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Xamiatus rubifrons Red-jawed Bearded Wishbone Spider

The Red-jawed Bearded Wishbone Spider is a rare species in an uncommon genus. There are five Australian species in the genus Xamiatus erected by Dr Robert Raven in 1981 Including the biggest wishbone spider, Xamiatus magnificus . The Red-jawed Bearded Wishbone is found in South East Queensland near creeks. Its name comes from its very red to dark-pink chelicerae, or jaws. It is a dark brown spider, usually about 4cm in body length, robust and heavy and quite aggressive. Unlike most other wishbone spiders it has a straight burrow with no offshoot, possibly due to its relative size, aggression and strength, making it unnecessary to retreat from intruders. The species name rubifrons means red-fronted. Little is known of its biology or venom, but its large fangs suggest it is capable of delivering painful and possibly dangerous bites.

Female adult from above


Xamiatus rubifrons Raven 1981
Photo: Robert Whyte

Female adult from above in attach mode


Xamiatus rubifrons Raven 1981
Photo: Robert Whyte

Female adult facing, in attack mode


Xamiatus rubifrons Raven 1981
Photo: Robert Whyte

Female adult from side, rearing to attack


Xamiatus rubifrons Raven 1981
Photo: Robert Whyte

 

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