Allantocystis dasyhelei

; Allantocystis dasyhelei;
; Scientific classification;
Domain:;	; Eukaryota;
(unranked):;	; Sar;
(unranked):;	; Alveolata;
Phylum:;	; Apicomplexa;
Class:;	; Conoidasida;
Subclass:;	; Gregarinasina;
Order:;	; Eugregarinorida;
Suborder:;	; Aseptatorina;
Family:;	; Allantocystidae;
Genus:;	; Allantocystis;
; Binomial name;
	; Allantocystis dasyhelei; Keilin 1920;

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

Description[edit]

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.^[1]

Taxonomy[edit]

A. dasyhelei is the only species in the genus Allantocystis. Allantocystis is the only genus in the family Allantocistidae.^[2]

History[edit]

A. dasyhelei was described by D. Keilin in 1920 from larval biting midges he found in the decomposing sap of infected Elm and Horse-chestnut trees in Cambridge.^[1]

References[edit]

^ ^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..mw-parser-output cite.citation{font-style:inherit}.mw-parser-output q{quotes:"""""""'""'"}.mw-parser-output code.cs1-code{color:inherit;background:inherit;border:inherit;padding:inherit}.mw-parser-output .cs1-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-lock-limited a,.mw-parser-output .cs1-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration{color:#555}.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration span{border-bottom:1px dotted;cursor:help}.mw-parser-output .cs1-hidden-error{display:none;font-size:100%}.mw-parser-output .cs1-visible-error{font-size:100%}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-format{font-size:95%}.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-right{padding-right:0.2em}

^ ^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. doi:10.1016/0022-2011(77)90191-4.

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[Keilin-1] 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..mw-parser-output cite.citation{font-style:inherit}.mw-parser-output q{quotes:"""""""'""'"}.mw-parser-output code.cs1-code{color:inherit;background:inherit;border:inherit;padding:inherit}.mw-parser-output .cs1-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-lock-limited a,.mw-parser-output .cs1-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration{color:#555}.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration span{border-bottom:1px dotted;cursor:help}.mw-parser-output .cs1-hidden-error{display:none;font-size:100%}.mw-parser-output .cs1-visible-error{font-size:100%}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-format{font-size:95%}.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-right{padding-right:0.2em}

[Levine1977-2] 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. doi:10.1016/0022-2011(77)90191-4.

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