Ngirhaphium murphyi, Evenhuis & Grootaert

(Figs 9, 12)

Ngirhaphium murphyi Evenhuis & Grootaert, 2002: 310 . Type locality: SINGAPORE: Kranji mangrove. N. murphyi: Grootaert & Puniamoorthy, 2014: 147 (figs 1–3, 4, 5, 18).

Diagnosis. A large species (5.7–7.3 mm), generally with clear wings. Mesonotum and tergites metallic green. Apical aristal article quite thick, nearly half as long as basal aristal article. Male with cerci longer than surstyli and thus the tips are visible outside the surstyli (Figs 9, 12).

Material examined. THAILAND: 1 ♂, 4 ♀, Satun province, Tarutao Island, Talo Wao bay (6°36'58.7"N 99°40'43.1"E), 11.viii.2014 (leg. A. Samoh) (PSU)

Remarks. The pedicel is yellowish-brown in females and black in males. The pedicel is always black in both sexes in Singapore populations (Grootaert & Puniamoorthy 2014).