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For the Christian saint, see St. Denise.
Scientific classification
Domain: Eukaryota
(unranked): Sar
(unranked): Alveolata
Phylum: Apicomplexa
Class: Aconoidasida
Order: Haemosporida
Family: Plasmodiidae
Genus: Dionisia

Dionisia bunoi

Dionisia is a genus of parasitic alveolates belonging to the phylum Apicomplexia.

The type species of this genus is Dionisia bunoi.


The genus was described by Landau et al. in 1980.[1]

The gametocytes are sexually dimorphic with the macrogametocytes being of the 'falciparum' type and the microgametocyte of the 'malariae' type.

The schizonts develop in the lumen of the liver blood vessels inside a greatly hypertrophied host cell. They remain moderate in size and their cytoplasm is not intensely basophilic as is usually in the young stages of other mammalian Haemosporidia.

Life cycle[edit]

Host range[edit]

The only known host of these parasites is the cyclops roundleaf bat (Hipposideros cyclops).

Geographical location[edit]

These parasites are found in Gabon, Africa.

Pathology and effects on the host[edit]


  1. ^ Landau I., Chabaud A.G., Miltgen F., Baccam D. (1980) Dionisia bunoi n. g. n. sp., Haemoproteidae parasite of the microchiropteran bat Hipposideros cyclops in Gabon. 55(3):271-280