Proceratium deelemani Perrault, 1981

Material examined. Queens and workers, Bukit Timah Nature Reserve, 1.35127, 103.78161, 8 May 2017, W. Wang leg., WW-SG17-014, ZRC _HYM_0000610; Seletar Trail, 1.39151, 103.80056, 16 Apr 2016, M.K.L. Wong leg., Winkler extraction, ZRC _ ENT00000677 .

Material not physically examined. ANIC 32- 025871, RWTacc.68.34 (ANIC); FMNHINS0002821932-2821935, FMHD_81-282 (FMNH).

Literature. Baroni Urbani & de Andrade (2003).

Localities. Bukit Timah Nature Reserve; Seletar.

Habitat/Ecology. This species was found in primary or old/mature secondary forests in Singapore. Nests have been found in soil substrate and debris in fallen wood (at the base of a large liana). Specimens have also been collected in litter from forest floors and crevices of tree buttresses.