Cricotopus pe9

Form described by Langton, 1991

Exuviae 3.7-4.5mm long (n=5).
Cephalothorax: Cephalic tubercles absent. Thoracic horn 140-190µm long; ThR 5.4-8.0 (n=5). Second dorsocentral seta obviously thinner than the other three. Thorax granulate, especially anteriorly.
Abdomen: Length hook row II 0.55 of width tergite II (n=1); hooks 61, 86 (n=2). Median point bands of tergites III-VI transverse, narrow and confined to the third quarter of the segment, shorter than the posterior band to which it is joined at each end. Point patches absent on tergites VII and VIII. Pedes spurii B present on segments II and III, usually conspicuous.
Anal segment: Anal lobe ratio 1.8 (n=1). Anal lobes without fringe. Anal macrosetae more or less equally strong, 0.73x length of the anal lobe (n=1).

Form keys out at Page 928: Orthocladiinae 339 Cricotopus of the Text Key.

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

Ecological notes