Cricotopus obnixus

Author: (Walker, 1856)

Diagnosis (in part after Hirvenoja, 1973a - in italics)
Exuviae 3.0-3.3mm long.
Cephalothorax: Thoracic horn smooth or with minute spinules apically. Thoracic horn elongate oval, 139-143µm long, 15-26µm wide (n=3). Thorax at most feebly granulate. Precorneal setae not on conspicuous mounds.
Abdomen: Hook row II with 2-3 rows; on tergites II-VI the anterior and posterior spine fields not separated. Pedes spurii B absent. Apical spinule band of tergite III present. Point patches absent on tergites VII and VIII. Dorsal setae I-VIII: 3,4,4,5,5,5,5,2; Lateral setae I-VIII: 1,3,3,3,3,3,3,4; Ventral setae I-VIII: 1,3,4,4,4,4,4,1, lateral seta 4 not stronger than the other lateral setae.
Anal segment: Anal lobes without fringe.
(Linked adult male: Langton and Pinder, 2003a)

Species keys out at Page 913: Orthocladiinae 324 Cricotopus of the Text Key.

Widespread in Europe (not Mediterranean).
(For more information see module IdentifyIt – file: Orthocladiinae).

Ecological notes
Pools and lakes.