Canama triramosa Zhang &amp; Maddison 2012, sp. nov.
Creators: name: Zhang, Jun-Xia
name: Maddison, Wayne P.
Publisher: name: Zenodo
Year: 2012
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Arachnida
Araneae
Salticidae
Canama
Canama triramosa

description: <i>Canama triramosa</i> sp. nov. Figs 77–90 <b>Type material.</b> Holotype: male, PAPUA NEW GUINEA: Eastern Highlands Province: Mt. Gahavisuka Provincial Park, 6.016° S, 145.417° E to 6.017° E, 145.416° E, elev. 2450–2490 m a.s.l., 2 August 2008, coll. W. Maddison, WPM#08-027 (UBC-SEM AR00088). Paratypes: 1 female, same data as holotype (UBC-SEM AR00089); 1 female, same data as holotype; 1 female, PAPUA NEW GUINEA: Eastern Highlands Province: Mt. Gahavisuka Provincial Park, 6.015° S, 145.412° E, elev. 2320 m a.s.l., 1–2 August 2008, coll. W. Maddison, WPM#08-025. <b>Etymology.</b> The specific epithet is from the combination of the prefix <i>tri-</i> (three) and the Latin <i>ramosa</i> (branched), and refers to the large three-forked tooth on the promargin of male chelicerae. <b>Diagnosis.</b> Differs from other species by the unique three-branched promarginal tooth and the one large and wide retromarginal tooth on the male chelicera (Figs 86–87). Similar in male palpal structure to <i>Canama forceps</i> (Doleschall) (see Prószyṅski 1984, 1987), but can be easily distinguished by the shorter and wider male chelicera (Figs 86–87), the tooth pattern on the male chelicera (Figs 86–87), the wider palpal bulb and the shape of the retrolateral tibial apophysis of the male palp (Figs 83–85). Female is similar to <i>C. extranea</i>, but differs in the absence of dark markings in the eye area (Figs 80, 82), the thicker and less convoluted copulatory duct of the vulva (Fig. 90). <b>Description.</b> <i>Male</i> (holotype, UBC-SEM AR00088). Carapace length 2.1; abdomen length 2.5. Chelicera (Figs 86–87): yellow brown; robust with a tri-forked big tooth on promargin and an axe-like tooth on retromargin. Palp (Figs 83–85): yellowish to brownish. Cymbial distal groove more retrolateral. Proximal tegular lobe absent. Embolus long and coiled for about two circles. Retrolateral tibial apophysis finger-like. Femur of palp curved. Tibia of first leg with three pairs of ventral macrosetae; metatarsus with two pairs. Measurements of legs: I 6.5, II 5.1, III 5.6, IV 4.8. Color in alcohol (Fig. 81): carapace yellowish, eye area light orange; abdomen grayish without distinct markings; legs light yellow with yellow brown annuli. Body more greenish when alive (Figs 77–79). <i>Female</i> (paratype, UBC-SEM AR00089). Carapace length 2.0 (variation 2.0–2.2, n=3); abdomen length 3.2. Chelicera (Fig. 88): with a long bicuspid retromarginal tooth. Tibia of first leg with three pairs of ventral macrosetae; metatarsus with two pairs. Measurements of legs: I 4.2, II 3.7, III 4.7, IV 4.4. Epigynum (Figs 89–90): window with a narrow median septum; opening at posterior end of window close to median septum. Copulatory duct long and convoluted with a gland-like process near the beginning. Color in alcohol (Fig. 82): similar to that of male, but eye area of carapace yellow, abdomen orange with symmetrical gray markings. Body more greenish when alive (Fig. 80).
description: Published as part of <i>Zhang, Jun-Xia &amp; Maddison, Wayne P., 2012, New euophryine jumping spiders from Papua New Guinea (Araneae: Salticidae: Euophryinae) 3491, pp. 1-74 in Zootaxa 3491</i> on pages 18-20