Myrmecina nesaea

Know only from the holotype, a dealate queen collected in 1921.

Distribution
Sebesi Island.

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

Nomenclature

 *  nesaea. Myrmecina nesaea Wheeler, W.M. 1924b: 247 (q.) INDONESIA (Sebesi I.).

Queen
(dealated). Length 2.2 mm.

Head as broad as long and as broad in front as behind, with convex sides and posterior corners and broadly concave posterior border. Eyes rather large and moderately convex, about one fifth as long as the sides of the head and situated a little in front of its median transverse diameter. Mandibles with rather oblique apical borders bearing two small acute terminal and four or five indistinct basal denticles. Clypeus short, rather flat, without carinae, but somewhat elevated on the sides and behind, its anterior border transverse, sinuate on each side, with a very small median denticle. Frontal area distinct, short and transverse, crescentic; frontal groove lacking; frontal carinae short, subparallel, widely separated. Antennal scapes scarcely reaching the posterior corners of the head; joints 2-7 of the funiculus very transverse, more than twice as broad as long; two basal joints of club not longer than broad, together much shorter than the swollen terminal joint. Thorax short and convex, slightly narrower than the head. Epinotum without any traces of small basal teeth, the spines short, acute, a little longer than broad at their bases. Petiole square, as broad as long; postpetiole a little broader, broader than long, more rounded anteriorly and on the sides. Gaster subcircular, convex, its anterior border somewhat truncated. Legs moderately long. the femora and tibiae only slightly thickened, the former curved at their bases.

Smooth and shining; mandibles with a few small, scattered piligerous punctures. Head very finely and densely punctate but shining; pronotum and pleurae irreguiarly and rather coarsely punctate-rugose; mesonotum smooth and shining in front, the posterior half with four strong longitudinal rugae converging to the scutellum, which bears six somewhat finer rugae. Sculpture of the petiole and postpetiole similar to that of the scutellum. Gaster, legs and antennal scapes very smooth and shining, with numerous very fine piligerous punctures.

Pilosity white, suberect, rather long and fine, of uneven length, conspicuous and abundant on the body and scapes, shorter and somewhat more reclinate on the legs.

Black, with a reddish tinge; mandibles, clypeus, cheeks, tip of gaster, antennae and legs, including the coxae. red.

Type Material
A single specimen from Sebesi, Oct, 26, 1921 (Dammerman).

Okido et al. (2020) - Syntype queen, INDONESIA: Sebesi I. (Dammerman) (depository unknown) [not seen].

References based on Global Ant Biodiversity Informatics

 * Chapman, J. W., and Capco, S. R. 1951. Check list of the ants (Hymenoptera: Formicidae) of Asia. Monogr. Inst. Sci. Technol. Manila 1: 1-327
 * Okido H. 2011. Biogeography of the ant genus Myrmecina from Asia (Hymenoptera; Formicidae). Kankyo Kanri 40: 60-64.
 * Satria R., and S. Yamane. 2019. Two new species of the ant genus Myrmecina (Hymenoptera: Formicidae: Myrmicinae) from Sumatra. Zoosystematica Rossica 28: 183–193.
 * Wheeler, William Morton. 1924. Ants of Krakatau and Other Islands in the Sunda Strait. Treubia. 5(1-3):1-20.