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Arkys dilatatus (Balogh, 1978) Dilated Arkys

A small, rather nondescript ambush hunter in coastal rainforest from south eastern to northern Queensland. The rearmost of the central quadrangle of eyes are slightly larger and slightly wider apart. The carapace, or top of the cephalothorax, is flat and covered with pale, forward-pointing hairs. The cephalothorax is longer than wide, with more or less straight sides, very sightly wider at the rear. The leading edge of the abdomen is slightly procurved and has a dark face above the pedicel connecting to the cephalothorax. The somewhat flattish abdomen flares towards the rear with little or no waist. On the trailing edge the corners come to aerofoil-like points after bumpy folds. The male's abdomen is less flared and its tubercles are more numerous and prominent. The abdomen and cephalothorax are roughly equal in length, especially in the male. There are 8 spines on the inside of the tibia on the first leg, spines 2 and 3 the longest. The holotype and paratypes in the Australian National Insect Collection were collected in 1965 from Townsville and Ingham. ♀ 4.5mm ♂ 3.5mm

Female 03-Oct-09 Mapleton Falls NP


Arkys dilatatus
Photo: Dr Greg Anderson

Female from above 03-Oct-09 Mapleton Falls NP


Ark dila
Photo: Dr Greg Anderson

Female facing 03-Oct-09 Mapleton Falls NP


Ark dila
Photo: Dr Greg Anderson

 
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