Scholarlink

<p><i>Eimeria ovata</i> Duncan, 1968 is redescribed from 2 of 39 (5%) gray-collared chipmunks <i>Neotamias cinereicollis</i> Allen in Arizona, USA. Sporulated oöcysts of this species are ovoidal, 26.3 × 20.3 (23–28 × 16–22) µm, with a length/width ratio of 1.4 (1.2–1.6), a pitted, bi-layered wall, and 0–2 polar granules; oöcyst residuum and micropyle are absent. Sporocysts are ovoidal, 13.3 × 8.2 (12–15 × 7–9) µm, with a length/width ratio of 1.7 (1.6–1.0), a Stieda body, and sporocyst residuum; sporozoites contain a posterior refractile body. The measurements and structural features of these oöcysts are similar to those reported for <i>E. ovata</i> described from the eastern chipmunk <i>Tamias striatus</i>. This is a new geographic record for this coccidian and the first report to include photomicrographs of its sporulated oöcyst.</p>

错误：搜索内容不能为空，请输入英文关键词
错误：关键词超出字数限制，请精简
高级检索

Redescription of Eimeria ovata Duncan, 1968 (Apicomplexa: Eimeriidae) from the gray-collared Chipmunk Neotamias cinereicollis Allen (Rodentia: Sciuridae)

  • 期刊论文

  • 发表日期：

    2025年4月22日

查看全文
  • John A. Hnida

摘要

Eimeria ovata Duncan, 1968 is redescribed from 2 of 39 (5%) gray-collared chipmunks Neotamias cinereicollis Allen in Arizona, USA. Sporulated oöcysts of this species are ovoidal, 26.3 × 20.3 (23–28 × 16–22) µm, with a length/width ratio of 1.4 (1.2–1.6), a pitted, bi-layered wall, and 0–2 polar granules; oöcyst residuum and micropyle are absent. Sporocysts are ovoidal, 13.3 × 8.2 (12–15 × 7–9) µm, with a length/width ratio of 1.7 (1.6–1.0), a Stieda body, and sporocyst residuum; sporozoites contain a posterior refractile body. The measurements and structural features of these oöcysts are similar to those reported for E. ovata described from the eastern chipmunk Tamias striatus. This is a new geographic record for this coccidian and the first report to include photomicrographs of its sporulated oöcyst.