Remarks
5 species:
confusa- CA
furcata- CA
minor- introduced in East
tredecimpunctata- CA
triunata
According to Oman's 1938 revision of the genus, P. confusa is found in northern California (San Francisco area) and possibly as far east as Reno, NV, while P. tredecimpunctata has a restricted range in the Los Angeles area. P. furcata, according to the revision, is known from the southern Sierras, where it was described from Sequoia NF.