Romblonella longinoi (Hymenoptera: Formicidae), a new species and first record of the genus from Sabah, Malaysia, with a key to the species of Romblonella Wheeler, 1935

A new species of Romblonella Wheeler, 1935 from Sabah represents the first record of the genus for Malaysia. The worker and the associated male alate of Romblonella longinoi sp. n. are described. This new species is easily distinguished from all known species by its posteriorly broadened head capsule and coloration. An identification key to the workers of Romblonella is provided.