Alexandr M. Byvaltsev

Alexandr M. Byvaltsev
Novosibirsk State University · Chair of General Biology and Ecology

PhD

About

31
Publications
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368
Citations

Publications

Publications (31)
Article
Full-text available
A list of 54 bee species of the family Megachilidae with data on their distribution and relative abundance in Kemerovskaya Oblast is presented. Five species, Megachile fulvimana Eversmann, 1852, M. nigriventris Schenck, 1870, Osmia inermis (Zetterstedt, 1838), O. nigriventris (Zetterstedt, 1838) and Pseudoanthidium tenellum (Mocsáry, 1881), are rec...
Article
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Symbiotic bacteria have a significant impact on the formation of defensive mechanisms against fungal pathogens and insecticides. The microbiome of the mosquito Aedes aegypti has been well studied; however, there are no data on the influence of insecticides and pathogenic fungi on its structure. The fungus Metarhizium robertsii and a neurotoxic inse...
Article
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Bombus pomorum (Panzer, 1805) is known from Europe, Anatolia, the Caucasus, and to the Urals in Russia. Two specimens have been collected in the south of Western Siberia for the first time. It is possible that the species is indigenous to Siberia but was not discovered until regular observations were made. There is also a possibility that this obse...
Article
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Species are often presumed to be apparent in nature, but in practice they may be difficult to recognise, especially when viewed across continents rather than within a single site. Coalescent-based Poisson-tree-process (PTP) models applied to fast-evolving genes promise one quantitative criterion for recognising species, complete with the estimates...
Article
All available information about the seven species of the digger wasp genus Palmodes Kohl known from Central Asia is summarized. A lectotype is designated for Sphex minor F. Morawitz, 1890. A new species Palmodes hissaricus Danilov is described and illustrated. Sphex mandarinius F. Smith, 1856 is resurrected from synonymy. The following new synonymy...
Article
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The bumblebees of the subgenus Alpinobombus of the genus Bombus are unusual among bees for specialising in many of the most northerly vegetated arctic habitats on Earth. Most named taxa in this group (37 available names from a total of 67 names) were described originally from differences in the colour patterns of the hair. Previous revisions have s...
Article
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An annotated list of 53 species of megachilid bees of the forest-steppe and steppe zones of the West Siberian Plain to the eastwards of Irtysh River is given. All previous data on distribution of Megachilidae in this region are summarized and critically discussed. Coelioxys echinatus Förster, 1853, Megachile pilidens Alfken, 1924 and Pseudoanthidiu...
Book
Full-text available
Hymenoptera is one of the largest insect orders, with a world fauna of 155.5 thousand species in 8423 genera from 94 extant families, a Palaearctic fauna of 50–60 thousand estimated species, and a Russian fauna of more than 15 thousand estimated species in more than 1500 genera from 78 families. The modern classification of Hymenoptera is given. Th...
Article
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In addition to a previously published study about Siberian Andrena bees here report 63 new or little known species for the fauna of Western Siberia. Seven species, Andrena colonialis Morawitz, 1886, A. enslinella Stoekhert, 1924, A. florivaga Eversmann, 1852, A. flavipes Panzer, 1799, A. hypopolia Schmiedeknecht, 1884, A. pallitarsis Pérez, 1903, a...
Article
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An annotated list of 20 bee species from seven genera of four families is given. All of them are newly recorded from Russia.
Article
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The annotated list of 45 species of bumblebees of Krasnoyarsk Territory, collected from 1873 to 2013 is given. Eleven species are newly recorded for this region: Bombus confusus paradoxus Dalla Torre, 1882, B. soroeensis (Fabricius, 1777), B. subterraneus (Linnaeus, 1758), B. saltuarius (Skorikov, 1931), B. laesus Morawitz, 1875, B. ruderarius (Mül...
Article
Full-text available
Our grasp of biodiversity is fine-tuned through the process of revisionary taxonomy. If species do exist in nature and can be discovered with available techniques, then we expect these revisions to converge on broadly shared interpretations of species. But for the primarily arctic bumblebees of the subgenus Alpinobombus of the genus Bombus, revisio...
Data
Table A. Depositories. Collections from which pinned material of the subgenus Alpinobombus has been examined. (DOC)
Data
Table A. Sequences. Sequenced samples of bumblebees (genus Bombus) of the subgenus Alpinobombus and outgroups with their accession numbers for GenBank (G) and the public project folder BBAL of the BOLD online database (B). (DOC)
Article
Full-text available
Thirty-eight species of bumblebees are known in Khakassia Republic. Five species, namely Bombus cullumanus serrisquama Morawitz, 1888, B. cryptarum (Fabricius, 1775), B. mocsaryi Kriechbaumer, 1877, B. semenoviellus Skorikov, 1910, and B. soroeensis (Fabricius, 1777), are recorded from Khakassia for the first time. One species, B. sylvarum (Linnaeu...
Article
Full-text available
The acridid assemblages are compared for four model plots (dry, psammophytic, typical, and meadow steppes) in the south-eastern part of West-Siberian Plain (the so-called Kulunda Steppe) during years with the maximal and minimal abundance of the Italian locust. During the Italian locust outbreaks upsurge in its abundance is resulted in some unifica...
Article
Full-text available
The sufficient data on the fauna and populations of bumblebees of the Irtysh Steppe are given for the first time. Twenty-two species of these insects are recorded for the fauna of this region. Populations as a whole is characterized by high diversity and uniformity of species abundance. Trophic links of bumblebees with flowering plants has been stu...
Article
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The abundance and diversity of bumblebees in the Kulunda Plain of West Siberia have been investigated. The structure of groups of dominant species is discussed in detail. The bumblebees are more abundant and diverse in the regions with good representation of birch forest stands. The communities of these insects here are relatively homogeneous in sp...
Article
Full-text available
Bumblebees of the subgenus Bombus s. str. dominate (or used to dominate) many north temperate pollinator assemblages and include most of the commercial bumblebee pollinator species. Several species are now in serious decline, so conservationists need to know precisely which ones are involved. The problem is that many Bombus s. str. species are cryp...
Article
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Bombus cullumanus s. str. has attracted some of the greatest conservation concerns among bumblebees in Europe because it might now be extinct. However, there has been long-standing disagreement about whether it is conspecific with other eastern pale-banded bumblebees. We investigate these relationships using new data from DNA (COI) barcodes. The re...
Article
Full-text available
The annotated list including 1735 invertebrate species (5 species of Nemathelmintes, 5 species of Annelida, 34 species of Mollusca and 1691 species of Arthropoda: 7 species of Crustacea, 153 species of Arachnida and 1531 species of Insecta) is presented. Among insect orders the largest number of species are known from Lepidoptera (620 species), Col...
Article
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New data allow to describe the distribution pattern of B. sylvaum in the eastern part of its range more exactly. Data for abundance and ecotopes are given.
Article
The diversity and abundance of bumble bees in the city of Novosibirsk and its environs have been investigated. A list of registered species is given with an estimation of their relative abundance. For the first time Bombus pseudobaicalensis Vogt, 1911, B. saltuarius (Skorikov, 1931), Psithyrus barbutellus (Kirby, 1802), Ps. norvegicus (Sparre-Schne...
Article
Full-text available
32 species of Bombus and 7 species of Psithyrus are recorded in the forest-steppe and steppe zones of the West Siberian Plain. The distribution of some bumblebee species in West Siberia with confusing or mistaken reference data, has been reexamined. The westernmost localities for B. pseudobaicalensis Vogt, 1911, and easternmost for B. sylvarum (Lin...

Projects

Project (1)
Project
Faunistic study was initially made within the framework of the “Catalogue of Hymenoptera of Russia”. Now there are additions to this Catalogue.