Platystethynium (Platypatasson) sp.

Discussion. Whether the material examined represents one or several species and whether it (they) are the same as one or both species described from Argentina by Ogloblin (1959b) is not yet known. The length and position of the body setae differ somewhat from Ogloblin’s illustrations.

Distribution. Canada: ON, QC. USA: MI, MO, OH, NC, SC, TN, VA.