Discoplax

Key to the long-legged Discoplax species

1a. Meso– and metagastric regions of carapace punctate to almost smooth (cf. Ng & Guinot 2001: fig. 9A, B); outer surface of adult ambulatory meri gently granular, gently rugose to punctate (cf. Ng & Guinot 2001: figs. 9A, 12B); ambulatory legs conspicuously long, ratios of maximum length to maximum width of second to fourth ambulatory legs (dactylus + propodus + merus) 18.0–26.2, 19.5–32.7, 15.9–29.0, respectively (cf. Ng & Guinot 2001: figs. 9A, 12B); Philippines.......................................................................................... D. gracilipes Ng & Guinot, 2001

1b. Meso– and metagastric regions of carapace gently to prominently granulated (e.g., Fig. 1 F); outer surface of adult ambulatory meri prominently granular to distinctly rugose (e.g., Fig. 10 A) ambulatory legs long, ratios of maximum length to maximum width of second to fourth ambulatory legs (dactylus + propodus + merus) 13.9–16.0, 13.5–15.0, 11.1–12.1, respectively (e.g., Fig. 10 A–D, G–J); other parts of West Pacific.............................................................. 2

2a. Adult G1 strongly curved, appearing almost C-shaped when viewed from ventral perspective (Figs. 11 A, B, 12, 13, 14A–D, 15A, B, 16A, B); Loyalty Islands to French Polynesia........................... D. longipes A. Milne-Edwards, 1867

2b. Adult G1 gently curved to almost straight when viewed from ventral perspective (Figs. 14 E–H, 15C–H, 16C, D); Guam........................................................................................... D. michalis n. sp.