Charaxes vansoni, the Van Son's emperor, is a butterfly of the family Nymphalidae. It is found in southern Africa.[3]
| Van Son's emperor | |
|---|---|
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Lepidoptera |
| Family: | Nymphalidae |
| Genus: | Charaxes |
| Species: | C. vansoni
|
| Binomial name | |
| Charaxes vansoni van Someren, 1975[2]
| |
| Synonyms | |
| |
The wingspan is 48–56 mm in males and 50–60 mm in females.
Description edit
In males of Charaxes vansoni the two subapical spots on the forewing upperside are blue, whereas in Charaxes phaeus, with which it is often sympatric, they are white and the ground colour of the hindwing underside is pale coppery brown, with the silvery sheen comparatively reduced, extending only from the base along the costa and cell.[4] In females of Charaxes vansoni the median band on the upperside may be white, greenish white or bluish. The spots on the forewing upperside vary from white to orange-ochre [5]
Biology edit
It flies year-round, with peaks from February to May and in spring.[6] The habitat is dry savanna.
The larvae feed on Peltophorum africanum.[3][6]
Taxonomy edit
Charaxes vansoni is a member of the large species group Charaxes etheocles
References edit
- ^ Coetzer, B.H. (2020) [amended version of 2020 assessment]. "Charaxes vansoni". IUCN Red List of Threatened Species. 2020: e.T161317205A175063134. doi:10.2305/IUCN.UK.2020-2.RLTS.T161317205A175063134.en. Retrieved 8 August 2021.
- ^ van Someren, V.G.L. 1975. Revisional notes on African Charaxes, Palla and Euxanthe (Lepidoptera: Nymphalidae). Part X. Bulletin of the British Museum of Natural History (Entomology) 32 (3): 65-136.
- ^ a b "Charaxes Ochsenheimer, 1816" at Markku Savela's Lepidoptera and Some Other Life Forms
- ^ Van Son, G. 1979. The butterflies of southern Africa. Part 4. Nymphalidae: Nymphalinae [Revised and edited by L. Vári]. Transvaal Museum Memoirs No. 22: i-x, 1-286.
- ^ Pringle et al , 1994. Pennington’s Butterflies of Southern Africa, 2nd edition
- ^ a b Woodhall, Steve (2005). Field Guide to Butterflies of South Africa. Cape Town, South Africa: Struik. ISBN 978-1-86872-724-7.
- Henning, S.F. (1979) History of some recently described Charaxes with the description and life history of Charaxes vansoni van Someren (Lepidoptera: Nymphalidae). Entomologist's Record and Journal of Variation 91 (7-8):177-184. Explanation of status as full species
- Van Someren, V.G.L., 1969 Revisional notes on African Charaxes (Lepidoptera: Nymphalidae). Part V. Bulletin of the British Museum (Natural History) (Entomology)75-166.[1] page 129 description as female form of Charaxes viola phaeus page 137 Plate 21 figs 199, 200
- Van Someren, V.G.L., 1975 Revisional notes on African Charaxes, Palla and Euxanthe (Lepidoptera: Nymphalidae). Part X. Bulletin of the British Museum of Natural History (Entomology) 32 (3):65-136 [2] page 108 sp. nov.
External links edit
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