Volume 35

Volume 35 part 3

Pages
pp. 119 -
130

For the first time in the Russian waters of the Sea of Japan, the tropical-subtropical species of bivalve mollusk, Musculus cupreus (Gould, 1861), was found. An illustrated description of shells, synonymy, information on distribution and ecology are provided. An assumption is made about the probable introduction of M. cupreus into Peter the Great Bay.

Двустворчатый моллюск Musculus cupreus (Gould, 1861) (Mytilidae) – вероятный вселенец в воды России
Колпаков Е.В.; Лутаенко К.А.; Кепель А.А.; Волвенко И.Е.;
Keywords
invasive slug; Arion vulgaris; food base; experiment;
Pages
pp. 131 -
141

The results of the experimental study of food preferences of Arion vulgaris in the conditions of Central Russia are presented. Fifty-five native and alien plant species from 22 families were used in the experiment. A. vulgaris causes the greatest damage to the Apiaceae and to a lesser extent to the Polygonaceae, Onagraceae and Ranunculaceae. Assessment of trophic preferences of the A. vulgaris showed a wide food plasticity, providing high adaptability of this species.

Экспериментальное изучение пищевых предпочтений Arion vulgaris (Gastropoda: Arionidae) в Центральной России
Куклина А.Г.; Стогова А.В.;
Keywords
new species; COI phylogeny; taxonomy; distribution; vectors of opisthorchiasis;
Pages
pp. 143 -
156

A new species of the bythiniid snails, Opisthorchophorus confusus Andreeva sp. nov., is described based on molecular and morphological data. A COI phylogeny inferred on the material of newly obtained sequences and those accessible through the GenBank has releaved the species distinctness of O. confusus sp. nov. as well as the full genus status for Codiella Monterosato, 1894 and Opisthorchophorus Beriozkina et Starobogatov, 1995. The genus Pseudobithynia Glöer et Pešić, 2006, on the other hand, has been revealed as paraphyletic, but the proper status of this taxon is unclear, since no genetic information is available on its type species distributed in Iran. The new species is widely distributed in Russia; its genetically confirmed localities are situated in Krasnodar Krai (south of European Russia) and Western Siberia. Based on morphologically identified specimens, the range of O. confusus sp. nov. embraces European Russia, southern parts of Western and Eastern Siberia as well as Northern and Central Kazakhstan. The new genus is conchologically and molecularly distinct from the species Opisthorchophorus troschelii (Paasch, 1842) [known also as Bithynia transsilvanica Bielz, 1853]. The nomenclatural issues related to the name Bihynia troschelii are discussed.

Новый вид семейства Bithyniidae (Gastropoda: Littorinimorpha) из России с замечаниями о некоторых родах семейства
Андреева С.И.; Хребтова И.С.; Кондаков А.В.; Винарский М.В.;
Keywords
Helicopsis; DNA; polymorphism; microsatellites; genetic diversity;
Pages
pp. 157 -
165

The snails of the genus Helicopsis belong to steppe species, many of which are listed in the protected lists of European countries. In this work, based on the sequencing of the COX1 mitochondrial gene, the species belonging to eight populations of snails from the genus Helicopsis living in the south of the Central Russian Upland have been identified. These populations were assigned to H. lunulata, H. filimargo, and H. hungarica, and the average genetic distance between them was 0.11±0.01. Next, we analyzed the variability of seven microsatellite (STR) loci developed by us for H. lunulata in one population of H. filimargo, one population of H. hungarica and five populations of H. lunulata in the south of the Central Russian Upland. Both loci specific to H. lunulata and universal for all studied species have been identified. In H. lunulata, six STR loci turned out to be polymorphic and had from 2 to 11 alleles per locus. A total of 28 alleles were identified at all loci in H. lunulata, 14 of which were private and did not occur in more than one population. Molecular Dispersion Analysis (AMOVA) confirmed the high genetic differentiation of H. lunulata populations (Fst=0,425). At the same time, the genetic diversity of H. lunulata in the study area based on STR loci turned out to be higher than in the case of using allozyme loci. The structure of genetic variability calculated on the basis of STR loci turned out to be less pronounced compared to the use of allozyme loci as genetic markers (Fst=0,700). All this confirms the greater selective neutrality and greater diversity of microsatellite loci compared to allozymes. The data obtained can be used to assess the genetic diversity of H. lunulata. populations.

Изменчивость микросателлитных маркеров у степных моллюсков рода Helicopsis (Gastropoda; Pulmonata) в условиях юга Среднерусской возвышенности
Сычёв А.А.; Снегин Э.А.;