Kaderka, Radan (2007)Cyriocosmus perezmilesi sp. n. from Bolivia (Araneae: Theraphosidae: Theraphosinae). Revista Ibérica de Aracnología, Vol. 14.
Cyriocosmus perezmilesi sp. n. from Bolivia, Beni province, is described, diagnosed and keyed inside the inner group of Cyriocosmus Simon 1903 which is represented by species with reduced paraembolic apophysis in male palpal bulb structures. The new species can be distinguished from all other cogeners, except C. blenginii Pérez-Miles 1998, by uniformly coloured carapace and lateral four-striped pattern on abdomen. C. perezmilesi sp. n. differs from C. blenginii by presence of the reduced paraembolic apophysis and bicolour femora (reddish brown, distally black).
DIAGNOSIS: Cyriocosmus perezmilesi sp. n. can be distinguished from all other congeners, except C. blenginii, by its uniformly coloured carapace and lateral four-striped abdominal pattern. It differs from C. blenginii by the presence of reduced paraembolic apophysis and by its bicoloured femora (reddish-brown, distally black).
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Figs. 2.-6. C. perezmilesi sp. n. male holotype (NMPC P6E-2983), Bolivia, Beni River, San Buenaventura, morphology of male palpal bulb, prolateral (2), retrolateral (3). PS = prolateral superior keel, PA = paraembolic apophysis, E = embolus, TP = tegular protuberance. (4) Male tibial apophysis, prolateral, without covering hairs. C. perezmilesi new species female paratype, (NMPC P6E-2985), Bolivia, Beni River, San Buenaventura. (5) Colour pattern. From top, carapace, dorsal abdomen, ventral abdomen and lateral abdomen. (6) Examples of bicolour femora. From top, femur I, retrolateral and femur IV, prolateral. Scale bar = 1 mm (figures 2, 3, 4, 6). Scale bar = 10 mm (figure 5)