hobo spider


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Related to hobo spider: Grass spider, Black widow spider

Tegenaria agrestis

(te-ge-nā'rē-a a-grĕs'tis),
A native European spider now resident in the Pacific Northwest of the U.S., formerly falsely thought capable of inducing necrotic arachnidism.
Synonym(s): hobo spider

hobo spider

A 5-in (45 mm) long brown spider with gray markings found in northwestern North America. Males are more venomous than females. A bite causes erythema, blisters, subsequent necrosis of the skin, and sometimes severe, persistent headaches. Systemic corticosteroid therapy may be helpful. Aplastic anemia, intractable diarrhea, or vomiting may occur and, although rare, may be fatal.
See also: spider
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The bite of the hobo spider usually is initially painless.
Mr Tomkins returned home to identify the American hobo spider and symptoms of its bite on the internet.
One of the aggressive hobo spiders, which have two-inch-long hairy legs and a venomous bite, left her horrified partner Liam Forrester, 24, with a deep infected wound, which could take months to heal.
Simon Fraser University graduate students Samantha Vibert and Catherine Scott, working with SFU biology professor Gerhard Gries, recorded the vibrations made by male black widow spiders (Latrodectus hesperus), hobo spiders (Tegenaria agrestis) and prey insects.