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Oncodamus decipiens Harvey, 1995 Red-black Spider

The two very similar known species of Oncodamus occur in the closed forests of eastern Australia with O. bidens in southern New South Wales, and O decipiens from Singleton, New South Wales to the Mossman region, northern Queensland, mostly in isolated rainforest pockets. The generic name is derived from oncos (Greek, hook) and Nicodamus, and refers to the cymbial hook. (Harvey, 1995). Two distinct colour morphs, the first with a uniformly dark dorsal region of the abdomen, with a very small reddish patch slightly anterior to the spinnerets, the other with a distinctly bicoloured abdomen with a dark anterior portion and a reddish posterior portion. The specific name refers to the similarity of this species to O. bidens (decipiens Latin, deceitful). ♀ 7mm ♂ 5mm

Female from above, Lacey's Creek


Ocodamus decipiens
Photo: Robert Whyte

Female from side, Lacey's Creek


Oncodamus decipiens
Photo: Robert Whyte

Female from rear oblique, Lacey's Creek


Oncodamus decipiens
Photo: Robert Whyte

Female facing, Lacey's Creek


Oncodamus decipiens
Photo: Robert Whyte

Female from above, Lacey's Creek


Oncodamus decipiens
Photo: Robert Whyte

Female from behind, Lacey's Creek


Oncodamus decipiens
Photo: Robert Whyte

Female from underneath, Lacey's Creek


Oncodamus decipiens
Photo: Robert Whyte

Female from side, Lacey's Creek


Oncodamus decipiens
Photo: Robert Whyte

Epigyne, Lacey's Creek


Oncodamus decipiens
Photo: Robert Whyte

References


  • Harvey 1995 - The Systematics of the Spider Family Nicodamidae (Araneae : Amaurobioidea) Invertebr. Taxon., 1995,9,279-386
 

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