1. Fine Structure of the Egg Chorion in Catocala (Lepidoptera, Erebidae)

   • K. A. Kolesnichenko
   • A. V. Sidorov

   OriginalPaper 25 October 2021 Pages: 593 - 600

   

2. First Data on the Larval Morphology of the Genus Strongylophthalmyia Heller, 1902 (Diptera, Strongylophthalmyiidae)

   • N. P. Krivosheina

   OriginalPaper 25 October 2021 Pages: 601 - 609

   

3. Diversity of Fleas—Plague Vectors: Species of the Genus Neopsylla Wagner, 1903 (Siphonaptera, Hystrichopsyllidae)

   • S. G. Medvedev
   • D. B. Verzhutsky
   • B. K. Kotti

   OriginalPaper 25 October 2021 Pages: 610 - 624

4. First Data on the Biology of the Genus Timia Wiedemann, 1824 (Diptera, Otitidae, Ulidiinae)

   • N. P. Krivosheina
   • M. G. Krivosheina

   OriginalPaper 25 October 2021 Pages: 625 - 635

   

5. Additions to the Second Edition of the Catalogue of the Lepidoptera of Russia: East Siberian Regions. Part 1

   • I. A. Makhov

   OriginalPaper 25 October 2021 Pages: 636 - 646

   

6. New Data on the Distribution of Species of the Genus Bittacus (Mecoptera, Bittacidae) in European Russia and Kazakhstan, with Notes on Their Diagnoses

   • V. Yu. Savitsky
   • A. V. Timokhov

   OriginalPaper 25 October 2021 Pages: 647 - 659

   

7. Interesting Records of Weevils (Coleoptera, Curculionoidea) near the Boundary between Europe and Asia

   • S. V. Dedyukhin
   • B. A. Korotyaev

   OriginalPaper 25 October 2021 Pages: 660 - 676

   

8. Species of the Subgenus Lumetus Zaitzev (Coleoptera, Hydrophilidae: Enochrus Thomson) of the Fauna of Russia and Adjacent Countries

   • S. V. Litovkin
   • A. S. Sazhnev
   • A. A. Prokin

   OriginalPaper 25 October 2021 Pages: 677 - 699

   

9. First Record of a Parasitic Wasp of the Genus Anaprostocetus Graham, 1987 (Hymenoptera, Eulophidae: Tetrastichinae) from Russia (Environs of St. Petersburg)

   • O. V. Kosheleva

   OriginalPaper 25 October 2021 Pages: 700 - 704

   

10. Genus Mesorhaga Schiner, 1868 (Diptera, Dolichopodidae) on Madagascar, with Description of a New Species

    • I. Ya. Grichanov

    OriginalPaper 25 October 2021 Pages: 705 - 708

    

11. Structure of Haller’s Organ and Taxonomy of Hard Ticks of the Subfamily Amblyomminae (Family Ixodidae)

    • S. A. Leonovich

    OriginalPaper 25 October 2021 Pages: 709 - 724

    

12. Analysis of Findings and Host-Parasite Relations of the Tick Ixodes trianguliceps Birula, 1895 (Ixodidae, Ixodinae) in Northwestern Russia and in Neighboring European Countries

    • D. S. Fedorov
    • S. A. Leonovich

    OriginalPaper 25 October 2021 Pages: 725 - 732