Ground Spider


a ground spider, Zelotes, Gnaphosidae, from Arizona, photo © by Mike Plagens

On a terrace adjacent to Peña Blanca, Sta. Cruz Co., Arizona, USA. July 2013.

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The ground spiders, family Gnaphosidae, hunt as they range over the soil by walking or sometimes running quite fast. Mostly small, less than 10mm long and often glossy black or brown, matching an earth color. They do not use a silk web to snare prey, but do use silk to construct their egg sac.

Gnaphosidae -- Ground Spider Family

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Arizona Naturalist
Sycamore Canyons
Invertebrates in Arizona's Sycamore Canyons


Copyright Michael J. Plagens, page created 15 July 2016