''Sevenia dubiosa'' is a

butterfly Butterflies are winged insects from the lepidopteran superfamily Papilionoidea, characterized by large, often brightly coloured wings that often fold together when at rest, and a conspicuous, fluttering flight. The oldest butterfly fossi ...

in the family

Nymphalidae The Nymphalidae are the largest family of butterflies, with more than 6,000 species distributed throughout most of the world. Belonging to the superfamily Papilionoidea, they are usually medium-sized to large butterflies. Most species ha ...

. It is found in western

Tanzania Tanzania, officially the United Republic of Tanzania, is a country in East Africa within the African Great Lakes region. It is bordered by Uganda to the northwest; Kenya to the northeast; the Indian Ocean to the east; Mozambique and Malawi to t ...

, the eastern part of the

Democratic Republic of the Congo The Democratic Republic of the Congo (DRC), also known as the DR Congo, Congo-Kinshasa, or simply the Congo (the last ambiguously also referring to the neighbouring Republic of the Congo), is a country in Central Africa. By land area, it is t ...

and northern

Zambia Zambia, officially the Republic of Zambia, is a landlocked country at the crossroads of Central Africa, Central, Southern Africa, Southern and East Africa. It is typically referred to being in South-Central Africa or Southern Africa. It is bor ...

.Afrotropical Butterflies: Nymphalidae - Tribe Epicaliini
/ref>

Description in Seitz

C. dubiosa Strand is unknown to me and is described as follows: “Above about as ''

Sevenia boisduvali ''Sevenia boisduvali'', the Boisduval's tree nymph, is a butterfly in the family Nymphalidae. There are four subspecies; all native to Africa. Description The following is a description for ''S. b. boisduvali'': The wingspan of Boisduval's t ...

'' Wallengr., dark brown with slight olivaceous gloss, occasionally perhaps almost pure black; fringes with very slight pale greyish gloss, on the forewing with traces of whitish spots; this wing is a little darker in the cell and the costal area than posteriorly; beneath it is ochre-yellow with grey-brownish margin and a large black spot between the cell and the apex, as well as a smaller spot in the cell itself at the discocellular; the distal and larger of these spots is 4mm. in length, fully as broad, and connected posteriorly with the discocellular spot; towards the costal margin in particular fine blackish subterminal spots or streaks are present. The apex of the fore¬ wing beneath and on the underside of the hindwing the basal half and the eye-spots violet, the latter narrowly bordered with greyish and with darker pupils; the posterior half grey-brownish, slightly olivaceous and with a violet-tinged marginal band about 2mm. in breadth; the eye-spot in cellule 4 is only half as large as the others and bears no black pupil, the one in cellule 7 is also somewhat smaller than the rest, but otherwise like them; in the basal area are placed in a transverse row 3 black lines, basally convex, lighter-markedproximally. The species is no doubt nearly allied to '' morantii'' Trim, and possibly only a variety of it”. German East AfricaAurivillius, .O.. 1908-1924. In: Seitz, A. ''Die Großschmetterlinge der Erde'' Band 13: Abt. 2, ''Die exotischen Großschmetterlinge, Die afrikanischen Tagfalter'', 1925, 613 Seiten, 80 Tafeln (The Macrolepidoptera of the World 13).Alfred Kernen Verlag, Stuttgart. The habitat consists of forests and woodland. Adults are attracted to bananas.

References

Butterflies described in 1911 dubiosa Butterflies of Africa Taxa named by Embrik Strand {{Biblidinae-stub