Species of Coccidia (Apicomplexa: Eimeriidae) in Shrews From Alaska, U.S.A., and Northeastern Siberia, Russia, with Description of Two New Species

Lynch, Andrew J.; Duszynski, Donald W.

doi:10.1645/ge-1506.1

Cited by 3 publications

(2 citation statements)

References 19 publications

(37 reference statements)

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“…In addition, E. beringiacea Lynch & Duszynski (2008) from Sorex tundrensis Merriam from Alaska, USA, and Siberia, Russia, is also similar in size to the new species but it possesses a sub-Stieda body and does not have a polar granule (Lynch & Duszynski, 2008). Compared to all the eimerians known from shrews (Duszynski & Upton, 2000; Lynch & Duszynski, 2008), the new species represents the smallest species in the genus.…”

Section: Resultsmentioning

confidence: 91%

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A new eimerian (Apicomplexa: Eimeriidae) from southern short-tailed shrews, Blarina carolinensis (Bachman) (Soricimorpha: Soricidae: Soricinae) from southeastern Oklahoma, USA

McAllister

Seville

2017

Syst Parasitol

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A new species of Eimeria Schneider, 1875 (Apicomplexa: Eimeriidae) is described from faecal samples of two of three southern short-tailed shrews, Blarina carolinensis (Bachman) (Soricidae) from southeastern Oklahoma, USA. Oöcysts of Eimeria tkachi n. sp. are subspheroidal to ovoidal with a rough-pitted, tan colored, bi-layered wall, measure 16.5 × 15.2 μm, and have a length/width (L/W) ratio of 1.1; both micropyle and oöcyst residuum are absent, but polar granule(s) are present. Sporocysts are ovoidal, 9.5 × 6.5 μm, L/W 1.4; a distinct button-like Stieda body is present, but the sub-Stieda and para-Stieda bodies are absent and the sporocyst residuum is composed of large globules distributed throughout the sporocyst. Sporozoites have a spheroidal anterior refractile body, a subspheroidal posterior refractile body, and one centrally-located nucleus. This is the smallest eimerian described thus far from the Soricidae, the initial description of a coccidian from B. carolinensis, and the first from any shrew from Oklahoma.

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Section: Resultsmentioning

confidence: 91%

“…Since then, Milek & Seville (2003) reported coccidians from shrews from Wyoming, and Lynch & Duszynski (2008) described two species and added others from shrews in Alaska and Siberia, Russia. Here, we provide an update with what we believe to be 12 species known from North American soricid host species (Table 1).…”

Section: Discussionmentioning

confidence: 99%

A new eimerian (Apicomplexa: Eimeriidae) from southern short-tailed shrews, Blarina carolinensis (Bachman) (Soricimorpha: Soricidae: Soricinae) from southeastern Oklahoma, USA

McAllister

Seville

2017

Syst Parasitol

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Eimeria longirostris (Apicomplexa: Eimeriidae) from Vagrant Shrew, Sorex vagrans (Mammalia: Eulipotyphla: Soricidae), from Montana, USA

McAllister

Hnida

Kinsella³

2021

Acta Parasit.

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Biodiversity of the Coccidia (Apicomplexa: Conoidasida) in vertebrates: what we know, what we do not know, and what needs to be done

Duszynski¹

2021

FOLIA PARASIT

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Over the last two decades my colleagues and I have assembled the literature on a good percentage of most of the coccidians (Conoidasida) known, to date, to parasitise: Amphibia, four major lineages of Reptilia (Amphisbaenia, Chelonia, Crocodylia, Serpentes), and seven major orders in the Mammalia (Carnivora, Chiroptera, Lagomorpha, Insectivora, Marsupialia, Primates, Scandentia). These vertebrates, combined, comprise about 15,225 species; only about 899 (5.8%) of them have been surveyed for coccidia and 1,946 apicomplexan valid species names or other forms are recorded in the literature. Based on these compilations and other factors, I extrapolated that there yet may be an additional 31,381 new apicomplexans still to be discovered in just these 12 vertebrate groups. Extending the concept to all of the other extant vertebrates on Earth; i.e. lizards (6,300 spp.), rodents plus 12 minor orders of mammals (3,180 spp.), birds (10,000 spp.), and fishes (33,000 spp.) and, conservatively assuming only two unique apicomplexan species per each vertebrate host species, I extrapolate and extend my prediction that we may eventually find 135,000 new apicomplexans that still need discovery and to be described in and from those vertebrates that have not yet been examined for them! Even doubling that number is a significant underestimation in my opinion.

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Species of Coccidia (Apicomplexa: Eimeriidae) in Shrews From Alaska, U.S.A., and Northeastern Siberia, Russia, with Description of Two New Species

Cited by 3 publications

References 19 publications

A new eimerian (Apicomplexa: Eimeriidae) from southern short-tailed shrews, Blarina carolinensis (Bachman) (Soricimorpha: Soricidae: Soricinae) from southeastern Oklahoma, USA

A new eimerian (Apicomplexa: Eimeriidae) from southern short-tailed shrews, Blarina carolinensis (Bachman) (Soricimorpha: Soricidae: Soricinae) from southeastern Oklahoma, USA

Eimeria longirostris (Apicomplexa: Eimeriidae) from Vagrant Shrew, Sorex vagrans (Mammalia: Eulipotyphla: Soricidae), from Montana, USA

Biodiversity of the Coccidia (Apicomplexa: Conoidasida) in vertebrates: what we know, what we do not know, and what needs to be done

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