Protonemura aculeata Theischinger, 1976

Şəki-Zaqatala region: 20: 4♀ (HNHM); 25: 1♀ (HNHM), 1♂ 1♀ (LMEE); 34: 1♂ (HNHM).

Remarks. A common species in the Greater Caucasus (Georgia, Krasnodar Krai, Karachay-Cherkessia, Kabardino-Balkaria, North Ossetia), Lesser Caucasus (Armenia, Georgia), the Pontic region of Anatolia and the Alborz of Iran (Theischinger 1976, Zhiltzova 1988, Vinçon & Zhiltzova 2004). It emerges in spring, and was reported to be highly variable in the whole of its range (Zhiltzova 1988, Vinçon & Zhiltzova 2004). The Azerbaijan specimen was found along fast, often cascading streams of the Greater Caucasus in May. New for the fauna of Azerbaijan.