Cosmophasis umbratica, Hurni-Cranston & Hill, 2021

Hurni-Cranston, Tiziano & Hill, David E., 2021, Three new jumping spiders of the genus Cosmophasis from Wallacea (Araneae: Salticidae: Chrysillini), Peckhamia 228 (1), pp. 1-84 : 73-74

[ 301:] The Arachnids which are the subject of this work were captured by M . J. Bouchard in the province of Palembang, South-East of Sumatra, some in the Bahaton marsh at sea level, the others in the vast forest of Nirou, which extends far into the interior and which is almost impenetrable . [308-309:] 13. Cosmophasis umbratica , sp. nov. ♂ length 5 mm. Cephalothorax high, black, the anterior head bearing coppery-green scales, the anterior thorax, behind the eyes, with a slightly curved transverse line, to the rear, in the declivity, an ovate spot, similarly adorned with scales . Hairs around the eyes white . The clypeus slightly narrower than the diameter of the AME, in the middle and on either side long and thick white hair . Abdomen narrow and long, obtuse and truncated at the front, tapering at the rear, black, above with shining black scales, a band across the front margin, at the apex adorned with two spots of small, snowy scales, below almost glabrous, but on either lateral margin a thin line, a long spot at the rear, white-haired . Spinnerets black . Chelicerae long, almost parallel, the anterior flat, black, with transverse lines and scattered white hairs except at the apex light and glabrous, outside in the middle of the apex a thin keel and inside, at the margin of the apex, minute teeth, below the long, reddish margin of the fang groove and separate from the teeth, a long reddish fang, compressed and keeled above . Mouth parts black . Sternum black, covered with green-gold scales . Legs long, paticularly the femur, reddish-yellow, the rear of the coxae yellow, moderately green-scaled, the trochanter above similarly scaled, the femora on both sides with a wide black band, the remaining segments, except for the tarsus, with yellow lines on both sides, weakly armed with a few ordinary spines . The pedipalps are short, black, the apex of the femur, patella, and tibia pale yellow, with long and thick white hairs; tibia and patella short, with two apical apophyses, the upper compressed and wide, truncated, and the lower with a minute tooth, slender below, sharp and pointed down, projecting on the outside; the tarsus (cymbium) long, ovate and convex at the base, the apex long, attentuated, thin and curved . Forest of Nirou .

Appendix 6. Early descriptions of Cosmophasis viridifasciata (Doleschall 1859) Included are descriptions that have been associated with this species in the past.

from Doleschall 1859 (p. 19-20; pl. 3, fig. 8; pl. 5, fig. 3)

Pl. 3, Fig. 8 ♂ Salticus viridifasciatus . Pl. 5, Fig. 3 ♀ Salticus fulvovittatus .

Figures

Figure 3. Opisthosomal scale cover of Cosmophasis. 1, Adult female C. squamata (HC-BB1f, Banda Besar, 8 FEB 2016). 2, Detail of overlapping scales from inset rectangle in (1). 3-4, Camera lucida drawings of dark (olive-green transparent) and light (white granular) opisthosomal scales from a female Cosmophasis sp. collected in Brunei in 1975 (after Hill 1979, 2009). 5, Schematic diagram of overlapping opisthosomal scales (posterior direction at the top).

Figure 8 (continued on next page). Views of the living holotype male C. ambonensis (HC-AM1m). Note that the left pedipalp is missing.