SevaineSan Bernardino National Forest6,866
Santa CruzLos Padres National Forest21,182
Sawmill - BadlandsLos Padres National Forest51,362
Sespe - FrazierLos Padres National Forest106,910
Sespe - FrazierAngeles National Forest4,254
Sheep MountainAngeles National Forest21,098
Sill HillCleveland National Forest5,294
Silver HillHumboldt-Toiyabe National Forest4,423
South SierraInyo National Forest41,853
Stanley MountainLos Padres National Forest14,674
Strawberry PeakAngeles National Forest7,245
TequepisLos Padres National Forest9,080
TuleAngeles National Forest9,861
Weaver BallyShasta-Trinity National Forest829
West GirardShasta-Trinity National Forest37,516
WestforkAngeles National Forest4,407
White LedgeLos Padres National Forest18,632
WildhorseCleveland National Forest1,483
Wonoga Pk.Inyo National Forest11,272
WoolstaffSequoia National Forest41,445
Colorado (3)
AreaForestAcres
HermosaSan Juan NF148,103
Long ParkRoutt NF42,100
Red TableWhite River NF39,122
Idaho (3)
AreaForestAcres
Bear CreekCaribou-Targhee National Forest118,582
Pioneer MountainsSalmon-Challis National Forest172,460
Pioneer MountainsSawtooth National Forest119,563
Montana (3)
AreaForestAcres
East PioneerBeaverhead-Deerlodge National Forest145,082
HoodooLolo National Forest105,162
Mt. Gmt Area HCuster National Forest1,335
Nevada (13)
AreaForestAcres
Angel Peak NorthHumboldt-Toiyabe National Forest12,577
Bald Mtn.Humboldt-Toiyabe National Forest41,598
Charleston - Macks CynHumboldt-Toiyabe National Forest11,378
LampsonHumboldt-Toiyabe National Forest10,730
Moriah - Silver CreekHumboldt-Toiyabe National Forest1,582
Mystic (NV)Humboldt-Toiyabe National Forest5,644
Rose - Big MeadowsHumboldt-Toiyabe National Forest311
Rose - Davis Mdw.Humboldt-Toiyabe National Forest2,361
Rose - EvansHumboldt-Toiyabe National Forest4,782
Rose - Whites CanyonHumboldt-Toiyabe National Forest2,568
Ruby - Secret Pk.Humboldt-Toiyabe National Forest6,749
South SchellHumboldt-Toiyabe National Forest125,614
White Pine Mtn.Humboldt-Toiyabe National Forest25,244
New Mexico (16)
AreaForestAcres
Columbine - Hondo Wilderness Study AreaCarson National Forest43,739
Contiguous To Black & Aldo Leopold WildernessGila National Forest111,883
Contiguous To Gila Wilderness & Primitive AreaGila National Forest79,049
Devils CreekGila National Forest89,916
El InviernoSanta Fe National Forest29,927
LemitasSanta Fe National Forest8,129
Little Dog And Pup CanyonsLincoln National Forest25,412
Meadow CreekGila National Forest34,167
Mother HubbardGila National Forest5,895
Ortega PeakLincoln National Forest11,545
Ryan HillCibola National Forest34,201
Sierra Negra Rare II Study AreaCarson National Forest9,470
South Guadalupe MountainsLincoln National Forest20,930
Thompson PeakSanta Fe National Forest33,001
West Face Sacramento MountainsLincoln National Forest41,176
Wheeler Peak WildernessCarson National Forest2,677
Oregon (9)
AreaForestAcres
BuckhornWallowa-Whitman National Forest17,180
Cook RidgeWallowa-Whitman National Forest19,617
HomesteadWallowa-Whitman National Forest5,817
Imnaha FaceWallowa-Whitman National Forest29,575
Mcclellan MountainMalheur National Forest21,213
Mountain SheepWallowa-Whitman National Forest19,457
Sheep DivideWallowa-Whitman National Forest16,201
Snake RiverWallowa-Whitman National Forest31,229
WoahinkSiuslaw National Forest5,309
South Dakota (1)
AreaForestAcres
Indian CreekBuffalo Gap National Grassland24,666
Texas (1)
AreaForestAcres
Big CreekNational Forests in Texas1,447
Utah (40)
AreaForestAcres
0401024Ashley National Forest12,882
0419020Ashley National Forest355,684
418016Uinta National Forest35,240
418017Uinta National Forest19,631
418024Uinta National Forest51,699
418025Uinta National Forest32,698
418028Uinta National Forest34,002
418029Uinta National Forest15,673
Beehive PeakFishlake National Forest59,137
Boulder Mtn. / Boulder Top / Deer LakeDixie National Forest110,690
Burch CreekWasatch-Cache National Forest6,938
Capital ReefDixie National Forest763
Clarkston Mtn.Caribou National Forest7,099
CottonwoodDixie National Forest6,754
Dairy ForkManti-Lasal National Forest30,222
Flat CanyonFishlake National Forest8,663
Lewis PeakWasatch-Cache National Forest11,616
Lone Peak ContiguousWasatch-Cache National Forest874
Long Neck Mesa / Steep Creek / Oak Creek - Steep Creek / OakDixie National Forest55,489
Middle FrancisWasatch-Cache National Forest3,296
Mt. AireWasatch-Cache National Forest9,681
Mt. Logan NorthWasatch-Cache National Forest18,930
Mt. Logan SouthWasatch-Cache National Forest17,014
Mt. Logan WestWasatch-Cache National Forest5,285
Mt. NaomiWasatch-Cache National Forest41,922
Mt. OlympusWasatch-Cache National Forest9,982
Mt. Johns Peak - Mt AliceFishlake National Forest12,469
North FrancisWasatch-Cache National Forest8,148
Oak CreekFishlake National Forest54,053
PavantFishlake National Forest42,560
Pine Valley MountainsDixie National Forest57,673
Right Hand Fork LoganWasatch-Cache National Forest15,023
SanpitchManti-Lasal National Forest29,129
Signal PeakFishlake National Forest30,889
South FrancisWasatch-Cache National Forest3,374
Stansbury MountainsWasatch-Cache National Forest39,696
Temple PeakWasatch-Cache National Forest24,081
Thousand Lake MountainFishlake National Forest27,267
Upper South ForkWasatch-Cache National Forest16,811
WellsvilleWasatch-Cache National Forest1,717
Washington (7)
AreaForestAcres
EntiatWenatchee National Forest72,617
ManastashWenatchee National Forest11,155
Nason RidgeWenatchee National Forest19,329
Pasayten RimOkanogan National Forest17,074
SawtoothOkanogan National Forest122,194
Slide RidgeWenatchee National Forest11,430
TaneumWenatchee National Forest26,140
References (2)
  1. Breene, R.G., D.A. Dean, G.B. Edwards, B. Hebert, H.W. Levi, G. Manning, K. McWest, and L. Sorkin. 2003. Common names of Arachnids 2003. 5th edition. The American Arachnological Society Committee on Common Names of Arachnids. American Tarantula Society.
  2. Paquin, P., D. J. Buckle, N. Duperre, and C. D. Dondale. 2010. Checklist of the spiders (Araneae) of Canada and Alaska. Zootaxa 2461:1-170.