Propsilocerus lusatiensis

Author: Barthelmes, 1964

Diagnosis (Material in coll. ZSM)
Exuviae 7.6mm long (n=1).
Cephalothorax: Frontal setae on praefrons. Thoracic horn 600µm long, small-toothed, bifid at apex or irregularly jagged apically (037b.jpg); ThR 3.5 (n=1). Precorneal setae 1,2: 75-120; 50-100µm long (n=3). Median antepronotal setae 1-3: 80, 100; 85, 110; 130, 143µm long (n=2); lateral antepronotal setae 1,2: 55, 75; 110, 120µm long (n=2). Dorsocentral setae 1-4: 120, 163; 133, 150; 115, 155; 100, 138µm long (n=4).
Abdomen: Tergites without a median transverse row of strong points. 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. Fourth lateral seta of segments III and IV thin and less than 100µm long. Lateral setae 1-4 of segment IV: 50, 110, 43, 80µm long (n=1). Three or four lateral setae on segments II-VI, not taeniate; at least one lateral seta on segment VII, and all those on segment VIII taeniate.
Anal segment: Anal lobe ratio 1.7. Anal macrosetae 5(?); 0.46x lobe length. (n=1). Fringe of anal lobe with 32/33 taeniae; longest 120µm, 0.22x length of the anal lobe (n=1).

Species keys out at Page 634: Orthocladiinae 46 Propsilocerus of the Text Key.

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

Ecological notes
Stagnant water.