Type locality: Tanzania: “Tanganyika: monts Usambara, Amani”.
Distribution: Tanzania (north-east - Usambara Mountains).
Iolaus (Epamera) silanus rondo (Congdon & Collins, 1998)
Epamera silanus rondo Congdon & Collins, 1998. In: Congdon & Collins, 1998. Supplement to Kielland’s butterflies of Tanzania: 93 (143 pp.). Abri and Lambillionea.
Type locality: Tanzania: “Lindi, Rondo Plateau, 22.ii.1987, J. Kielland leg.” In ABRI, Nairobi.
Diagnosis: Differs from the other subspecies, on the forewing upperside, in that the inner edge of the apical black patch is more evenly rounded (Congdon and Collins, 1998).
Distribution: Tanzania.
Specific localities:
Tanzania – Rondo Plateau (Kielland and Congdon) (Congdon and Collins, 1998). Known only from the type locality.
Iolaus (Epamera) silanus silenus (Hawker-Smith, 1928)
Epamera silanus silenus Hawker-Smith, 1928. Revue de Zoologie et de Botanique Africaines16: 214 (214-216).
Type locality: Democratic Republic of Congo: “Sandoa, Belgian Congo”.
Distribution: Democratic Republic of Congo (Equateur, Lualaba).
Iolaus (Epamera) silanus zanzibarica (Congdon & Collins, 1998)
Epamera silanus zanzibarica Congdon & Collins, 1998. In: Congdon & Collins, 1998. Supplement to Kielland’s butterflies of Tanzania: 93 (143 pp.). Abri and Lambillionea.
Type locality: Tanzania: “Zanzibar, Jozani Forest, i.1991, S C Collins.” In ABRI, Nairobi.
Diagnosis: Male differs from that of the nominate subspecies on the underside in being more heavily marked, especially in the development of the forewing submarginal black line. The female differs in that it is a deepr shade of blue and lacks white markings (Congdon and Collins, 1998).
Distribution: Tanzania (Zanzibar).
Specific localities:
Tanzania- Jozani Forest, Zanzibar (uncommon) (Congdon and Collins, 1998).