Epeorus (Caucasiron) turcicus Hrivniak, Tuerkmen & Kazanci, 2019 Figs 36, 37, 38

Type locality.

Turkey, Artvin Province, Camili Village, Merata Plateau, unnamed mountain stream; 41°26'30"N / 42°04'41"E; 2190 m a.s.l.

Distribution.

North-eastern Turkey, Georgia (Fig. 36). Known only from few sites in the Camili (Machakheli) District in Turkey and central Georgia.

Habitat.

Larvae inhabit small streams at middle and high altitudes. Altitudinal range of sampling sites 928-2388 m a.s.l. (Fig. 36).

Main morphological diagnostics of larvae.

(i) femora with medial hypodermal spot (Fig. 37F); (ii) abdominal terga V-VII with stripe-like medial macula with lateral stripes extended dorso-posteriorly (Fig. 37G, arrows); (iii) abdominal sterna without coloration pattern, nerve ganglia often coloured (Fig. 37B, H); (iv) gill plates VII (in natural position from ventral view) narrow (Figs 37I, 38H-K); (v) setae on abdominal terga hair-like like (Fig. 38E); (vi) tergum X without postero-lateral projections (Fig. 38L); (vii) gill plates III with well-developed projection (Fig. 38G).

Remarks.

Taxonomy. This species described based on larvae collected from Pontic Mts. (Hrivniak et al. 2019). Imagines not described. The type series is currently deposited in IECA and collection of N. Kazancı and G. Türkmen (Hacettepe University, Department of Biology, Biomonitoring Laboratory, Turkey).