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Cytaea plumbeiventris (Keyserling, 1881) Slate-bellied Cytaea

A common jumping spider in coastal Queensland from Brisbane north, especially in warmer areas from the Sunshiine Coast to north Queensland. Probably broadly widespread across northern Australia, having been found in the Northern Territory as part of a 2012 biodiversity survey at Fish River Station on the Daly River. This species' fissident dentition, epigyne and palp strongly correlate with generic placement in Cytaea. This spider hunts on foliage in the daytime, its prey mostly other arthropods including spiders. It is a relatively slender species, the female having camouflaging patterns. The male is stockier, somewhat smaller, and much more vividly coloured with orange-red around the eyes, dark over most of the abdomen and cephalothorax, and a bright yellow moustache, the yellow not always easy to see in photos. The sub-adult male has much more obviously stripey legs and a white moustache. The species name is Latin for leaden, or slate-coloured and ventris meaning underneath. ♀ 6mm ♂ 4mm

Female facing, oblique Obi Obi Creek, Hunsley Road, Kidaman Creek 271009


Trite longula
Photo: Robert Whyte

Female, closeup from above, behind Obi Obi Creek, Hunsley Road, Kidaman Creek 131209


Trite longula
Photo: Robert Whyte

Female, in alcohol, Obi Obi Creek, Hunsley Road, Kidaman Creek 131209


Cytaea plumbeiventris
Top: side view, below left: epigyne, below right jaws and teeth, fissident on the retromargin Photo: Robert Whyte

Male, Noosa National Park


Cytaea xanthopus
Photo: Nick Monaghan lifeunseen.com

Male, Noosa National Park


Cytaea xanthopus
Photo: Nick Monaghan lifeunseen.com

Female from above, IRM NQ AUS-245 Townsville 29/02/2012


Cytaea xanthopus
Photo: Robert Whyte

Female from side, oblique, IRM NQ AUS-245 Townsville 29/02/2012


Cytaea xanthopus
Photo: Robert Whyte

Female from above, IRM NQ AUS-245 Townsville 29/02/2012


Cytaea xanthopus
Photo: Robert Whyte

Female from side, IRM NQ AUS-245 Townsville 29/02/2012


Cytaea xanthopus
Photo: Robert Whyte

Female teeth, IRM NQ AUS-245 Townsville 29/02/2012


Cytaea xanthopus
Photo: Robert Whyte

Male AUS-251 Barron Gorge NP 01/03/2012 from above


Cytaea xanthopus
Photo: Robert Whyte

Male AUS-251 Barron Gorge NP 01/03/2012


Cytaea xanthopus
Photo: Robert Whyte

Male AUS-251 Barron Gorge NP 01/03/2012 composite


Cytaea xanthopus
Anti clockwise from top left: male in alcohol, palp facing, palp side, palp leaning back, palp oblique, fissident teeth. Photo: Robert Whyte

Female IRM AUS-256 Barron Gorge NP 01/03/2012


Cytaea plumbeiventris
Photo: Robert Whyte

Male, Fish River Station, Douglas Daly Research Farm, NT


Cytaea plumbeiventris
Photo: Robert Whyte

Male, Fish River Station, Douglas Daly Research Farm, NT


Cytaea plumbeiventris
Photo: Robert Whyte

Female, Fish River Station, Douglas Daly Research Farm, NT


Cytaea plumbeiventris
Photo: Robert Whyte

Female, Fish River Station, Douglas Daly Research Farm, NT


Cytaea plumbeiventris
Photo: Robert Whyte

Subadult male, Fish River Station, Douglas Daly Research Farm, NT, from above


Cytaea plumbeiventris
Photo: Robert Whyte

Subadult male, Fish River Station, Douglas Daly Research Farm, NT, facing


Cytaea plumbeiventris
Photo: Robert Whyte

Plate 110, Die Arachniden Australien


Cytaea plumbeiventris
Illustration: L Koch

 

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