PRILOZI POZNAVANJU BIOLOGIJE VRSTE DINA SKETI GROSSER & PEŠIĆ, 2014 (HIRUDINEA: ERPOBDELLIDAE)
DOI:
https://doi.org/10.7251/ASB230401003DKljučne reči:
Dina sketi, Crna Rijeka, ekologija, reproduktivna biologija, kokoniApstrakt
Poznati areal vrste Dina sketi Grosser & Pešić, 2014 (Hirudinea: Erpobdellidae) obuhvata nekoliko izvora u slivovima rijeke Cvrcke i Crne rijeke (Republika Srpska, Bosna i Hercegovina). Biologija ovih pijavica je nedovoljno poznata. Cilj rada bio je prezentovati
nova saznanja o njihovoj ekologiji i reproduktivnoj biologiji, a na bazi podataka skupljenih u izvorima sliva Crne rijeke. Analizirane su osobine biotopa i makrozoobentosa navedenih izvora, kao i osobine kokona i ishana ove vrste pijavica. Osobine biotopa djelimično se uklapaju u poznati opseg za ovu vrstu. D. sketi je jedina vrsta pijavica pronađena na predmetnom obuhvatu, gdje je zastupljena sa manje od 1% u odnosu na ostale članove makrozoobentosa. Najabundantniji članovi makrozoobentosa su amfipodni rakovi i hidrobidni puževi. Analizom sadržaja digestivnog trakta ovih pijavica utvrđeno je da njihov plijen čine akvatični i terestrični beskičmenjaci. Izgleda da pijavice u ishrani preferiraju amfipodne rakove. Sva dosadašnja znanja o reproduktivnoj biologiji vrste D. sketi bila su zasnovana na opisu njihovog reproduktivnog sistema. U ovom radu analizirani su morfologija i morfometrijske osobine kokona. Oni oblikom podsjećaju na plod kivija. Dugi su 4,60–8,82 mm, a široki 3,19–6,38 mm.
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