Cricotopus lestralis

Author: (Edwards, 1924)

(See Oliver and Dillon, 1988a)
Cephalothorax: Antennal sheath base a little swollen, rounded, smooth. Thoracic horn toothed apically. Precorneal setae not on conspicuous mounds.
Abdomen: Armament of tergite II not resembling that on III. Armament of tergites III-V extending into the antero-lateral corners past the anterior adhesion marks; median and posterior transverse bands completely fused; on tergite VI these bands are joined medially to produce a wine glass shaped patch (rarely on both sides of the posterior adhesion marks as well), the points of the median bands in this tergite grading into the antero-lateral shagreen. Point patches absent on tergites VII and VIII. Small pedes spurii B present on segment II. Sternite III with anterior two-thirds to three-quarters of central area with sparsely distributed, fine shagreen. Five lateral setae on segment VIII. Fourth lateral seta of segment VIII obviously much stronger than at least one of the other three.
Anal segment: Anal lobes without fringe. Anal macrosetae more or less equally strong, more than half the length of the lobes.
(Linked adult male: Hirvenoja, 1973a)

Species keys out at Page 939: Orthocladiinae 350 Cricotopus of the Text Key.

Holarctic species: Arctic Scandinavia.
(For more information see module IdentifyIt – file: Orthocladiinae).

Ecological notes
Far northern pools and streams.