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Yellow Sac Spider. Yellow sac spiders are also more common in eastern Washington, but can still be found in the Seattle are. Yellow sac spiders can be yellow, white or green with darker legs and ...
Phidippus johnsoni, the red-backed jumping spider or Johnson jumping spider, is one of the largest and most commonly encountered jumping spiders of western North America. It is not to be confused with the unrelated and highly venomous redback spider ( Latrodectus hasselti ).
Solifugae is an order of arachnids known variously as solifuges, sun spiders, camel spiders, and wind scorpions. The order includes more than 1,000 described species in about 147 genera . Despite the common names, they are neither true scorpions (order Scorpiones) nor true spiders (order Araneae ).
Phidippus is a genus in the family Salticidae (jumping spiders). [1] Some of the largest jumping spiders inhabit this genus, and many species are characterized by their brilliant, iridescent green chelicerae. Phidippus is distributed almost exclusively in North America, with the exception of two exported species (Phidippus audax and Phidippus ...
The World’s Biggest Spiders (And Their Prey) October 29, 2024 at 6:30 AM Watch our video spotlighting the ten biggest spiders on earth with some walking on legs over a foot in width.
Callobius severus is a species of spider found in parts of the United States and Canada. [1] Individuals reach roughly 19 mm (3/4") in size, with males typically appearing smaller than females. Cephalothorax and legs are reddish to dark brown and the abdomen is dark to light grey with fine hairs, often appearing with large, bilaterally mirrored ...
In Washington state, there are only two spiders that can cause medical issues: black widow spiders and yellow sac spiders, according to the Washington State Department of Health.
The giant house spider has been treated as either one species, under the name Eratigena atrica, or as three species, E. atrica, E. duellica and E. saeva. As of April 2020, the three species view was accepted by the World Spider Catalog. They are among the largest spiders of Central and Northern Europe.