Key: Step 578. Diamesinae 54 Diamesa

578a. Best developed dorsal teeth narrow-triangular (031e.jpg).

Step 579. Diamesinae 55 Diamesa

578b. Best developed dorsal teeth large (about 100µm long), golden to brown, flat-triangular, basal mound generally not distinct, OR if smaller, black tipped.

Diamesa Pe 3 Langton 1984

Step 580. Diamesinae 56 Diamesa
Decision path