Table 2 in Description of SarCoCYSTIS PlaTYrhYNChoSI n. sp. (Apicomplexa: Sarcocystidae) from domestic ducks ANaS PlaTYrhYNChoS (Anseriformes: Anatidae) in China
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Table 2 Sarcocystis spp. in the Anseriformes birds Sarcocystis speciesIntermediate hostDefinitive hostSarcocystsLocationReferencesLight microscopy studyTransmission electron microscopy studyS. rileyi Stiles 1893Shoveler duck Anas clypeata, mallard duck Anas platyrhyncho s, Eurasian wigeon Anas penelope, common teal Anas crecca and common eider Somateria mollissimaSkunk Mephitis mephitis), red fox Vulpes vulpes and raccoon dog Nyctereutes procyonoidesMacroscopic, up to 12 mm. Thick cyst wall (3–5 μm) without visible vpsBranched vps, type 23Noth and South America and Europe[2, 10 – 17]S. wobeseri Kutkiené, Prakas, Sruoga,and Butkauskas 2010Barnacle goose Branta leucopsis, mallard duck, herring gull Larus argenticusUnknownMicroscopic, up to 6 mm long. Smooth,thin cyst wall (<1 μm)Conical vps,type 1dLithuania[3, 18 – 20]S.anasi Kutkiené, Prakas, Sruoga,and Butkauskas 2012Mallard duckUnknownMicroscopic, up to 5 mm long. Striated wall, vps up to 1.5 μm longPalisade-like vps, type 9aLithuania[4, 18]S.albifronsi Prakas,Sruoga, and Butkauskas 2012White-fronted goose Anser albifonsArctic fox Alopex legopusMicroscopic, up to 4 mm long. Striated cyst wall, vps up to 2.4 μm longTeat-or finger-like vps, type 9aLithuania[4, 21]Sarcocystis sp.1 Wober, Leighton,and Leighton 1981Lesser snow goose Anser caerulescensUnknownMicroscopic, up to 3.37 mm long.Thick cyst wall, radial spines-like vps, 1.5–2.0 μm longPalisade-like vps, type 9aCanada[22]Sarcocystis sp.2 Wober, Leighton,and Leighton 1981Lesser snow gooseUnknownMicroscopic, 53.8 μm wide. Smooth,thin cyst wall, 0.5 μm thickInvagination on the cyst wall, type 1dCanada[22]S. platyrhynchosi n. sp.Mallard duckUnknownMicroscopic, up to 1649 μm long.Thick cyst wall, brush-like vps,up to 4.3 μm longLanceolated vps, bundled microtubules extended into ground substanceChinaThis study vps villar protrusions
表2 雁形目（Anseriformes）鸟类体内的肉孢子虫（Sarcocystis）物种 | 肉孢子虫物种 | 中间宿主 | 终末宿主 | 光学显微镜下肉孢子囊特征 | 透射电子显微镜下肉孢子囊特征 | 地理分布 | 参考文献 | | --- | --- | --- | --- | --- | --- | --- | | 雷利肉孢子虫（S. rileyi Stiles, 1893） | 琵嘴鸭（Anas clypeata）、绿头鸭（Anas platyrhynchos）、欧亚水鸭（Anas penelope）、普通水鸭（Anas crecca）、普通绒鸭（Somateria mollissima） | 臭鼬（Mephitis mephitis）、赤狐（Vulpes vulpes）、貉（Nyctereutes procyonoides） | 肉眼可见，最大可达12 mm；囊壁厚3–5 μm，无可见绒毛状突起（villar protrusions，vps） | 分支状vps，类型23 | 北美洲、南美洲及欧洲 | [2, 10–17] | | 沃贝肉孢子虫（S. wobeseri Kutkiené, Prakas, Sruoga & Butkauskas, 2010） | 白颊黑雁（Branta leucopsis）、绿头鸭、银鸥（Larus argenticus） | 未知 | 显微型，最大长6 mm；囊壁光滑菲薄，厚度<1 μm | 锥形vps，类型1d | 立陶宛 | [3, 18–20] | | 阿纳萨斯肉孢子虫（S. anasi Kutkiené, Prakas, Sruoga & Butkauskas, 2012） | 绿头鸭 | 未知 | 显微型，最大长5 mm；囊壁具纹理，vps长可达1.5 μm | 栅栏状vps，类型9a | 立陶宛 | [4, 18] | | 阿尔比弗龙西肉孢子虫（S. albifronsi Prakas, Sruoga & Butkauskas, 2012） | 白额雁（Anser albifrons） | 北极狐（Alopex lagopus） | 显微型，最大长4 mm；囊壁具纹理，vps长可达2.4 μm | 乳头状或指状vps，类型9a | 立陶宛 | [4, 21] | | 肉孢子虫种1（Sarcocystis sp.1 Wober, Leighton & Leighton, 1981） | 小雪雁（Anser caerulescens） | 未知 | 显微型，最大长3.37 mm；囊壁厚，具棘状vps，长1.5–2.0 μm | 栅栏状vps，类型9a | 加拿大 | [22] | | 肉孢子虫种2（Sarcocystis sp.2 Wober, Leighton & Leighton, 1981） | 小雪雁 | 未知 | 显微型，宽53.8 μm；囊壁光滑菲薄，厚度0.5 μm | 囊壁内陷，类型1d | 加拿大 | [22] | | 绿头鸭肉孢子虫新种（S. platyrhynchosi n. sp.） | 绿头鸭 | 未知 | 显微型，最大长1649 μm；囊壁厚，刷状vps，长可达4.3 μm | 矛形vps，成束微管延伸至基质 | 中国 | 本研究 | 注：vps指绒毛状突起（villar protrusions）
