Author: (Kieffer, 1924)
Diagnosis (in part after Hirvenoja, 1973a - in italics)
Exuviae 2.7-3.9mm long (n=11).
Cephalothorax: Cephalic tubercles absent; frontal setae on praefrons. Thoracic horn absent.
Abdomen: Length hook row II 0.5-0.6 of width tergite II (n=4); hooks 56-87 (n=8). Strong shagreen on tergites III-V, anterior and posterior patches separated, anterior patches extending past the anterior adhesion marks into the antero-lateral corners of the tergites (087l.jpg). Point patches absent on tergites VII and VIII. Pedes spurii B present on segment II. Dorsal setae I-VIII: 4,4,4,5,5,5,5,2; Lateral setae I-VIII; 1,3,3,3,3,3,3,4; Ventral setae I-VIII: 1,4,4,4,4,4,4,0; lateral seta 4 smaller than the other lateral setae on VIII.
Anal segment: Anal lobe ratio 1.6 (n=1). Anal lobes without fringe. Anal macrosetae more or less equally strong, 0.42-0.65x length of the anal lobe (n=7).
(Linked adult male: Langton and Pinder, 2003a)
Species keys out at Page 944: Orthocladiinae 355 Cricotopus of the Text Key.
Distribution
Holarctic species: widespread in Europe.
(For more information see module IdentifyIt – file: Orthocladiinae).
Ecological notes
Lakes and pools.