Strumigenys perturba

Identification
Bolton (2000) – A member of the koningsbergeri complex in the Strumigenys koningsbergeri-group. See Strumigenys koningsbergeri.

Distribution based on Regional Taxon Lists
Indo-Australian Region: Borneo, Indonesia, Malaysia.

Nomenclature

 *  perturba. Strumigenys perturba Bolton, 2000: 850 (w.q.) BORNEO.

Worker
Holotype. TL 3.0, HL 0.88, HW 0.76, CI 86, ML 0.39, MI 44, SL 0.46, SI 61, PW 0.35, AL 0.80. With characters of koningsbergeri-complex. Preocular concavity forms a short, shallowly depressed basin on ventral surface of head. Upper scrobe margins not constricted above eye so that only extreme outer arc of eye visible in full-face view, or eye wholly concealed. Upper scrobe margin with minute irregularities from which small hairs arise, but without a row of triangular teeth, without a jagged appearance. Depression across posterior vertex of head broad but very shallow. Pronotum without a pair of short standing hairs close to anterodorsal margin. Pronotal humeral hair extremely short, straight and stubby. All erect hairs on cephalic dorsum, and single pair on mesonotum, extremely short. Katepisternum mostly smooth, metapleuron usually with a small smooth patch. Bullae of femoral glands form small but conspicuous ovals on middle and hind legs. Lamella on propodeal declivity broad, in profile its posterior (free) margin shallowly convex. Standing hairs on first gastral tergite short, weakly expanded and flattened toward the apex.

Paratypes. TL 2.7-3.1, HL 0.81-0.91, HW 0.69-0.78, CI 85-87, ML 0.35-0.42, MI 43-47, SL 0.42-0.48, SI 58-62, PW 0.34-0.37, AL 0.72-0.84 (10 measured).

Type Material
Holotype worker, Malaysia: Sabah, Crocker Range, 1200 m., 19.v.1987, #31 a (Burckhardt & Lobl). Paratypes. 21 workers and 2 queens with same data as holotype; 3 workers, Crocker Range, 1600 m., 18.v.1987, #30a (Lobl & Burckhardt); 6 workers, Sabah, Poring Hot Springs, 7.v.1987, 500 m., #15a (Burckhardt & Lobl) (MHNG,, ).