
"Phidippus johnsoni", the red-backed 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.
Similar species: Spiders

By Stephen Philips
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Uploaded Sep 7, 2018. Captured Sep 2, 2018 13:15 in E Britton Way, Tucson, AZ 85739, USA.
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