Strumigenys hyletha

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

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

Nomenclature

 *  hyletha. Strumigenys hyletha Bolton, 2000: 843, figs. 447, 487, 502 (w.) INDONESIA (Sumatra).

Worker
Holotype. TL 2.7, HL 0.80, HW 0.65, CI 81, ML 0.40, MI 50, SL 0.46, SI 71, PW 0.32, AL 0.72. With characters of koningsbergeri-complex. Preocular concavity forms a broad depression on ventral surface of head. Upper scrobe margins evenly divergent posteriorly, shallowly convex above eye; most of outer arc of eye visible in full-face view but its inner margin mostly concealed by the scrobe margin. Edge of upper scrobe margin without a row of triangular teeth and lacking a decidedly jagged appearance. Depression across posterior vertex of head broad and shallow. Pronotum with a pair of short standing hairs close to anterodorsal margin. Pronotal humeral hair stiff, straight and simple. A single erect pair of hairs on mesonotum. Katepisternum and at least upper half of metapleuron smooth. Bullae of femoral glands absent on middle and hind legs. Lamella on propodeal declivity narrow, its posterior (free) margin concave. Standing hairs on first gastral tergite narrowly long-spatulate or their distal sections flattened and broadening to the apex; apices blunt, truncated or frayed.

Paratypes. TL 2.7-2.8, HL 0.79-0.86, HW 0.63-0.69, CI 80-83, ML 0.38-0.42, MI 48-50, SL 0.43-0.48, SI 67-71, PW 0.30-0.33, AL 0.70-0.78 (5 measured).

Type Material
Holotype worker (upper specimen of two on pin), Indonesia: Sumatra, Jambi, km. 15 Sungaipenuh to Tapan, 1450 m., 9.xi.1989, #10 (Agosti, Lobl & Burckhardt). Paratypes. 10 workers with same data as holotype (MHNG, ).