Author: Hirvenoja, 1973
Diagnosis (in part after Hirvenoja, 1973a - in italics)
Exuviae 3.8-4.2mm long (n=5).
Cephalothorax: Frontal setae on frontal apotome, 170, 195µm long (n=3). Thoracic horn slender, apically pointed, 180-315µm long; ThR 5.1-12.4 (n=6). Precorneal setae arise from conspicuous mounds (084i.jpg).
Abdomen: Length hook row II 0.46-0.55 of width tergite II (n=3), 62-90 hooks (m=72.9, n=15) in 2 rows. Pedes spurii B present on segment II only. Strong shagreen on tergites (II)III-VI; anterior and posterior fields not separated. Median point patch and posterior transverse band of tergite III fused (084j.jpg). Point patches absent on tergites VII and VIII. 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; 1,4,4,4,4,4,4,1; lateral seta 4 on VIII not stronger than other lateral setae.
Anal segment: Anal lobes without fringe. Length of anal macrosetae 0.47-0.67x length of the anal lobe (n=4).
(Linked adult male: Langton and Pinder, 2003a)
Species keys out at Page 901: Orthocladiinae 312 Cricotopus of the Text Key.
Distribution
Widespread in Europe (not Mediterranean).
(For more information see module IdentifyIt – file: Orthocladiinae).
Ecological notes
Ponds.