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Genus Euriphene: There have been five species of the genus Euriphene so far recorded from Semuliki. E. doriclea has been reported from Semuliki (Williams, 2022), although it has never been sampled in the fruit-feeding traps and was not included in the checklist publication (Forbes, 2018 ). It has been recorded from the DRC Semliki Valley and the Ituri Forest of the DRC (Ducarme, 2018). These five species contribute to around 40% of Uganda's 12 Euriphene species total, although E. barombina (included in the Davenport Uganda checklist) was recorded in error. E. saphirina (found at Semuliki) replaces E. barombina within the Congo Basin and comprises the species at the eastern extent of its range distribution. The occurrence of three of the species; saphirina, ribensis and atossa in traps was uncommon while only one specimen, a female E. amaranta, has been observed in flight and never sampled in traps. All five species of Euriphene recorded at Semuliki are environmentally sensitive and thrive in forests with good canopy cover and in good condition (undegraded).

 

The following museum images are taken from The Royal Museum of Central Africa, Tervuren in Belgium and portray the male (left column) and female, both upper and underside. There was only one specimen of Euriphene amaranta at Tervuren, the specimen below was taken from Entomology Collections, Natural History Museum, London.

Euriphene ribensis.jpeg

Euriphene ribensis

Euriphene  atossa.jpeg

Euriphene atossa

Euriphene saphirina.jpeg

Euriphene saphirina

Euriphene  amaranta.jpeg

Euriphene doriclea (waiting on museum image)

Euriphene amaranta 

Field Images: There are field images for all but one of the recorded species at Semuliki: E.amaranta. This has been recorded at Semuliki (then Bwamba Forest): the specimen's identity has been verified and it is stored at at The Hunterian Museum, University of Glasgow in Scotland. This species appears very rare throughout its range.

Euriphene ribensis.jpeg
Euriphene ribensis.jpeg

Euriphene ribensis (male, upper and underside)

Euriphene ribensis.jpeg

Euriphene ribensis (female, upperside)

Euriphene ribensis.jpeg

Euriphene ribensis (female, underside)

Euriphene atossa.jpeg
Euriphene atossa.jpeg

Euriphene atossa (male, upper and underside)

Euriphene atossa.jpeg

Euriphene atossa (female, upperside)

Euriphene atossa.jpeg

Euriphene atossa (female, underside)

Euriphene saphirina.jpeg
Euriphene saphirina.jpeg

Euriphene saphirina (male, upper and underside)

Euriphene saphirina.jpeg

Euriphene saphirina (female, underside)

Euriphene saphirina.jpeg

Euriphene saphirina (female, upperside lighter form found at its eastern range limit)

Euriphene saphirina.jpeg

Euriphene saphirina (female upperside,  dark form found in Congo Basin specimens)

Euriphene saphirina.jpeg

Euriphene saphirina (female upperside, narrow subapical band)

Euriphene amaranta and E. doriclea (waiting on field images)

Specific genus site links, references and bibliography:

The publication (Butterflies of the World) listed below is available from www.insecta.de and www.goeckeevers.de.

Hecq, J., (2002). Euriphene, Nymphalidae VI (part 15) and Supplement 5. Butterflies of the World. Bauer, E. & Frankenbach, T. eds. Goecke and Evers, Keltern, Germany.

Nymphalidae.Net provides a detailed taxonomic overview of the Tribe Adoliadini. Tribe Adoliadini (Wahlberg, N).

Savela, M. Euriphene Boisduval,[1847], Lepidoptera and Some Other Life Forms. Excellent online resource.

Williams, M.C., (2018). Genus Euriphene. A section of Afrotropical Butterflies (17th Edition). Publication is available from Lepidopterists' Society of Africa website https://www.lepsocafrica.org/?p=publications&s=atb.

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