The First Record of Helobdella nuda (Hirudinida, Glossiphoniidae) in Lake Baikal
By far, the leech species Helobdella nuda (Moore, 1924) was known from China and the Amur River basin. It is found to occur in shallow waters of Lake Baikal.
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Інститут зоології ім. І.І. Шмальгаузена НАН України
2012
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| Назва видання: | Вестник зоологии |
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| Цитувати: | The First Record of Helobdella nuda (Hirudinida, Glossiphoniidae) in Lake Baikal / I.A. Kaygorodova, S.Yu. Utevsky // Вестник зоологии. — 2012. — Т. 46, № 5. — С. 473–474. — Бібліогр.: 6 назв. — англ. |
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Digital Library of Periodicals of National Academy of Sciences of Ukraine| id |
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dspace |
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irk-123456789-1094702016-11-30T03:02:16Z The First Record of Helobdella nuda (Hirudinida, Glossiphoniidae) in Lake Baikal Kaygorodova, I.A. Utevsky, S.Yu. Краткие сообщения By far, the leech species Helobdella nuda (Moore, 1924) was known from China and the Amur River basin. It is found to occur in shallow waters of Lake Baikal. До сих пор пиявка Helobdella nuda (Moore, 1924) была известна из Китая и бассейна Амура. Было обнаружено, что этот вид встречается на мелководье озера Байкал. 2012 Article The First Record of Helobdella nuda (Hirudinida, Glossiphoniidae) in Lake Baikal / I.A. Kaygorodova, S.Yu. Utevsky // Вестник зоологии. — 2012. — Т. 46, № 5. — С. 473–474. — Бібліогр.: 6 назв. — англ. 0084-5604 DOI 10.2478/v10058-012-0039-4 http://dspace.nbuv.gov.ua/handle/123456789/109470 595.143(282.256.341) en Вестник зоологии Інститут зоології ім. І.І. Шмальгаузена НАН України |
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Digital Library of Periodicals of National Academy of Sciences of Ukraine |
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English |
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Краткие сообщения Краткие сообщения |
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Краткие сообщения Краткие сообщения Kaygorodova, I.A. Utevsky, S.Yu. The First Record of Helobdella nuda (Hirudinida, Glossiphoniidae) in Lake Baikal Вестник зоологии |
| description |
By far, the leech species Helobdella nuda (Moore, 1924) was known from China and the Amur River basin. It is found to occur in shallow waters of Lake Baikal. |
| format |
Article |
| author |
Kaygorodova, I.A. Utevsky, S.Yu. |
| author_facet |
Kaygorodova, I.A. Utevsky, S.Yu. |
| author_sort |
Kaygorodova, I.A. |
| title |
The First Record of Helobdella nuda (Hirudinida, Glossiphoniidae) in Lake Baikal |
| title_short |
The First Record of Helobdella nuda (Hirudinida, Glossiphoniidae) in Lake Baikal |
| title_full |
The First Record of Helobdella nuda (Hirudinida, Glossiphoniidae) in Lake Baikal |
| title_fullStr |
The First Record of Helobdella nuda (Hirudinida, Glossiphoniidae) in Lake Baikal |
| title_full_unstemmed |
The First Record of Helobdella nuda (Hirudinida, Glossiphoniidae) in Lake Baikal |
| title_sort |
first record of helobdella nuda (hirudinida, glossiphoniidae) in lake baikal |
| publisher |
Інститут зоології ім. І.І. Шмальгаузена НАН України |
| publishDate |
2012 |
| topic_facet |
Краткие сообщения |
| url |
http://dspace.nbuv.gov.ua/handle/123456789/109470 |
| citation_txt |
The First Record of Helobdella nuda (Hirudinida, Glossiphoniidae) in Lake Baikal / I.A. Kaygorodova, S.Yu. Utevsky // Вестник зоологии. — 2012. — Т. 46, № 5. — С. 473–474. — Бібліогр.: 6 назв. — англ. |
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Вестник зоологии |
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2025-07-07T23:09:09Z |
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| fulltext |
UDC 595.143(282.256.341)
THE FIRST RECORD OF HELOBDELLA NUDA (HIRUDINIDA,
GLOSSIPHONIIDAE) IN LAKE BAIKAL
I. A. Kaygorodova1, S. Yu. Utevsky2
1 Limnological Institute, Siberian Branch of Russian Academy of Sciences,
Ulan-Batorskaya, 3, Irkutsk, 664033 Russia
E-mail: irina@lin.irk.ru
2 V. N. Karazin Kharkiv National University, pl. Svobody, 4,
Kharkiv, 61022 Ukraine
E-mail: sutevsk@univer.kharkov.ua
Received 6 February 2012
Accepted 14 September 2012
The First Record of Helobdella nuda (Hirudinida, Glossiphoniidae) in Lake Baikal. Kaygorodova I. A.,
Utevsky S. Yu. – By far, the leech species Helobdella nuda (Moore, 1924) was known from China and
the Amur River basin. It is found to occur in shallow waters of Lake Baikal.
Ke y wo r d s: Lake Baikal, leeches, Glossiphoniidae, Helobdella nuda.
Ïåðâàÿ íàõîäêà Helobdella nuda (Hirudinida, Glossiphoniidae) â îçåðå Áàéêàë. Êàéãîðîäîâà È. À,
Óòåâñêèé Ñ. Þ. – Äî ñèõ ïîð ïèÿâêà Helobdella nuda (Moore, 1924) áûëà èçâåñòíà èç Êèòàÿ è
áàññåéíà Àìóðà. Áûëî îáíàðóæåíî, ÷òî ýòîò âèä âñòðå÷àåòñÿ íà ìåëêîâîäüå îçåðà Áàéêàë.
Êëþ÷åâûå ñëîâ à: îçåðî Áàéêàë, ïèÿâêè, Glossiphoniidae, Helobdella nuda.
Introduction
The rhynchobdellid leech Helobdella nuda (Moore, 1924) is a poorly known species of the family
Glossiphoniidae (Clitellata, Hirudinida). The species has been recorded from China (Suzhou, Nanking) and
the Russian Amur basin (Khanka Lake, Udyl Lake, Kizi Lake, Bolonj Lake). According to C. F. Wu (1930)
and Y. Chen (1962) this leech is common in the aforementioned localities of China. Moore (1930) supposed
that in China H. nuda occupies the place of its widespread Palaearctic congener Helobdella stagnalis
(Linnaeus, 1758).
E. I. Lukin (1960) found that both the species occurred in the lower reaches of the Amur. However,
Helobdella stagnalis was less abundant there in comparison with its abundance in other areas of the Palaearctic
region. Helobdella nuda, in turn, was rarer than in China.
Thus, according to the previous records, H. nuda could be assigned to elements of the China-Amur
fauna, which once was widespread in the major portion of Asia. E. I. Lukin (1978) further speculated that
later on, when environmental conditions were changed, this leech was superseded by widespread Palaearctic
species in the north and Indo-Malayan species in the south. This research suggests that H. nuda occurs
beyond the area where it has been recorded so far.
Material and methods
Leech specimens were collected by one of the authors, Dr. Irina Kaygorodova, during a field trip to
the Chivyrkuy Bay of Lake Baikal at the end of August 2011. The specimens were photographed alive, fixed
and preserved in 80% ethanol. Species definition was done using identification keys by E. I. Lukin (1976)
and the original description (Moore, 1924).
Results and discussion
Two individuals were collected in coastal waters of the eastern part of the
Zmeyovaya Bay (Chivyrkuy Bay, 53° 46' N, 109° 02' E). The leeches were found on
the bottom surface of flat rocks at a depth of 0.7 m.
Vestnik zoologii, 46(5): e-40—e-41, 2012
DOI 10.2478/v10058-012-0039-4
Unauthenticated
Download Date | 11/28/16 9:43 PM
The leeches are small in size, 5-8 mm at a moderate contraction. The body is
smooth, with no tubercles. The pigmentation is weakly developed. Eyes are more than
one pair in contrast to H. stagnalis (fig. 1). Gonopores are separated by one annulus.
The digestive system can be easily seen through the skin. There are six crop caeca with
the long posterior pair. Probably, the anterior pair is reduced or vestigial. Therefore, the
number of caeca is less than seven as in the original description by J. P. Moore (1924).
However, the variability of this character has been already recorded by E. I. Lukin
(1976). The life style seems to be similar to that in the congener species. As H. stag-
nalis, it cannot swim and feeds on the haemolymph of freshwater invertebrates.
Our new record of H. nuda suggests that the range of this species is much wider
than considered before and is not restricted to the Sino-Japanese region.
The study was supported by the Russian Foundation for Basic Research (grant No. 11-04-90452_Ukr)
and the Ukrainian State Fund for Fundamental Research (grant N. Ô40.4/068).
Chen Y. An account of the leeches found in Nanking and vicinity with description of new species Placobdella
sinensis // Acta Acad. Bras. Sci. Rio. – 1962. – 9. – P. 13—26.
Lukin E. I. Elements of the leech fauna of China and Japan in the fauna of the Amur River within the
USSR // Zoologichesky zhurnal. – 1960. – 39, N 1. – P. 40—44. – Russian : Ýëåìåíòû ôàóíû
ïèÿâîê Êèòàÿ è ßïîíèè â ôàóíå ðåêè Àìóð â ïðåäåëàõ ÑÑÑÐ.
Lukin E. I. Leeches of fresh and brackish waters (Fauna of the USSR; Vol. 1 : Leeches). – Leningrad :
Nauka, 1976. – 484 p. – Russian : Ïèÿâêè ïðåñíûõ è ñîëîíîâàòûõ âîäî¸ìîâ (Ôàóíà ÑÑÑÐ;
Ò. 1 : Ïèÿâêè).
Moore J. P. Notes on some Asiatic leeches (Hirudinea) principally from China, Kashmir, and British
India // Proc. Acad. Sci. Philadelphia. – 1924. – 76. – P. 343—388.
Moore J. P. Leeches (Hirudinea) from China with description of new species // Proc. Acad. Sci. Phi -
ladelphia. – 1930. – 82. – P. 169—192.
Wu Ñ. F. A revised list of the Chinese leeches // Bull. Dep. Biol. Yenching Univ. – 1930. – 1 (2). –
P. 45—48.
e-41 I. A. Kaygorodova1, S. Yu. Utevsky
Fig. 1. Helobdella nuda from Lake Baikal: A, an individual with a conspicuous digestive system filled with
host blood; B, the anterior end of the leech with eyes.
Ðèñ. 1. Helobdella nuda èç îçåðà Áàéêàë: À – èíäèâèäóóì ñ õîðîøî çàìåòíîé ïèùåâàðèòåëüíîé ñèñòå-
ìîé, íàïîëíåííîé êðîâüþ õîçÿèíà; B – ïåðåäíèé êîíåö ïèÿâêè ñ ãëàçàìè.
Unauthenticated
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