Pheidole singaporensis Özdikmen, 2010

Material examined. Bukit Timah Nature Reserve, 15 Aug 2011, J. Koh leg., Winkler extraction, ZRC _ ENT00000893; same locality as previous, 2011, M.S. Foo leg., ZRC _ ENT00007794-7796; same locality as previous, 1.35386, 103.77988, 4 Jan 2017, W. Wang leg., WW-SG17-002, ZRC _ HYM_0000565; same locality as previous, 28 Mar, collection year unknown, D.H. Murphy leg., ZRC _HYM_0000740; Lower Peirce Reservoir, Aug 1990, collectors unknown, ZRC _ENT (multiple); same locality as previous, 7 May 2017, G.W. Yong leg., ZRC _ ENT00048417; Mandai Road, 1.41258, 103.79839, ZRC _HYM_0001538-1543; Mandai Lake Road, 5 Nov 2016, G.W. Yong leg., ZRC _ ENT00048425; Upper Peirce Reservoir, 10 Jan 2014, Sk. Yamane leg., SG14- SKY-48, ZRC _HYM_0000367 .

Material not physically examined. Types – CASENT0901398, ANTC20921 (OUMNH); CASENT0901505, ANTC21025 (BMNH) [as syntypes of Myrmica longipes] .

Literature. Type – Smith (1857) [as Myrmica longipes]. Eguchi (1999, 2001, 2003), Tan & Corlett (2012) [all as Pheidole longipes].

Localities. Bukit Timah Nature Reserve; Lower and Upper Peirce Reservoir; Mandai Lake Road; Mandai Road.

Habitat/Ecology. This species is associated mostly with primary and old/mature secondary forests in Singapore, including native-dominated secondary forests. Nests were frequently found under fallen logs, or in soil at bases of living trees or dead tree stumps. Individual workers were often found foraging in leaf litter. The ants are often found at high densities or abundances in and around nesting sites.

Remarks. Type locality in Singapore. Previously known as ‘ Pheidole longipes (Smith, 1857) ’, before being rendered the current replacement name by Özdikmen (2010) as the original name was a junior secondary homonym of ‘ Pheidole longipes (Latreille, 1802) ’.