Resemble P. hygrophila but usually smaller. Female carapace blackish with dark greenish-brown median and lateral bands. Tune fork marking rather indistinct. White hairs along margins are reduced or lacking in this species. Abdomen dark brown with brown median band which contains vague chevrons towards the rear. The median band enclose a slightly darker cardiac mark with indistinct black borders at sides. Paired white spots distinctive. Leg dark greenish-brown with indistinct greenish-black annulations.