Eimeria erythrorhynchosi, Salgado-Miranda & Guti & errez-Santana & Soriano-Vargas, 2023

Salgado-Miranda, C., Guti, A. N., errez-Santana & Soriano-Vargas, E., 2023, Eimeria erythrorhynchosi n. sp. (Apicomplexa: Eimeriidae) from the American white pelican Pelecanus erythrorhynchos Gmelin, 1789 (Pelecaniformes: Pelecanidae) in Toluca, Mexico, International Journal for Parasitology: Parasites and Wildlife 22, pp. 38-42 : 39-41

publication ID

https://doi.org/ 10.1016/j.ijppaw.2023.08.004

persistent identifier

https://treatment.plazi.org/id/03E7DD4C-187F-FF93-AC98-FA6BFAACF33F

treatment provided by

Felipe

scientific name

Eimeria erythrorhynchosi
status

sp. nov.

Eimeria erythrorhynchosi sp. nov. ( Figs. 1 View Fig and 2 View Fig ).

Type host: Pelecanus erythrorhynchos Gmelin, 1789 ( Aves, Pelecaniformes , Pelecanidae ), American white pelican.

Type specimens: Oocysts in dichromate solution, photosyntypes and line drawings of sporulated oocysts are deposited and available in the Repository (www.ibirds.org) of the Institute for Biodiversity Research, Development & Sustainability (iBIRDS). Photographs of the type-host specimens (symbiotypes) are deposited in the same collection. Photomicrographs of sporulated oocysts are deposited and available in the Repository of iBIRDS (www.ibirds.org). The repository number is ESV-30/2023. Photographs of the type-host specimen are available at the Macauley Library (accession numbers ML398460431 , ML574130791 ) .

Type locality: San Jeronimo pond (19 ◦ 21′42’’N, 99 ◦ 41′13’’W), San Pablo Autopan , Toluca Valley, Mexico GoogleMaps State, Mexico.

Prevalence: Oocysts of this species were found in 5/32 (15.6%) of the fresh faecal samples examined.

39

)

2006 (2.5)

(

Gibbs body size and polar equal

Yabsley large with

) of granules

phalacrocoraxae 14.7)

(

1.29

1.17) (– (4.5 4.0) 9.6

10.5

(6.5

5.9)

((

1.63

1.8

)

,

numerous

Eimeria – 13 17 – 1.03 prominent absent absent ovoidal – 8.5 – 5.0 – 1.3 small absent compact

2002

,

Fisher

&

Gottdenker

,

Yabsley granules

auritusi

) 16.5) 1.1 (– 4 8)) 9.3

(

Eimeria – 19 14

(

– 1.0 1.2 absent absent, present oval – 6.6 (7 6 – 10.5 8 1.4 absent absent granules

1933

,

Hoare urnula

13.6

ellipsoid, granules

Eimeria 12.8 – present present ovoid to 10.4 5.6 knob-like compact 8.4

)

1893

(

´e

Labb roscoviense

Eimeria 16 14– present pyriform

)

continued

(

1

Width / ratio granule residuum / Width ratio body body

Table Species Width Length Micropyle Polar Oocyst Sporocyst Shape Length Width Length Stieda Substieda Residuum Sporozoite Length Width

Sporulation: 3 days.

Site of infection: Unknown. Oocysts were recovered from faeces.

ZooBank registration: To comply with regulations set out in article 8.5 of the amended 2012 version of the International Code of Zoological Nomenclature ( ICZN, 2012), details of the new species have been submitted to ZooBank. The Life Science Identifier ( LSID) for Eimeria erythrorhyncosi is urn:lsid:zoobank.org:pub:3C3CD22B-FB49-46C8-9DDD-399D521D7CFE .

Etymology: The specific name is derived from the species name of the type host.

Description ( Figs. 1 View Fig and 2 View Fig ).

Description of sporulated oocyst: Oocyst shape (n = 30): ovoidal; double-layered wall 0.90 (0.85–0.95), smooth outer wall representing 1/2 of the total thickness; L × W: 18.5 ± 0.55 (17.5–19.6) × 14.5 ± 0.24 (14.1–14.8), L / W: 1.0–1.5 (1.25); micropyle present, robust and protruding, W: 4.5–5.5, and polar body (1 or 2), L × W: 2.5 (2–3), associated with the micropyle; oocyst residuum absent ( Figs. 1 View Fig and 2 View Fig ).

Description of sporocyst and sporozoites: Sporocyst shape (n = 30): ovoidal. L × W: 10.7 ± 0.27 (10.1–11.2) × 6.8 ± 0.19 (6.4–7.1), L / W: 1.0–1.6 (1.3); Stieda body present, flattened; substieda body present, rounded, L × W: 0.7 × 1.6; parastieda body absent; sporocyst residuum formed by scattered granules of different sizes; sporozoites vermiform, L × W: 9.6 (9.4–9.8) × 2.4 with a slightly oblong refractile body, L × W: 2.6 × 2.2, nucleus, and anterior refractile body, L: 2.0.

Kingdom

Chromista

Phylum

Miozoa

Order

Eucoccidiida

Family

Eimeriidae

Genus

Eimeria

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