Leeches of the World

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Species

Checklist / Erpobdellidae / Dina / Dina sivricensis

Dina sivricensis

Saglam, Saunders & Shain, 2025 · Erpobdellidae

External morphology

Smaller and thinner compared to other Erpobdellidae species. Dorsoventral almost cylindrical in shape, although slight flattening. Dorsum varies from brown to brownish-grey. Preserved leeches yellowish to dirty white. Venter similar in colour to dorsum with lighter appearance. no longitudinal stripes. Body smooth, contains 107 annuli excluding posterior sucker, sensory papillae too small to be seen. Midbody segments with five annulate, widths are of equal size. Average body length 33.71±1.34 mm (27.0–39.6 mm), width 3.01 ±0.32 mm (2.14–5,27 mm), anterior sucker diameter 1.93 ±0.07 mm (1.6–2.2mm), and posterior sucker diameter 2.79 ±0.08 mm (2.2–3.0 mm). Four pairs of eyes, two annuli between eye pairs located anteriorly and posteriorly. Anomaly situations (e.g., eye loss, irregular placement) frequently observed in eyes. Anterior pairs larger than posterior pairs. Eyes absent in alcohol-preserved specimens. Gonopores located in furrows and separated by two annuli. Male gonopore in furrow between XI b5/b6 annuli (33/34th annuli). Female gonopore in furrow between XII b1/b2 (35/36th annuli).

Habitat & range

Habitat
Freshwater
Region
Europe
Recorded from
Turkey

Original description

Saglam, Naim; Saunders, Ralph; Shain, Daniel H. (2025). Species delimitation recovers undescribed Erpobdellidae (Annelida: Hirudinea) from USA and Türkiye. Zootaxa. 5627(3): 455-479.

doi:10.11646/zootaxa.5627.3.3 · mapress.com