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Avicularia bicegoi

Avicularia bicegoi is a species of large tarantulas belonging to the genus Avicularia. These spiders may be frightening in appearance because of their large size, but they share the pacific behavioral characteristics of most of the Avicularia species. Generally, they bite prey and rely on their urticating hair and flight for defense from their predators. Unlike many new world tarantulas, spiders within this genus Avicularia don’t flick their urticating hair. Instead, they rub their abdomen directly on their perceived attacker. They might also shoot feces if they are frightened.

As with other Avicularia, these spiders are arboreal. They construct a silken shelter in a protected place amid the branches of trees or bushes. They are nocturnal in habitat and they have a tendency to eat moths and other insects that move about above ground during the night.

These spiders move very quickly, even over very smooth surfaces such as glass. The two claws that end each leg are tufted with microscopic fibers that adhere to such surfaces by inter-molecular attraction. They have fairly good vision but they are also sensitive to vibrations and to the rapidly changing air currents produced by the beating wings of flying prey. When moths or other potential prey come within reach the spider supports itself utilizing their rear legs and reach out to grapple their prey with their front legs.

The venom is not known to be medically significant and they rarely bite people. They are regarded as rarely available in the pet trade but highly suitable to beginning tarantula fanciers.

Image Caption: Avicularia species, almost certainly bicegoi. Body length nearly 6.5 cm. Leg span over 10 cm. Credit: Patrick Edwin Moran/Wikipedia (CC BY-SA 3.0)

Avicularia bicegoi


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