Capnia arensis Zhiltzova 1964
Previous records from Turkey: Zwick (1975), Kazanci (1982, 2008, 2009).
Material examined. Above Kayabasi, south Sögüt, Ak Daglari, 29°51'E / 36°57'N, 6-V-97, 1♀ (Vinçon coll.), Rize, Ovitdagi gecidi, S. slope of the pass, 2600 m a.s.l., 40°48'E / 40°37'N, 12-V-97, 4♂ (Vinçon coll.) .
Affinities. C. arensis belongs to the pedestris group that has a mainly central Asian distribution (Zwick & Sivec 1980).
Ecology. Orophilic, stenothermic cold water species, occurring in fast flowing and rather large mountain streams, mainly between 1000 and 2000 m a.s.l. (Zhiltzova 1964) and up to 2600 m in the Eastern Pontic Mountains. The adults emerge in spring (II- VI) and are often captured on snow.
Distribution. Caucasus, Armenia and Anatolia. In Anatolia, it was only known from the Ankara region (Zwick 1975, Kazanci 1982), but its distribution extends over the whole peninsula, from the eastern Pontic Mountains up to the south-western coast (Ak Daglari) (Fig. 12).