Hackle-mesh Weavers (Amaurobiidae)
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| Hackle-mesh weavers are usually 10-20 mm in length, although species of the infrequently seen genus Zanomys and some very rare cave-dwelling species are barely longer than a single millimeter. They are dark black-brown or reddish-brown, and often have pale chevron markings on the abdomen. They build cottony silk nests under bark, stones, or in small crevasses. The largest and most frequently seen are the roughly 20 Californian species of the genus Callobius. |
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