Cricotopus iso-pe4

Form described by Langton, 1991

Exuviae 5.6-5.7mm long (n=3).
Cephalothorax: Frontal setae on frontal apotome, 205µm long (n=1). Thoracic horn long (235, 310µm), dark and smooth; ThR 12.4, 9.4 (n=2) (085g.jpg). Precorneal setae not on conspicuous mounds, setae of similar length and thickness.
Abdomen: Length hook row II 0.46 of width tergite II (n=1); hooks 94-114 (n=3). Pedes spurii B II present. Segments II-VI without conspicuously dark posterior transverse bands. Point patches absent on tergites VII and VIII.
Anal segment: Anal lobe ratio 2.0 (n=1). Anal lobes without fringe. Length of anal macrosetae 0.36, 0.38x length of the anal lobe (n=2).

Form keys out at Page 903: Orthocladiinae 314 Cricotopus of the Text Key.

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

Ecological notes
Loch Loyal, north Scotland.