Polyrhachis jerdonii

Known from a few isolated collections from Sri Lanka.

Identification
Kohout (2006) - A member of the Polyrhachis cryptoceroides species group. Similar to Polyrhachis thailandica. Both have a laterally marginate mesosoma and a weakly indicated metanotal groove. They differ in the general sculpturation of the body that, in P. jerdonii, is very finely reticulate-punctate, while it is distinctly more coarsely sculptured in P. thailandica.

Distribution based on Regional Taxon Lists
Oriental Region: Sri Lanka.

Nomenclature

 *  jerdonii. Polyrhachis jerdonii Forel, 1892m: 17 (footnote) (w.) SRI LANKA. Forel, 1893c: 17 (q.). Combination in P. (Myrmhopla): Emery, 1925b: 191. [Also described as new by Forel, 1893c: 17.] See also: Kohout, 2006a: 146.

Worker
Kohout (2006) – syntypes: TL c. 4.94 - 5.29; HL 1.25 - 1.31; HW 1.26 - 1.37; CI 101 - 104; SL 1.22 - 1.25; SI 91 - 97; PW 1.18 - 1.31; MTL 1.31 - 1.40 (3 workers measured). additional worker: TL c. 5.09; HL 1.28; HW 1.29; CI 101; SL 1.22; SI 94; PW 1.22; MTL 1.34 (1 worker measured).

Type Material
Kohout (2006) – Syntype workers. Type locality: Sri Lanka (Yerbury), MHNG (examined).