Cacyreus tespis

Water bronze
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Lycaenidae
Genus: Cacyreus
Species:
C. tespis
Binomial name
Cacyreus tespis
(Herbst, 1804)
Synonyms
  • Papilio tespis Herbst, 1804
  • Papilio palemon Stoll, 1782
  • Cupido palemon var. fracta Grünberg, 1911
  • Cacyreus palemon f. ecaudata Stempffer, 1950
  • Cacyreus palemon ghimirra Talbot, 1935

Cacyreus tespis, the water bronze or water blue, is a butterfly of the family Lycaenidae. It is found from South Africa to Ethiopia.

The wingspan is 15–25 mm for males and 17–25 mm for females. Adults are on wing year-round in warmer areas, but usually from August to May. At higher altitudes adults are on wing in December and January.

The larvae feed on the buds and green seeds of Geranium and Pelargonium species.