Strumigenys morisitai

Identification
Bolton (2000) – This species has such peculiar mandibular morphology that it could not be mistaken for any other.

Distribution based on Regional Taxon Lists
Palaearctic Region: Japan.

Nomenclature

 *  morisitai. Smithistruma morisitai Ogata & Onoyama, 1998: 284, figs. 16-18 (w.) JAPAN. Combination in Pyramica Bolton, 1999: 1673; in Strumigenys: Baroni Urbani & De Andrade, 2007: 124. See also: Bolton, 2000: 449.

Worker
Bolton (2000) - TL 1.7, HL 0.44, HW 0.32, CI 73, ML 0.13-0.16, MI 30-35, SL 0.20-0.22, SI 63-69, PW 0.20-0.21, AL 0.42-0.45 (2 measured). In full-face view the club-like basal portion of the mandible with numerous appressed short spatulate hairs, these hairs slightly shorter and somewhat more dense than those on the clypeus. Entire dorsum of head finely reticulate-punctate, without standing hairs of any form; the flagellate apicoscrobal is the only specialised hair on the head. Eye small, of only 4 ommatidia in total and just visible in full-face view. Dorsal alitrunk, declivity of propodeum and dorsum of petiole finely reticulate-punctate. Mesopleuron and metapleuron smooth and shining. Basigastral costulae short but sharply defined, occurring across the width of the first gastral tergite, without a central costula-free area. Postpetiole disc and gaster smooth.

Type Material
Bolton (2000) - Holotype and paratype workers, JAPAN: Higashi, Kunigami-gun, Okinawa I., 14.xi.1975 (T. Abe) (KU, ) [examined].