Form described by Langton, 1991
Diagnosis
Cephalothorax: Thoracic horn coarsely toothed marginally and armed between, not conspicuously curved at apex.
Abdomen: Armed tergites with a conspicuous posterior transverse band or row of large points. Tergites without a median transverse row of strong points. Apical toothed bands present on segments II-IV. Sternite VIII of male armed with a row of strong points on a pair of posterior swellings; of female with these points elevated on strongly projecting flaps. Lateral setae of segments II-VI 3 or 4, over 100µm long. At least one lateral seta on segment VII, and all those on segment VIII taeniate.
Anal segment: Anal macrosetae displaced forwards on the anal lobes.
Form keys out at Page 629: Orthocladiinae 41 Euryhapsis of the Text Key.
Distribution
Palaearctic species: Russian Far East, France.
(For more information see module IdentifyIt – file: Orthocladiinae).