Heterolithadia fallax (Henderson, 1893)

(Fig. 3 B–D)

Material examined. 1 male (8.7 mm) (ZRC 2014.0172), stn PS22, north Tadwai I., 04°59.1'S 145°47.6'E, 11 m, 22.11.2012; 1 female (13.1 mm) (ZRC 2014.0168); 1 female (9.5 mm) (MNHN-IU-2013-1195), stn PD66, south Yabob I., 05°15.5'S 145°47.3'E, 2–6 m, 3.12.2012; 1 male (8.1 mm) (MNHN-IU-2013-17892), stn PS42, S Urembo I., outer slope, 05°15,9'S 145°47,1'E, 18–27 m, 6.12.2012; 1 broken female (MNHN-IU-2013-1494), stn CP4035, east Kotakot, 04°31'S 145°31'E, 380–382 m, 17.12.2012.

Colour in life. Carapace bone-coloured, posteriorly mottled red-brown; cheliped merus proximally stained red-brown, fingers mottled with pale brown; ambulatory legs proximally reddish-brown (Fig. 3 B–D).

Geographical distribution. India to Philippines (Tan 1996), Vanuatu (Galil & Ng 2010). New record for Papua New Guinea.