Nesomyrmex reticulatus

AntWiki: The Ants --- Online
Nesomyrmex reticulatus
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Myrmicinae
Tribe: Crematogastrini
Genus: Nesomyrmex
Species group: sikorae
Species: N. reticulatus
Binomial name
Nesomyrmex reticulatus
Csösz & Fisher, 2016

Nesomyrmex reticulatus casent0418497 p 1 high.jpg

Nesomyrmex reticulatus casent0418497 d 1 high.jpg

Specimen Labels

This species is known to occur in dry forests in lowlands between 50 m and 130 m (mean: 94 m) of the western and southern coasts of Madagascar.

Identification

A member of the sikorai species-group.

Keys including this Species

Distribution

Latitudinal Distribution Pattern

Latitudinal Range: -16.37667° to -23.52083°.

   
North
Temperate
North
Subtropical
Tropical South
Subtropical
South
Temperate

Distribution based on Regional Taxon Lists

Malagasy Region: Madagascar (type locality).

Distribution based on AntMaps

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Distribution based on AntWeb specimens

Check data from AntWeb

Countries Occupied

Number of countries occupied by this species based on AntWiki Regional Taxon Lists. In general, fewer countries occupied indicates a narrower range, while more countries indicates a more widespread species.
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Estimated Abundance

Relative abundance based on number of AntMaps records per species (this species within the purple bar). Fewer records (to the left) indicates a less abundant/encountered species while more records (to the right) indicates more abundant/encountered species.
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Biology

Castes

Worker

Images from AntWeb

Nesomyrmex reticulatus casent0418497 h 2 high.jpgNesomyrmex reticulatus casent0418497 p 2 high.jpgNesomyrmex reticulatus casent0418497 d 2 high.jpg
Holotype of Nesomyrmex reticulatusWorker. Specimen code casent0418497. Photographer Erin Prado, uploaded by California Academy of Sciences. Owned by CAS, San Francisco, CA, USA.

Queen

Images from AntWeb

Nesomyrmex reticulatus casent0073583 h 1 high.jpgNesomyrmex reticulatus casent0073583 d 1 high.jpgNesomyrmex reticulatus casent0073583 p 1 high.jpgNesomyrmex reticulatus casent0073583 l 1 high.jpg
Queen (alate/dealate). Specimen code casent0073583. Photographer Erin Prado, uploaded by California Academy of Sciences. Owned by CAS, San Francisco, CA, USA.

Nomenclature

The following information is derived from Barry Bolton's Online Catalogue of the Ants of the World.

  • reticulatus. Nesomyrmex reticulatus Csösz & Fisher, 2016b: 20, figs. 3, 11A-C (w.q.) MADAGASCAR.

Unless otherwise noted the text for the remainder of this section is reported from the publication that includes the original description.

Description

Worker

Body color: yellow; brown. Body color pattern: concolorous. Absolute cephalic size: 511 μm [472, 545]. Cephalic length vs. maximum width of head capsule (CL/CWb): 1.151 [1.125, 1.18]. Postocular distance vs. cephalic length (PoOc/CL): 0.462 [0.449, 0.476]. Postocular sides of cranium contour, anterior view orientation: converging posteriorly. Postocular sides of cranium contour, anterior view shape: strongly convex. Vertex contour line in anterior view shape: slightly concave. Vertex sculpture: main sculpture homogeneously forked costate, ground sculpture areolate. Gena contour line in anterior view shape: convex. Gena contour from anterior view orientation: strongly converging. Gena sculpture: rugoso-reticulate with areolate ground sculpture. Concentric carinae laterally surrounding antennal foramen: present. Eye length vs. absolute cephalic size (EL/CS): 0.238 [0.224, 0.254]. Frontal carina distance vs. absolute cephalic size (FRS/CS): 0.322 [0.310, 0.335]. Longitudinal carinae on median region of frons: absent. Smooth median region on frons count: absent. Antennomere count: 12. Scape length vs. absolute cephalic size (SL/CS): 0.704 [0.679, 0.72]. Median clypeal notch: present. Median carina of clypeus: absent. Spine length vs. absolute cephalic size (SPST/CS): 0.236 [0.224, 0.257]. Minimum spine distance vs. absolute cephalic size (SPBA/CS): 0.254 [0.235, 0.275]. Apical spine distance vs. absolute cephalic size (SPTI/CS): 0.267 [0.244, 0.284]. Propodeal spine shape: straight; triangular, blunt. Apical distance of pronotal spines vs. absolute cephalic size (PSTI/CS): 0.629 [0.608, 0.65]. Metanotal depression: present. Dorsal region of mesosoma sculpture: areolate ground sculpture, superimposed by dispersed rugae. Lateral region of pronotum sculpture: areolate ground sculpture, main sculpture dispersed costate. Mesopleuron sculpture: areolate ground sculpture superimposed by dispersed rugulae. Metapleuron sculpture: areolate ground sculpture superimposed by dispersed rugulae. Petiole width vs. absolute cephalic size (PEW/CS): 0.235 [0.222, 0.242]. Dorsal region of petiole sculpture: ground sculpture areolate, main sculpture absent. Postpetiole width vs. absolute cephalic size (PPW/CS): 0.37 [0.339, 0.386]. Dorsal region of postpetiole sculpture: ground sculpture areolate, main sculpture absent.

Type Material

Holotype worker: Madagascar: Prov. Toliara, Forêt de Kirindy, 15.5 km 64° ENE Marofandilia, 100 m, -20.045 N, 44.66222 E, 28.xi.2001, collection code: BLF04604; CASENT0418497, Fisher-Griswold Arthropod Team, beating low vegetation tropical dry forest (California Academy of Sciences, CASENT0418497); Paratypes: 3 workers and a gyne with the same label data with the holotype under CASENT codes: CASENT0473935, BLF04605, (1w, CAS); CASENT0418443, BLF04604, (1Q, CAS); CASENT0418447, BLF04604, (1w, CAS); CASENT0418482, BLF04604, (1w, CAS).

Etymology

The name refers to the fine, micro-reticulate body sculpturing.

References