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Tmarus marmoreus (L. Koch, 1876) Marbled Crab Spider

This Thomisid spider is a live-leaf-curling species, found on shrubs or trees where it hunts by ambush, usually on light coloured bark. Rather shy and well camouflaged with a somewhat crusty appearance, it is difficult to see when still. It is widespread throughout most of Australia in rainforest to semi-arid habitats, especially common in the eastern states. A closely related species, Tmarus cinerascens, is a little smaller, often greyer, with a wider, blunt ending to the rear of the abdomen rather than a slender cone shaped point. T. marmoreus has more reds and purples in its camouflage, the colours perhaps changing according to its surroundings. It runs quickly from place to place, stopping suddenly each time and stretching out its long front legs and shorter back legs to clasp its body very close to the twig it is on. ♀ 4mm ♂ 3mm

Female from above


Tmarus sp
Photo: Robert Whyte

Female from Brunswick Heads


Tmarus marmoreus
Female, body length 5mm observed in Nana Street, Brunswick Heads.

Female from above, facing North Stradbroke Island


Tmarus
Photo: Robert Whyte

Female from above


Tmarus marmoreus
Photo: Robert Whyte

 
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