Form described by Langton, 1991
Diagnosis (n=1)
Exuviae 6.6mm long.
Cephalothorax: Frontal setae between antennal bases, 90µm long. Thoracic horn 95µm long; ThR 4.8.
Abdomen: Length hook row II 0.49x width tergite II; hooks 105. Tergite II with a median point patch (091t.jpg). Armament of tergites III-V not extending past the anterior adhesion marks; median point bands of tergites III-V noticeably less extensive laterally than the posterior transverse band, deep, extending longitudinally over most of the second and third quarter of the tergite, and more or less rectangular in shape (091-1.jpg , 091c.jpg). Point patches absent on tergites VII and VIII.
Anal segment: Anal lobe ratio 1.3. Anal lobes without fringe. Anal macrosetae more or less equally strong, 0.5x lobe length.
Form keys out at Page 941: Orthocladiinae 352 Cricotopus of the Text Key.
Distribution
England.
(For more information see module IdentifyIt – file: Orthocladiinae).
Ecological notes
Blagdon lake, Avon.