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Tharpyna diademata L. Koch, 1874 (diamonded Tharpyna)

A small, bark-dwelling crab spider, the female to about 4mm, the male smaller, to 3mm. The body is very dark, essentially black, flattish, with a somewhat roughened surface, and four distinctive white marks on the abdomen. The legs are pale brown to clear with white rings just above the patellas. They live underneath the loose bark where they prey on small insects including ants and weevils. The range is at least from eastern Australia Victoria to Cape York. This spider was named by Koch in 1874 in his description of a male and female from Lord Howe Island. Diademata means crowned.

Female, juvenile, from above


Collected mid June 2009 in a patch of good quality remant dry rainforest known as "The Island" on the northern side of the junction of Fish and Enoggera Creeks, Walton Bridge Reserve, The Gap. Body length: 2.5mm. The size and the pale legs are signs that it is not mature.

Tharpyna diadematus
Photo: Robert Whyte

Female, juvenile, from above, facing


Tharpyna diadematus
Photo: Robert Whyte

Female, juvenile, from above


Tharpyna diadematus
Photo: Robert Whyte

Female, juvenile, facing


Tharpyna diadematus
Photo: Robert Whyte

Female, , juvenile, from above, facing


Tharpyna diadematus
Photo: Robert Whyte

Adult female, facing, on leaf


Collected early July 2009 in a patch of good quality remant dry rainforest known as "The Island" on the northern side of the junction of Fish and Enoggera Creeks, Walton Bridge Reserve, The Gap. Body length: 4mm. This one is fully grown.

Tharpyna
Photo: Robert Whyte

Adult female, on leaf, side on from above


Tharpyna
Photo: Robert Whyte

Adult female, on leaf, from above facing up


Tharpyna
Photo: Robert Whyte

Male juvenile


Tharpyna
Photo: Robert Whyte

Adult male, from above, side view


Tharpyna diademata
Adult male, Simpsons Falls, Mt Coot-tha, SEQ. Photo: Robert Whyte

Adult male, from above, side view


Tharpyna diademata
Adult male, Simpsons Falls, Mt Coot-tha, SEQ. Photo: Robert Whyte

References


 
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