punctate

Propodeum openly rugoso-punctate, the median channel single, distinct, no median basin.

Operative—scarification, either punctate or linear, and erosion with the curette.

In fact, it differs from Stephanopyxis, which is also sometimes punctate, only in the absence of spines.

Valve lanceolate, somewhat unsymmetrical, subtly punctate, with pseudoraphe quite distinct.

Valve linear, capitate at each end and tumid in the middle; stri distinctly punctate; pseudoraphe indistinct, or not apparent.