Wednesday, August 1, 2012

Zebra Tarantula

Zebra Tarantula, Aphonopelma seemanni
Quite recognizable by the distinct leg markings, the Zebra Tarantula originates from Costa Rica. The feet of spiders have thousands of spatulate hairs that generate van der Waals forces as a dry attachment system. There are also small distal claws to enhance adhesion, interlocking with substrate on a rough surface. The zebra tarantula in particular has an additional ability to use its silk on its feet for adhesion. Whether this silk may or may not be produced by spinnerets on the legs is in question, but this ability is relatively unique to this particular species.

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