Latrodectus mactans
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Latrodectus mactans, known as southern black widow or simply black widow, and the shoe-button spider, is a venomous species of spider in the genus Latrodectus. The females are well known for their dis
Latrodectus mactans eating
The distinctive red hourglass marking
Latrodectus
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Latrodectus is a broadly distributed genus of spiders informally called the widow spiders, with several species that are commonly known as the true widows. This group is composed of those often called
Latrodectus mactans
…Latrodectus mactans, known as southern black widow or simply black widow, and the shoe-button spider, is a venomous species of spider in the genus Latrodectus. The females are well known for their distinctive black and red coloring and for the fact that they will occasionally eat their mates after reproduction…
Latrodectus hesperus Berkeley, California
Juvenile southern black widow (Latrodectus mactans)
Ventral side of a L. geometricus displaying the hourglass marking
Dorsal side of a mature male L. hesperus in Colorado, United States