Butterflies of Guinea-Bissau: VIII. New data, new reports, corrections and biodiversity (Lepidoptera: Papilionoidea) Bivar-De-Sousa, António Vasconcelos, Sasha Mendes, Luís F. Larsen, Torben B. Baker, Jon Guilherme, João L. Zootaxa 2016 4201 1 1 77 Westwood, 1851 Westwood 1851 [193,560,836,861] Insecta Lycaenidae Iolaus Animalia Lepidoptera 21 22 Arthropoda species calisto   WL: 19mm. The species occurs in all typesof forest from Senegalto  Nigeria, Cameroon, Gabonand  CAR. During flight it resembles a small Pierid. The caterpillars feed on  Loranthussp. or on species of other close genera ( Loranthaceae).   Studied material. Cacheu:Caió, several specimens in 2009 (JB)  Previous references. Regions:Without a precise location. Authors: Stempffer & Bennett (1958). We believe that all the known references are based on the Stempffer & Bennett ( op. cit.) citation: D’Abrera (1980), Ackery et al.(1995), Larsen (2005) and Mendes et al.(2008).   Probable abundance and proposed status. AB:R; CS:I. 1423879920 CAR Senegal Senegal 21 22 1 holotype