Статьи

A new feather mite species, Dolichodectes sibiricus sp. n. (Pterodectinae), is described from the Dark-sided Flycatcher, Muscicapa sibirica Gmelin, JF, captured on the southern coast of Lake Baikal, Buryatia, Russia. The new species is closest to D. allocaulus (Gaud and Mouchet 1957) and D. platynocercus (Gaud and Mouchet, 1957) from Africa and is distinguished from them in the following features. In males of D. sibiricus, the lateral enlargements of opisthosomal lobes are of a complicated form and consist of distinct angular projections bearing setae f2 and rounded ledges at level of setae h2, and the aedeagus extends to the level of setae ps3; in females, the prodorsal and hysteronotal shields lack ornamentation, the terminal appendages at their bases are 2–2.5 times thicker that setae h2, and setae e2 are situated closer to the level of setae e1 than to the posterior margin of the hysteronotal shield. Brief comments on the systematics of the genus Dolichodectes, a key to the known species, an updated checklist of the world fauna, as well as host associations are provided.

The paper describes a new species, Trouessartia cyane sp. n., collected from the Siberian Blue Robin Larvivora cyane (Pallas) (type host) and the Rufous-tailed Robin L. sibilans Swinhoe in Primorsky Krai (the Russian Far East). The description is supplemented with barcoding data (mitochondrial cytochrome C oxidase subunit I gene).

Trouessartia cyane is closest to T. larvivorae Mironov, 2021 and T. rubecula Jablonska, 1968, differing mainly in measurable characteristics. In particular, in males of T. cyane, the length of terminal lamellae is 20–23 (vs. 25–30 in T. larvivorae and 30–35 in T. rubecula); in females, the length of idiosoma is 515–545 (vs. 555–590 in T. larvivorae and 570–625 in T. rubecula), the distance between setae se is 85–90 (vs. 100–120), the width of opisthosoma at the level of setae h2 is 87–97 (vs. 105–115), setae h1 are thin spiculiform (vs. lanceolate).

Genetic distances within T. cyane, as well as between the new species and four closely related Trouessartia species from four muscicapids distributed in northern Eurasia, have been analyzed using Kimura’s two-parameter (K2P) model. Intraspecific genetic distances within T. cyane varied between 0.006 and 0.01; interspecific distances between the new species and morphologically
close species ranged from 0.154 (T. rubecula) to 0.185 (T. calliope).

Phoretic deutonymphs of Winterschmidtia tawantinsuyuca sp. n. (Acari: Winterschmidtiidae) are described from Peru. This is the fourth species of the genus recorded in the Neotropical realm. Similar to the three other Peruvian species, the new species is phoretic on bark beetles, but this is the first finding of Winterschmidtia on the beetles of the genus Xyleborus (Coleoptera: Curculionidae: Scolytinae). The new species differs from all others in the ornamentation on of its prodorsal shield.

We describe unusual heteromorphic deutonymph of Mycetinopus striatipedis gen. and sp. n. (Acari: Acaridae) phoretic on the handsome fungus beetle Mycetina marginalis (Coleoptera, Endomychidae) in the Eastern Palearctic. These deutonymphs have a unique combination of character states that make them very distinct in the family Acaridae: an unpaired pigmented spot
on the anterior propodosoma is present; supracoxal setae scx filiform and bifurcate; genu I with two solenidia; tibia-tarsi I–II are distinctly elongated and striated; vertical setae ve are present, and tarsal setae aa are lacking. Our work emphasizes the importance of continued exploration and documentation of the biodiversity of astigmatid mites associated with invertebrate hosts.

The Indian government has recently transformed its indirect taxation system with the adoption of Goods and Service Tax (GST) in India. However, this taxation reform has a direct impact on the compliance behavior of the taxpayer as explicated by low GST revenue of the country. Since GST is a new taxation law in India, it become pertinent to explore the compliance behavior of GST taxpayers to proffer valuable suggestions and feedback to the concerned authorities for devising appropriate policies and strategies to comprehend and control the non-compliance behavior of the GST taxpayers. Therefore, the present study analyzed the compliance behavior
of GST taxpayers by synthesizing the theory of planned behavior by collecting the data from 503 GST taxpayers using snowball random sampling with the application of exploratory and confirmatory factor analysis. The collected data was analyzed using exploratory and confirmatory factor analysis to confirm the theory of planned behavior to comprehend the compliance behavior of the GST taxpayers. The findings of the study assert that the theory of planned behavior explain the 60.1% variance of the total compliance behavior of the GST taxpayers. Moreover, the findings posit that the attitude, subjective norms and perceived behavioral control have a positive impact on the compliance behavior of the GST taxpayers. The proposed instrumental scale may be applied in future research studies to comprehend the compliance behavior of GST taxpayers at national and international level and therefore, this study may have major implications for the government, academicians and policy makers for
improving the compliance behavior of the GST taxpayers.

A survey of the state of the world and Russian market for selenium and tellurium is made on the basis of published studies.

The following goals were set within the scientific work: to create a method, an
algorithm and a program for compression of raster (pixel) graphic information using special
mathematical methods, or affine transformations. The main task was to provide a high degree of image compression with a minimum deterioration of image quality. An original method for replacing a large number of pixel blocks in the source image by a relatively small number of the most suitable specially created domain blocks was developed. Affine transformation consists in moving any domain block from a set to any part of the image, while ensuring maximum similarity of source and domain blocks.

To implement the method, an algorithm and a program in the modern and popular Python language have been developed. We have considered the example of image transformation in grayscale of 256x256 pixels using domain blocks created from 4x4 pixel image areas. The result is an image visually indistinguishable from the original image, which requires only 0.3125 of the original information to describe. Calculations were also performed with a smaller number of domain blocks.

The developed method and program proved a high degree of compression of bitmap images with preservation of their quality. It is possible to further improve the described algorithm and the program presented on the author’s site by simultaneous application of different types of affine transformations.

It is shown that the same method can be used not only for image processing, but also for the detection of similarity (fractal properties) in any flow of information.

This paper analyzes artificial acoustical impact inside natural clouds, in particular inside the non-precipitated stratiform clouds, non-precipitating shallow cumulus clouds, and Cu-clouds with drizzle. Optimal power and frequency for acoustical impact were indicated based on properties of natural cloud, such as liquid water content, droplet concentrations, and the average diameter size of a droplet ensemble followed by lognormal or gamma size distributions in the presented consideration. The model is constructed to ensure collisions of neighboring droplets when they vibrate in acoustical field to merge with mass unification, but the process is designed with a minimum required level of acoustic power for comfort realization in practice. Vibration model of suspended droplets with typical size in cloud is analyzed. The optimized acoustic power is near 130 dB, and frequency f  50 – 100 Hz, and detailed characteristics are indicated for each cloud type depending on their parameters. Simple formulas and typical calculations for droplet amplitude are presented in terms of parameters of acoustical field as well as cloud characteristics. The first low-frequency acoustic experiments for clouds are performed and presented. The low-frequency method has shown a promising potential to be used for precipitation enhancement to tackle water shortage problem in the modern world.

The author has extended possibilities of axiomatic method for writing deductive theories in biology and anthropology and their parallel systematization by creating an algorithm consisting of 32 rules. The algorithm is based on the hypothesis that all words are deductible from each other and on the hypothesis that the properties of the living beings are periodically repeatable when they are arranged in a row. The hypotheses made it possible to find two periodic systems similar to D.I. Mendeleev’s system. These systems help to determine the order of axioms in a row of theories. The algorithm is supplemented by links of axioms that are similar in the non-living, living, and intelligent worlds with notions of symmetry. The work can raise the axiomatic method to a new level also in the area on unification of knowledge.

The paper еtheorizes the relationship between a redshift in the electromagnetic spectrum of space objects and their gravity and demonstrates it with computational experiments. Redshift, in this case, is a consequence of deceleration of the photons emitted from the surface of objects, which is caused by the gravity of these objects. The photon speed reduction due to the attraction of space gravitating object (GO) is defined as ΔC = C-C ‘, where C’ is a photon speed changed by the time the receiver records it. Then, at photon speed variation between a stationary source and a receiver, the redshift factor is determined as Z = (C-C ‘)/C’. Computational experiments have determined the gravitational redshift of the Earth, the Sun, a neutron star, and a quasar. The graph of the relationship between the redshift and the ratio of sizes to the mass of any space GOs washas been obtained. The findings indicate that the distance to space objects does not depend on the redshift of these objects.

The paper considers the features of the mutual influence caused by the ice cover of the Arctic waters and the meridional components of the atmospheric circulation in the Northern Hemisphere of Earth, which are manifested in the modern period. The identification of such features is an urgent problem of climatology, meteorology, oceanography, as well as the maritime transport industry.
The subject of this research is the statistical relationship between interannual changes in a number of characteristics of the Arctic ice cover and components of the atmospheric circulation. The features of the impact of external factors on them are also investigated.
The paper checks the adequacy of the hypothesis put forward that the significant factors of the interannual variability of the characteristics belonging to Arctic Air Outbreak that occur in the summer season in a number of regions of the Arctic include variations in the state of their ice cover caused by the combined effect of global warming and the decline of the average level of solar activity taking place in the current period.
To achieve this goal, there are considered the results of a retrospective analysis of changes in 1993–2019 concerning average daily values of the average thickness of the ice cover, its concentration, average temperature and salinity of the surface layer of the Arctic water areas, as well as air temperatures and meridional components of wind speed in various layers of the troposphere. The specified information has been obtained from the GLORYS, V12, NCEP / NCAR, and ERA - Interim electronic databases. The method of correlation analysis and statistical goodness-of-fit tests were used to assess the adequacy of the hypothesis under consideration.
Using the example of the Arctic waters located in the European, Siberian, Far Eastern and Pacific sectors of the Northern Hemisphere, the features of the mutual influence of changes in the state of their ice cover and meridional components of the atmospheric circulation in the summer season are revea