Sometimes considered to be closely related to P. bicalcaratum, but this is not supported by molecular data; there is some evidence, however, to suggest that present species forms a clade with P. katsumatae, P. bicalcaratum, P. inopinatum and P. chalcurum to the exclusion of the remaining members of the genus#R. Monotypic.
S Vietnam in SC Annam (N to 14#R N), and E Cambodia (provinces of Ratanakiri and Mondulkiri). Reported occurrence also in Laos and Thailand appears extremely unlikely.
Food and feeding
Status and conservation
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