Grass spiders, also called funnel weaver spiders (family Agelenidae) make flat or cup-shaped sheet webs with a tunnel at one corner that they hide in. The webs are not sticky, but the spiders can move very quickly on them -- dashing out of the tunnel to grab prey that walks on their web.
Subject
Live Animal
Subject
Sign
Life Stages And Gender
Adult/Sexually Mature
Anatomy
Coloration/Patterning :: Cryptic
Contributors
Phil Myers (photographer; copyright holder), Museum of Zoology, University of Michigan-Ann Arbor