Key: Step 954. Orthocladiinae 365 Cricotopus

954a. Segment VIII with 4rth lateral seta no larger than setae 1-3 and 5 (091f.jpg). (Frontal setae usually on frontal apotome, only rarely on praefrons.)

Cricotopus triannulatus

954b. Segment VIII with 4th lateral seta larger than the others on that segment (091p.jpg; N.B. occasionally the 4th lateral seta lies a little posterior to the 5th). (Frontal setae between antennal bases or on praefrons.)

Cricotopus curtus
Decision path