Key: Step 946. Orthocladiinae 357 Cricotopus

946a. Frontal setae on frontal apotome. Armament of tergites III-VI somewhat trapezoidal, deep, occupying the 2nd and 3rd quarters of the tergites (087a.jpg).

Cricotopus algarum

946b. Frontal setae on praefrons. Tergite armament less extensive than above, on III frequently reduced to a small transverse median band (087k.jpg).

Cricotopus caducus
Decision path