Atrax species (A. robustus, A. formidablis)
Description: Large, brown, bulky spiders. Aggressive when disturbed.
Habitat: Woods, jungles, and brushy areas. Web has a funnel-like opening.
Distribution: Australia. (Other nonvenomous species worldwide.)
All text and images from the U.S. Army Field Manual 3-05.70: Survival.
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