Haemopis sanguisuga (Linnaeus, 1758). (Figure 6W). Material examined: Maišia (Nr. 15), n=7, vii–viii.2019; Baltieji Lakajai (Nr. 22), n=3, 5.viii.2018; Lampėdžiai (Nr. 37), n=2, 11.ix. 2019. Didžiulis (Nr. 28), n=3, 18.vi.2019; Ilgis (Nr. 33), n=2, 21.viii.2018. Diagnosis: Vermiform, large leech. 120–130 mm length and 8–9 mm width. Dark green or almost black leech. Ventral surface is lighter. Similar to H. medicinalis but doesn’t exhibit lateral yellow lines (Fig. 6W) (Maitland et al. 2000). Five pairs of eyespots arranged in parabolic arc. Habitat: Haemopis sanguisuga was found in stagnant or almost stagnant water bodies Mud bottom, flourished vegetation and water rich by organic material are preferred by this species. Distribution: Haemopis sanguisuga inhabits in all Palearctic regions and is a common and widespread in European countries (Farzali and Saglam 2020). Haemopis sanguisuga was found only in few localities (Table 1). In total, 12 species of freshwater leeches are recorded in the present study, leeches belong to 4 suborders (Erpobdelliformes, Hirudiniformes, Glossiphoniiformes and Oceanobdelliformes), 5 families: Haemopidae (1 species), Hirudinidae (1 species), Glossiphoniidae (6 species), Erpodellidae (3 species), and Piscicolidae (1 species). Erpobdella octoculata and Glossiphonia complanata were the most common and were found in 61 % and 34 % of studied sites, respectively. Both of these species were collected in stagnant and flowing water. Our findings are in agreement with previous authors, which showed that the type of body water is not important for the distribution of these species (Moroz and Lipinskaya 2017).
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