Pristomyrmex longispinus Wang ^HNS, 2003

Material examined: Negros: Negros Oriental Pr., Cuernos de Negros, Valencia, Apolong, Casaroro Falls, 25. - 26.X.2004, leg. C. Pangantihon (# P400), 5 (CZW); ibid., 25. - 26.X.2004, leg. H. Zettel (# 400), 2 (NHMW); ibid., 9. - 13.III. 2005, leg. H. Zettel (# 420), 2 (CZW); ibid., 26.III.2006, leg. H. Zettel & C. Pangantihon (# 451), 6 (CZW).

Diagnosis of worker: TL 4.5 - 5.7 mm. Clypeus dorsally without median carina, ventrally with transverse ruga. Masticatory margin of mandible with diastema. Dorsum of head and alitrunk smooth, on head sparsely punctate. Pronotal spines very long (PSL1 0.40 - 0.50) about twice as long as propodeal spines (PSL2 0.18 - 0.26). Petiolar node not separable from peduncle. First gastral tergite without setae.

Previous records from the Philippines: Negros Oriental (Cuernos de Negros, Dumaguete [type locality]) (Wang 2003).

General distribution: endemic to Philippines.