Catalogue of the hymenopterous insects in the collection of the British Museum. Part VI. Formicidae.
Author
Smith, F.
text
1858
British Museum
London
http://antbase.org/ants/publications/8127/8127.pdf
book
8127
13.
Pheidole rugosa
. B.M.
Worker. Length 3 1/2 lines.- - Ferruginous and very pubescent: the head very large, deeply emarginate behind and with a deeply impressed central channel, extending to the anterior margin of the face; the head and thorax closely and coarsely punctured, the latter narrowed behind, and deeply strangulated between the meso- and metathorax, the latter armed with two acute spines, and obliquely truncate. Abdomen ovate; the first segment with a number of fine longitudinal carinae, which intermingle at its base, but run parallel at its apex; the following segments more faintly carinate.
Hab
. Ceylon.