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Atkinsonia spp. Flattish Hadrotarsine with central bump

This species, or group of species, has a body length of up to 3mm in females, up to 2mm in males, has a generally flattish abdomen with a central bump and a turreted cephalothorax. Hickman's Atkinsonia petricola is a good match but is only found further south.

Male subadult, body length 2mm, pale pink abdomen from side, facing


Hadrotarsinae
Photo: Robert Whyte

Male subadult, body length 2mm, pale pink abdomen from above, facing


Theridiidae > Hadrotarsinae
Photo: Robert Whyte

Male 031109 sparkly, body length 2mm, facing


This type of spider is hairier than similar flattened Phoroncidia, generally more crusty looking, which in this case sparkles in light. Two of its eyes are somewhat enlarged.

Atkinsonia
Photo: Robert Whyte

Male 291009 sparkly, body length 2mm, facing


Not the same spider as the one directly above, but almost identical and almost certainly the same species.

Hadrotarsinae
Photo: Robert Whyte

Female 031109 facing


This female, rather stellate (star shaped) has an interesting lighter coloured bump at the rear of the abdomen.

hadrotarsinae
Photo: Robert Whyte

Female from above, showing rear bump


Hadrotarsinae
Photo: Robert Whyte

Female adult 260309 underneath showing epigyne


Theridiidae > Hadrotarsinae > Atkinsonia
Photo: Robert Whyte

Male adult 210610 from above


Atkinia sp cf Atkinsonia ex Dipoena
Photo: Robert Whyte

Male adult 210610 underneath


Atkinia sp cf Atkinsonia ex Dipoena
Photo: Robert Whyte

Male adult 210610 facing


Atkinia sp cf Atkinsonia ex Dipoena
Photo: Robert Whyte

Male adult 210610 palp side view

Atkinia sp cf Atkinsonia ex Dipoena
Photo: Robert Whyte

 

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