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Spialia diomus
Female, figure 6
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Lepidoptera
Family:	Hesperiidae
Genus:	Spialia
Species:	S. diomus
Binomial name
Spialia diomus (Höpffer, 1855)
Synonyms
Pyrgus diomus Hopffer, 1855 Syrichtus diomus Syrichtus ferax Wallengren, 1863 Pyrgus machacoana Butler, 1899 Pyrgus abscondita Plötz, 1884 Syrichthus lacreuzei Oberthür, 1912

Spialia diomus, the common sandman or Diomus grizzled skipper, is a butterfly of the family Hesperiidae. It is found in tropical Africa and south-western Arabia.

The wingspan is 27–31 mm for males and 29–33 mm for females. Adults are on wing year-round in warmer areas. In South Africa it is more common in warmer months. In cooler areas adults are on wing from August to April.

The larvae feed on Hibiscus (including Hibiscus aethiopicus), Sida, Pavonia (including Pavonia burchellii), Waltheria and Hermannia species (including Hermannia diffusa, Hermannia incana, Hermannia comosa, Hermannia depressa and Hermannia cuneifolia).

Subspecies

• Spialia diomus diomus (Senegal, Gambia, Guinea, Liberia, Ivory Coast, Ghana, Nigeria, Kenya, Yemen)
• Spialia diomus ferax (Wallengren, 1863) (Zambia, Mozambique, Zimbabwe, Botswana, Namibia, South Africa, Eswatini, Lesotho)

References

1. Spialia at Markku Savela's Lepidoptera and Some Other Life Forms
2. Woodhall, Steve (2005). Field Guide to Butterflies of South Africa. Cape Town, South Africa: Struik. ISBN 978-1-86872-724-7.

• Media related to Spialia diomus at Wikimedia Commons
• Data related to Spialia diomus at Wikispecies

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• Spialia
• Butterflies described in 1855
• Taxa named by Carl Heinrich Hopffer
• Butterflies of Africa
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