A second species of the ant genus Romblonella from the Philippines (Hymenoptera: Formicidae)

Romblonella coryae sp. n. is described from Palawan Island. It is the second species known from the province of Palawan, Philippines. Romblonella coryae differs from R. opaca (F. Smith, 1861) (=R. grandinodis Wheeler 1935) in possessing the following characters: a longitudinally costulate first gastral tergite; a subrectangular head (with CI not exceeding 90); compound eyes located at midlength of head; a narrow median clypeus, only as wide as frontal lobe; and a strikingly bi-colored mesosoma. The worker caste of R. grandinodis is remeasured and rediagnosed and a lectotype and paralectotypes are designated. A key to the two species, a distribution map, and a short discussion are provided.