Propsilocerus jacuticus

Author: (Zvereva, 1950)

Diagnosis (Data from Sæther, 1997a, n=6/7 unless otherwise stated) (Material in coll. ZSM)
Exuviae 11.9-14.5mm long (m=13.3mm).
Cephalothorax: Frontal setae absent. Thoracic horn 851-960µm long (m=885µm), with small points restricted to apex, which is not bifid or indented; ThR 3.25-3.84 (m=3.61). Precorneal setae, median and lateral antepronotal setae 113-150µm long (m=130µm). Dorsocentral setae 1-2: 176-218, 150-195, seta(e) 3/4: 188-226µm (m=193, 137, 222µm, n=4).
Abdomen: Tergites III-V between the dorsal setae with more or less evenly distributed small points, which are gradually a little larger posteriorly on each segment. Segments II-VI with 3-4 lateral setae.
Anal segment: Fringe of anal lobe of 130-170 short taeniae. Each anal lobe with 8-11 anal macrosetae.

Note: If P. jacuticus is synonymous with Propsilocerus sinicus, then see pupal description in Saether and Wang, 1996a: p. 459.

Species keys out at Page 633: Orthocladiinae 45 Propsilocerus of the Text Key.

NE Europe.
(For more information see module IdentifyIt – file: Orthocladiinae).

Ecological notes
River, lakes.