Piscicola siddalli n. sp., a Leech Species from the United Kingdom (Clitellata: Hirudinida: Piscicolidae)

Aleksander Bielecki; Stanisław Cios; Joanna M. Cichocka; Joanna Pakulnicka

doi:10.1654/4511.1

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Aleksander Bielecki,^1,* Stanisław Cios,² Joanna M. Cichocka,³ Joanna Pakulnicka⁴

¹1Department of Zoology, University of Warmia and Mazury, Oczapowskiego St. 5, 10-967 Olsztyn-Kortowo
²2Stryjenskich St. 6/4, 02-791 Warszawa, Poland (e-mail: stanislaw.cios@msz.gov.pl and)
³3Department of Zoology, University of Warmia and Mazury, Oczapowskiego St. 5, 10-967 Olsztyn-Kortowo
⁴4Department of Ecology and Environmental Preservation, University of Warmia and Mazury in Olsztyn, L

^*Corresponding author.

Abstract

A new species of fish leech from England, Piscicola siddalli n. sp. (Piscicolidae), was collected in 2006 on stones and on grayling (Thymmallus thymmallus L.) in the River Ure, North Yorkshire, Great Britain. The leech is 4(12) annulate; gonopores are separated by four annuli. The male gonopore is much larger than the female gonopore. Seminal receptacle consists of a round aperture, located at a distance of 3 annuli behind the female gonopore. Copulatory area on the clitellum is in the form of a circle. Vector tissue has the form of a circular plate, below the oviduct opening.

Citation Download Citation

Aleksander Bielecki, Stanisław Cios, Joanna M. Cichocka, and Joanna Pakulnicka "Piscicola siddalli n. sp., a Leech Species from the United Kingdom (Clitellata: Hirudinida: Piscicolidae)," Comparative Parasitology 79(2), 219-230, (1 July 2012). https://doi.org/10.1654/4511.1

Published: 1 July 2012

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