Myrmica salina

Poorly known, but most probably M. salina inhabits relatively, wet, often halophytous biotopes in steppes of West Siberia and Kazakhstan. (Radchenko and Elmes 2010)

Identification
A member of the specioides complex of the scabrinodis species group. Radchenko and Elmes (2010) - Based on the rediscovered type material, M. salina obviously belongs to the scabrinodis species group, most probably to the specioides-complex. The worker and queens have a moderately developed horizontal lobe at the base of their scape and a relatively wide frons (FI 0.36). By these features, M. salina could be confused with Myrmica scabrinodis, but the male has the specioides-complex features of a combination of a relatively short scape and short standing hairs on the scape and tibiae. On the other hand, the worker of M. salina well differs from Myrmica curvithorax, which have much narrower frons (FI ≤ 0.30).

Distribution based on Regional Taxon Lists
Palaearctic Region: Austria, Azerbaijan, Croatia, Czech Republic, Georgia, Kazakhstan, Kyrgyzstan, Romania, Russian Federation, Slovenia, Turkey.

Nomenclature

 *  salina. Myrmica scabrinodis var. salina Ruzsky, 1905b: 687 (w.q.m.) RUSSIA & KAZAKHSTAN. Subspecies of schencki: Weber, 1948a: 302. Junior synonym of lonae: Sadil, 1952: 249. Revived from synonymy and raised to species: Arnol'di, 1970b: 1842; Arnol'di & Dlussky, 1978: 534; Seifert, 1988: 25. Junior synonym of lacustris: Radchenko, 1994f: 77. Revived from synonymy: Seifert, 1994: 13; Seifert, 2002a: 96, 99. Senior synonym of ahngeri, georgica, tobiasi: Seifert, 2011: 183. See also: Radchenko & Elmes, 2004: 228; Radchenko & Elmes, 2009c: 520; Radchenko & Elmes, 2010: 254.
 * ahngeri. Myrmica scabrinodis var. ahngeri Karavaiev, 1926f: 66, fig. 3 (w.) RUSSIA. Subspecies of scabrinodis: Arnol'di, 1970b: 1841; Arnol'di & Dlussky, 1978: 534. Junior synonym of specioides: Seifert, 1988b: 16; of scabrinodis: Radchenko, 1994e: 79; of salina: Seifert, 2011: 183.
 * georgica. Myrmica georgica Seifert, 1987: 183, figs. 1-10 (w.m.) GEORGIA. Junior synonym of turcica: Seifert, 1988b: 18; of scabrinodis: Radchenko, 1994e: 79. Revived from synonymy: Radchenko & Elmes, 2004: 231. Junior synonym of salina: Seifert, 2011: 183. See also: Radchenko & Elmes, 2010: 141.
 * tobiasi. Myrmica tobiasi Radchenko & Elmes, 2004: 224, figs. 1-17 (w.q.m.) KAZAKHSTAN. Junior synonym of salina: Seifert, 2011: 183. See also: Radchenko & Elmes, 2010: 307.

Taxonomic Notes
See Radchenko & Elmes (2009) for notes on type specimens.

Description
Radchenko and Elmes (2010) - ''Myrmica scabrinodis var. salina'' was described by Ruzsky (1905: 687) based on workers, queens and males from different places in West Siberia and Kazakhstan. The taxonomic history of M. salina is extremely complicated and rather puzzling because for many decades there were no types (presumed to be lost) and the original description of this species was ambiguous. Here we outline the problem. The original text is in Russian so first we translate the description and some of Ruzsky's further comments (loc. cit., p. 700):

Description: “(workers). Frontal carinae well developed, raised at the base, lobe-like (in typical scabrinodis they are smaller). Lobe at the bend of scape transversally oblique (less oblique than in scabrinodis and less transverse than in lobicornis), and looks like transversal dent or thick scale. Middle part of frontal triangle smooth and shiny. Sides of head dorsum with large reticulation, surface between reticulation punctated but appears shiny. [Propodeal] spines long and straight. Petiolar dorsum angled. Outstanding hairs more sparse [presumably compared to scabrinodis], on the gastral tergites almost absent. Brownish-red with dark brown or blackish-brown head dorsum and first gastral segment; antennae, mandibles, legs and apex of gaster lighter. Length 4.7-5 mm.

(queens). With same features as workers. Colour somewhat darker than in workers, alitrunk with brownish-black patches. Basal half of wings brownish. Length 5-6 mm. (males). Whole head very finely punctato-striated (in typical scabrinodis head, especially on sides and rear part, with quite coarse irregular rugosity). Antennal scape thickened in the middle. Outstanding hairs on the body, legs and antennae sparser [presumably compared to scabrinodis?]. Alitrunk almost without hairs. Colour of wing as in queens. Length of scape as in typical scabrinodis.”

Additional comments: “…This variety is interesting because its queens and workers by the dark colour and by the almost transverse, scale-like lobe at the bend of antennal scape, is similar to M. lobicornis, but its males on main features are similar to M. scabrinodis males and differs only by sculpture of head and sparser pilosity. This species, indubitably, is most similar to the variety schencki Emery, and both are intermediate between scabrinodis and lobicornis. ... M. schencki together with var. salina are intermediate between M. scabrinodis and M. lobicornis, but salina is more close to the first and schencki - to the latter”.

Based on the rediscovered type material, M. salina obviously belongs to the scabrinodis species group, most probably to the specioides-complex. The worker and queens have a moderately developed horizontal lobe at the base of their scape and a relatively wide frons (FI 0.36). By these features, M. salina could be confused with M. scabrinodis, but the male has the specioides-complex features of a combination of a relatively short scape and short standing hairs on the scape and tibiae. On the other hand, the worker of M. salina well differs from M. slovaca, which have much narrower frons (FI ≤ 0.30).

Etymology
Radchenko and Elmes (2010) - from mediaeval Latin salina = salt pan, or salted place being derived from the Latin word salis = salt, here it describes the type habitat “salted marsh”.

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