Species Latrodectus hesperus - Western Black Widow
Phylum Arthropoda - Arthropods
Class Arachnida - Arachnids
Order Araneae - Spiders
Infraorder Araneomorphae - True Spiders
No Taxon Entelegynes
Family Theridiidae - Cobweb Spiders
Genus Latrodectus - Widow Spiders
Species hesperus - Western Black Widow
Meeker, Rio Blanco County,