Alboglossiphonia hyalina

Alboglossiphonia hyalina (Müller, 1774) (Figs 1; 2B) Hirudo hyalina Müller, 1774: 49 (original species description, type designated, considered holotype). Clepsine hyalina – Moquin-Tandon 1826: 106 (drawing of the body in pl. 2, fig. 4, p. 105). Glossobdella hyalina – de Blainville 1827: 565. Glossosiphonia amudarjensis Moltschanov, 1913: 10. fig. 1, 2. Glossiphonia heteroclita f. hyalina – Pawlowski 1936: 130, fig. 89. Alboglossiphonia hyalina – Lukin 1976: 256. MATERIAL EXAMINED. — Uzbekistan • 10 samples; Ferghana Valley, Andijan region; 22.III.2020; Kh. Solijonov leg.; Department of Zoology and Animal Ecology, V. N. Karazin Kharkiv National University. PREVIOUS RECORDS. — Central Asia • 1 sample; Akmola region, Kazakhstan; 3.VIII.1899; Ignatov leg. (Plotnikov 1907) • 20 samples; Amu Darya River, Turkestan (currently Uzbekistan); 11.VI.1911; Moltschanov leg. (Moltschanov 1913) • 1 sample; Issyk-Kul, Kyrgyzstan; 13.VII.2005; (Jueg et al. 2013). ADDITIONAL DATA. — See Appendix 1. DIAGNOSIS. — Body length of juvenile leeches 2-4 mm, width 1-2 mm, adults 5-12 mm in length, and 4-8 mm in width. When the body is at rest, the leech has a leaf-like shape. Body margins smooth. Many tiny papillae scattered on dorsal surface. Three pairs of eyes: first pair smaller and closer together; posterior two pairs larger, with a greater distance between them. Dorsal and ventral sides yellowish-white. No dark pigmentation. Digestive organs can be seen through body coverings. Six pairs of crop caeca: 1st pair smaller; 2nd-5th pairs longer, with the 5th pair branching into four pouches. REMARK This species was recorded for the first time in the Ferghana Valley of Uzbekistan based on both morphological characters and molecular data. Collected samples are small.

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