4. Myrmica agilis ^HNS.

M. pallide ferruginea; abdomine nigro, basi pallido, laevissimo et politissimo.

Worker. Length 1 line. Head, antennae, thorax and legs pale rufotestaeeous; head and thorax very smooth and shining; the flagellum clavate, the club consisting of three joints, the basal joint of the flagellum as long as the three following. Thorax swollen anteriorly, the metathorax with two minute spines. Abdomen ovate, the first node of the peduncle elongate, the second subglobose.

Hab. Malacca.