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Sicarius is a genus of recluse spiders that is potentially medically significant to humans. It is one of three genera in its family, all venomous spiders known for a bite that can induce loxoscelism. They live in deserts and arid regions of the Neotropics, and females use a mixture of sand and silk when producing egg sacs. The name is Latin for ...
The spider-like arachnids known as Opiliones (also known as "harvestmen" or "daddy-long-legs") are a species often handled by humans. They are the subject of an urban legend which not only claims that harvestmen are venomous, but are in fact more venomous than any other spider though are incapable of biting humans due to their lack of ...
Latrodectus mactans, known as southern black widow or simply black widow, and the shoe-button spider, [citation needed] 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.
These medium-size venomous spiders can be found in every county in Tennessee. Brown Recluses get their name because they are hard to locate. They can measure from one-fourth to three-fourths of an ...
Latrodectus hesperus, the western black widow. “The northern black widow, Latrodectus variolus, lives in the northeastern U.S. and southeastern Canada,” Crawford says.These females lack the ...
The eye arrangement of spiders in the genus Latrodectus. Female widow spiders are typically dark brown or a shiny black in colour when they are full grown, usually exhibiting a red or orange hourglass on the ventral surface (underside) of the abdomen; some may have a pair of red spots or have no marking at all.
Brown recluse spiders, or Loxosceles reclusas, are roughly the size of a quarter with their legs extended, and experts say the shy arachnid usually prefers to hide in dry, dark places, where there ...
Latrodectus hesperus, the western black widow spider or western widow, is a venomous spider species found in western regions of North America. The female's body is 14–16 mm (1/2 in) in length and is black, often with an hourglass-shaped red mark on the lower abdomen. This "hourglass" mark can be red, yellow, and on rare occasions, white.