Lasiomyrma maryatiae

Identification
This species is distinguished from L. gedensis sp. nov. by the straight propedeal dorsum, the absence of an angle of anterior slope of petiolar node and the concave occipital margin of head in full face view, and from L. gracilinoda sp. nov. by the thicker petiolar node, the longer mesopleuron and the strong­ly produced propodeal lobe. Known only from the holotype.

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

Nomenclature

 *  maryatiae. Lasiomyrma maryatiae Terayama & Yamane, 2000: 526, figs. 11-12 (w.) BORNEO.

Description
Worker. HL 0.55 mm; HW 0.45 mm; SL 0.30 mm; CI 82; SI 67; WL 0.65 mm; PW 0.39 mm; PL 0.23 mm; PH 0.23 mm; DPW 0.14 mm; PPL 0.15 mm; PPH 0.16 mm; PPW 0.18 mm; TL 2.2 mm. Head 1.22 times as long as wide, densely punctate, with evenly convex sides and weakly concave occipital margin in full face view. Eye 0.14 mm in maximum diameter. Alitrunk densely punctate, with flat promesonotal and propodeal dorsa; metanotal groove shallow; pro­podeal spine as long as wide at base; propodeal decliv­ity gently sloping to propodeal lobe; propodeal lobe produced posteriorly. Mesopleuron long, its maxi­mum length distinctly longer than its length of ventral margin.Petiole as long as high; node thick, reversed U­ shaped in profile. Postpetiole higher than long, with convex dorsal margin in profile. Gaster with shallow and small punctures that are moderately spaced, in dorsal view 0.49 mm in maxi­mum width. Body blackish brown; mandible and antenna yel­low; legs brown. Holotype. Worker, Poring (550 m), Sabah, Bor­neo, E. Malaysia,  17. III. 1995, Sk. Yamane leg. Tropical Biology and Conserva­ tion Unit, Malaysia Sabah University, Kota Kinabalu. The specific epithet is dedicated to Dr. Maryati Mohamed of Universiti Malaysia Sabah
 * Type depository.
 * Etymology.