Biospeleology of the Piemonte
(North-western Italy)

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Arthropoda, Arachnida, Opiliones


Arachnida, Opiliones, Erebomastridae, Holoscotolemon oreophilum (Martens, 1978) - It is an eutroglophile opilion endemic of the south-western Alps and known for the Partisans Cave and also for the Camoscere Caves and other cavities near by these latter ones (where recently the author found it); it is moreover known for the caves of the "Conca delle Turbiglie" (Turbiglie's Basin), near Pamparato (CN). Like other cave-dwelling opilions it is a predator, but, on the contrary of the representatives of the genus Ischyropsalis, it hunts among the stones to the ground, instead that on the walls. Its body has a color from deep orange to reddish brown and the second pair of legs is remarkably lengthened and sensitive in order to sound the environment in the deep dark, where its atrophic eyes couldn't help it. (Real size of the body: about 5-6 mm).

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