Sigara (Subsigara) distincta (Fieber, 1848)

Material examined. Kysihýbeľ [pond], 48°27′30″N, 18°56′13″E, 487 m a.s.l., 13.ix.2011, 3 ♂♂ 2 ♀♀, lgt. M. Svitok, det. B. Reduciendo Klementová (coll. Dept. of Ecology and General Biology, Technical University in Zvolen, Slovakia - DEGB); Tatra Mts., Jamské pleso [glacial lake], 49°07′58″N, 20°00′44″E, 1453 m a.s.l., 21.ix.2010, 1 ♂, lgt. M. Očadlík, det. B. Reduciendo Klementová (coll. DEGB); Nová Sedlica [pond], 49°05′02″N, 22°27′41″E, 637 m a.s.l., 25.viii.2012, 1 ♀, lgt. M. Svitok, det. B. Reduciendo Klementová (coll. DEGB); Nová Sedlica [pond], 49°05′02″N, 22°27′41″E, 637 m a.s.l., 23.iv.2013, 1 ♀, lgt. M. Svitok, det. B. Reduciendo Klementová (coll. DEGB); Lipovec [pond], 49°07′28″N, 18°55′33″E, 382 m a.s.l., 17.iv.2013, 1 ♂, lgt. M. Svitok, det. B. Reduciendo Klementová (coll. DEGB); Jastrabá [pond], 48°38′21″N, 18°57′37″E, 405 m a.s.l., 15.iv.2013, 5 ♂♂ 5 ♀♀, lgt. M. Svitok, det. B. Reduciendo Klementová (coll. DEGB); Alekšince [pond], 48°22′19″N, 17°57′14″E, 151 m a.s.l., 20.iv.2009, 1 ♀, lgt. J. Cunev, det. B. Reduciendo Klementová (coll. DEGB); Tatra Mts., Bielovodská dolina valley [unknown], 49°13′59″–49°12′40″N, 20°06′02″–20°06′19″E, 1050-1170 m a.s.l., 9.viii.1967, 1 ♀, lgt. J. L. Stehlík, det. P. Kment (coll. Moravian Museum, Brno, Czech Republic).

Remarks. In Slovakia, S. distinca dwells in a very wide variety of environmental conditions: elevation: 151– 1453 m, pH: 5.3–9.2, conductivity: 9–580 µS.cm -1. The species is occasionally found in sympatry with S. striata.

Distribution. Sigara distincta is widespread in Europe, Siberia and north Africa, but is lacking in the southwestern part of Europe (Jastrey 1981, Nieser 1982). This species tolerates a wide range of habitats but prefers stagnant waters in higher elevations with low pH (5−6) and conductivity (<200 µS.cm -1) (Mercken 1989, Lock et al. 2013).