1. Biological Invasions: European Smelt Osmerus eperlanus (L.) and Microsporidium Glugea hertwigi Weissenberg, 1911

   • L. V. Anikieva
   • E. P. Ieshko
   • Yu. S. Reshetnikov

   OriginalPaper 31 March 2022 Pages: 1 - 10

   

2. Xylophilic Coleoptera Fauna of the Yew-Boxwood Grove in the Caucasian Biosphere Reserve after the Disappearance of Boxwoods

   • A. R. Bibin

   OriginalPaper 31 March 2022 Pages: 11 - 14

   

3. Alien Species of Fish Helminths of Belarus

   • E. I. Bychkova
   • M. M. Yakovich
   • S. M. Degtyarik

   OriginalPaper 31 March 2022 Pages: 15 - 21

4. Shading and Light Interception in Thickets of Invasive Acer negundo and Sorbaria sorbifolia

   • D. V. Veselkin
   • D. I. Dubrovin
   • A. V. Yakovleva

   OriginalPaper 31 March 2022 Pages: 22 - 31

   

5. Feeding of the Alien Round Goby Neogobius melanostomus (Perciformes: Gobiidae) in the Southeastern Baltic

   • A. V. Guschin
   • E. E. Ezhova
   • E. A. Borovikova

   OriginalPaper 31 March 2022 Pages: 32 - 40

   

6. Distribution and Biology of Invasive Species of Bean Bruchid Acanthoscelides obtectus (Insecta, Coleoptera, Bruchidae)

   • V. G. Kaplin

   OriginalPaper 31 March 2022 Pages: 41 - 57

   

7. Distribution of the Small Spruce Bark Beetle Ips amitinus (Eichhoff, 1872) in Western Siberia

   • I. A. Kerchev
   • S. A. Krivets
   • N. A. Smirnov

   OriginalPaper 31 March 2022 Pages: 58 - 63

   

8. Distribution of Alien Species of Macrozoobenthos and the Species Cenotic Complexes in the Kama Reservoirs

   • E. M. Kurina
   • D. G. Seleznev
   • N. G. Sherysheva

   OriginalPaper 31 March 2022 Pages: 64 - 73

   

9. Propagation, Trophic Connection, and Phenology of Metcalfa pruinosa (Say, 1830) (Auchenorrhyncha: Hemiptera) in the Gryshko National Botanical Garden of the National Academy of Sciences of Ukraine

   • N. V. Kushnir
   • L. M. Bondareva

   OriginalPaper 31 March 2022 Pages: 74 - 80

   

10. First Finding of Solidago × niederederi Khek. (Asteraceae) in Tula Region (European Part of Russia)

    • S. N. Lysenkov
    • M. A. Galkina

    OriginalPaper 31 March 2022 Pages: 81 - 86

    

11. Harmonia axyridis (Pallas, 1773) (Coleoptera: Coccinellidae) in the Cities of Moscow and Yalta: Its Competition with Native Species of Coccinellids and the Influence of Parasitoids on Its Number

    • D. A. Romanov
    • E. A. Matveikina

    OriginalPaper 31 March 2022 Pages: 87 - 104

    

12. Introduction of Mammals in Yakutia: Analysis of Effectiveness, Prospects, and Negative Impacts

    • E. G. Shadrina
    • Ya. L. Volpert
    • I. M. Okhlopkov

    OriginalPaper 31 March 2022 Pages: 105 - 122

    

13. Distribution of Alien Zoobenthic Species on the Black Sea Shelf

    • N. N. Shalovenkov

    OriginalPaper 31 March 2022 Pages: 123 - 139

    

14. Preliminary Estimation of the Influence of Cydalima perspectalis Invasion on the Species Composition and Structure of Earthworm Population (Oligochaeta: Lumbricidae, Acanthodrilidae) in the Range of Buxus sempervirens (Western Caucasus)

    • I. B. Rapoport
    • A. Yu. Puzachenko
    • N. L. Tsepkova

    OriginalPaper 31 March 2022 Pages: 140 - 157