Catalogue of the hymenopterous insects collected at Sarawak, Borneo; Mount Ophir, Malacca; and at Singapore, by A. R. Wallace. Author Smith, F. text Journal of the Proceedings of the Linnean Society of London, Zoology 1857 2 42 88 http://antbase.org/ants/publications/2588/2588.pdf journal article 2588 D09C3FFA-7EB5-4A2D-A55E-A3229619A2A2 5. Formica festina . F. nigra, nitida; flagello fulvo; thoracesubtus, metathorace pedibusque et petiolo pallide ferrugineis; abdomine subtus piceo. Female. Length 9-10 lines. Black and shining: head oblong-quadrate; the mandibles and anterior margin of the face rufo-piceous; the flagellum fulvous. Thorax: beneath, the sides, the metathorax and the legs, pale ferruginous; wings subhyaline, their nervures ferruginous; scale of the abdomen pale ferruginous, ovate and slightly emarginate above; the posterior margins of the segments of the abdomen, above, pale rufo-testaceous; beneath, entirely pale. Hab. Borneo (Sarawak). This species closely resembles the European species F. ligniperda -in fact appears to be the exotic form of that insect.