Csösz & Fisher, 2016
This species is known to occur in rainforests between elevation of 200 m and 520 m (mean: 390 m) of the eastern and southern coasts of Madagascar.
- 1 Identification
- 2 Distribution
- 3 Biology
- 4 Castes
- 5 Nomenclature
- 6 References
A member of the sikorai species-group.
Keys including this Species
Distribution based on Regional Taxon Lists
Distribution based on AntMaps
Distribution based on AntWeb specimens
Check data from AntWeb
The following information is derived from Barry Bolton's New General Catalogue, a catalogue of the world's ants.
- rugosus. Nesomyrmex rugosus Csösz & Fisher, 2016b: 22, figs. 3, 13A-C (w.q.m.) MADAGASCAR.
Unless otherwise noted the text for the remainder of this section is reported from the publication that includes the original description.
Body color: yellow to brown. Body color pattern: concolorous. Absolute cephalic size: 747 μm [650, 839]. Cephalic length vs. maximum width of head capsule (CL/CWb): 1.239 [1.189, 1.277]. Postocular distance vs. cephalic length (PoOc/CL): 0.467 [0.448, 0.493]. Postocular sides of cranium contour, anterior view orientation: converging posteriorly. Postocular sides of cranium contour, anterior view shape: convex. Vertex contour line in anterior view shape: straight or feebly convex. Vertex sculpture: main sculpture rugoso-reticulate, ground sculpture smooth. Gena contour line in anterior view shape: convex. Genae contour from anterior view orientation: strongly converging. Gena sculpture: rugoso-reticulate with feeble areolate ground sculpture. Concentric carinae laterally surrounding antennal foramen: present. Eye length vs. absolute cephalic size (EL/CS): 0.226 [0.21, 0.235]. Frontal carina distance vs. absolute cephalic size (FRS/CS): 0.292 [0.277, 0.312]. Longitudinal carinae on median region of frons: present. Smooth median region on frons: absent. Antennomere count: 12. Scape length vs. absolute cephalic size (SL/CS): 0.816 [0.784, 0.856]. Median clypeal notch count: present. Median carina of clypeus: absent. Spine length vs. absolute cephalic size (SPST/CS): 0.288 [0.253, 0.352]. Minimum spine distance vs. absolute cephalic size (SPBA/CS): 0.221 [0.182, 0.256]. Apical spine distance vs. absolute cephalic size (SPTI/CS): 0.257 [0.191, 0.31]. Propodeal spine shape: straight. Apical distance of pronotal spines vs. absolute cephalic size (PSTI/CS): 0.635 [0.6, 0.692]. Metanotal depression: present. Dorsal region of mesosoma sculpture: rugose with smooth ground sculpture. Lateral region of pronotum sculpture: inconspicuously areolate ground sculpture, main sculpture rugoso-reticulate. Mesopleuron sculpture: smooth ground sculpture, superimposed by dispersed rugulae. Metapleuron sculpture: areolate ground sculpture, superimposed by dispersed rugae. Petiole width vs. absolute cephalic size (PEW/CS): 0.231 [0.2, 0.278]. Dorsal region of petiole sculpture: ground sculpture inconspicuously areolate, main sculpture rogoso-reticulate. Postpetiole width vs. absolute cephalic size (PPW/CS): 0.345 [0.308, 0.376]. Dorsal region of postpetiole sculpture: ground sculpture smooth, main sculpture dispersed rugose.
Holotype worker: Madagascar: Prov. Antsisarana, Masoala National Park, 250 m, -15.33058 N, 50.30279 E, 13.iii.2014, collection code: BLF33157; CASENT0374465, Fisher et al. (California Academy of Sciences, CASENT0374465);
Paratypes: 2 workers, a gyne and a male with the same label data with the holotype under CASENT codes: CASENT763560, BLF33157, (1q, CAS), CASENT0374466, BLF33157, (1w, 1m, CAS); CASENT0377059, BLF32874, (1w, CAS)
The name refers to the coarse, rugose body sculpturing.