The larvae feed on very dark, blue-green (black)
algae (
cyanobacteria) growing on tree trunks.
Subspecies
P. p. pauli (Sierra Leone, Liberia, Ivory Coast, Ghana, Togo, Benin, Nigeria, western Cameroon)
P. p. abri Collins & Larsen, 2001 (south-eastern Senegal, western Guinea)
P. p. alberta Hulstaert, 1924 (western Tanzania, Democratic Republic of the Congo: Tanganika)
P. p. benguellana Stempffer & Bennett, 1961 (Angola: Benguella and Bihe districts)
P. p. clarensis Neave, 1903 (Uganda, western Kenya, Tanzania)
P. p. dama (Suffert, 1904) (southern coast of Tanzania)
P. p. elisabetha Hulstaert, 1924 (northern and western Zambia, Democratic Republic of the Congo: Shaba, Sankuru, Kasai and Maniema)
P. p. leopardina Schultze, 1923 (southern Cameroon, Gabon, Congo, Central African Republic, Democratic Republic of the Congo: Cataractes, Kinshasa, Equateur, Tshuapa and Mongala)
P. p. multiplagata Bethune-Baker, 1908 (southern Sudan, Democratic Republic of the Congo: Uele, Ituri, Tshopo and North Kivu)
P. p. nyassana Aurivillius, 1899 (Tanzania, Malawi, Zambia: east of the Luangwa Valley)
P. p. obsoleta Hawker-Smith, 1933 (Zimbabwe: Lomagundi district to the southern bank of the Zambezi River and the Victoria Falls, as well as Dichwe, Zambia)
P. p. ras Talbot, 1935 (south-western Ethiopia)
References
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