Parametriocnemus pe3

new form

Diagnosis (n=3)
Exuviae 3.9-4.8mm long.
Cephalothorax: Thoracic horn 340-372µm long, narrow, curved gently with the apex more strongly bent in the opposite direction (150m.jpg); ThR 6.7-7.7.
Abdomen: Posterior points of tergites III-V smaller, not elevated on a transverse swollen mound (065l.jpg); posterior points of tergite II not much smaller than those on tergite III. Lateral setae of segment VIII not at all taeniate, usually three strong, stiff, and one long, very thin; lateral setae of segment VII very thin.
Anal segment: Anal lobe ratio 1.5-1.8. Length anal macrosetae 0.83-1.0x length of the anal lobe.

Species keys out at Page 689: Orthocladiinae 101 Parametriocnemus of the Text Key.

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

Ecological notes
Southern streams.