Allantocystis

(Redirected from Allantocystidae)

Allantocystis is a genus in the family Allantocystidae.[1] Its only species is Allantocystis dasyhelei, a gregarine parasite of the larval biting midge Dasyhelea obscura.[2]

Allantocystis
Scientific classification Edit this classification
Domain: Eukaryota
Clade: Diaphoretickes
Clade: SAR
Clade: Alveolata
Phylum: Apicomplexa
Class: Conoidasida
Order: Eugregarinorida
Family: Allantocystidae
Genus: Allantocystis
Species:
A. dasyhelei
Binomial name
Allantocystis dasyhelei
Keilin, 1920

Description

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A. dasyhelei are found in the midgut of the host larva as 70 μm by 20 μm forms, running parallel to the host body. They are unique from other Gregarine parasites in that their cysts are elongated, rather than spherical.[2]

Taxonomy

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A. dasyhelei is the only species in the genus Allantocystis. Allantocystis is the only genus in the family Allantocistidae.[1]

History

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A. dasyhelei was described by David Keilin in 1920 from larval biting midges he found in the decomposing sap of infected Elm and Horse-chestnut trees in Cambridge.[2][3]

References

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  1. ^ a b Levine ND (1977). "Checklist of the species of the aseptate gregarine families Aikinetocystidae, Diplocystidae, Allantocystidae, Schaudinnellidae, Ganymedidae and Enterocystidae". J Invert Path. 29 (2): 175–181. Bibcode:1977JInvP..29..175L. doi:10.1016/0022-2011(77)90191-4.
  2. ^ a b c Keilin D (March 1920). "On two new Gregarines, Allantocystis dasyhelei N.G., N.Sp., and Dendrorhynchus systeni N.G., N.Sp., parasitic in the alimentary canal of the dipterous larvae, Dasyhelea obscura Winn. and Systenus Sp". Parasitology. 12 (3): 154–158. doi:10.1017/s0031182000014104.
  3. ^ Annales de parasitologie humaine et comparée. Encyclopédie des sciences médico-biologiques. Section--Parasitologie (in French). Masson. 1965. p. 709. Retrieved 24 June 2019.