On the Reproductive Diapause in the Predatory Ladybird Cheilomenes sexmaculata (Fabricius, 1781) (Coleoptera, Coccinellidae) S. Ya. ReznikA. N. OvchinnikovN. A. Belyakova OriginalPaper Open access 25 May 2021 Pages: 1 - 6
Male Genitalia Muscles of the Blues’ Tribe Miletini (Lepidoptera, Lycaenidae: Miletinae) A. I. KorzeevA. A. Stekolnikov OriginalPaper 25 May 2021 Pages: 7 - 22
Histomorphology of the Male Reproductive System and Spermatogenesis of Phyllobius (Ectomogaster) fulvago Gyllenhal, 1834 (Coleoptera, Curculionidae): A Light and Scanning Electron Microscope Study M. ErbeyN. Özyurt KoçakoğluS. Candan OriginalPaper 25 May 2021 Pages: 23 - 44
Morphology and Biology of the Preimaginal Stages of Some Species of the Genus Eupithecia Curt. (Lepidoptera, Geometridae) V. G. Mironov OriginalPaper 25 May 2021 Pages: 45 - 58
Populational and Karyological Analysis of the Phytophilous Chironomid Endochironomus tendens F. (Diptera, Chironomidae). 2. Chromosomal Polymorphism and Cytogenetic Differentiation in Populations A. A. OgleznevaN. A. DurnovaM. Yu. Voronin OriginalPaper 25 May 2021 Pages: 59 - 70
A Review of the Antlion Fauna (Neuroptera, Myrmeleontidae) of Madagascar and Analysis of Its Genesis Based on the Collection of the Zoological Institute RAS, St. Petersburg V. A. Krivokhatsky OriginalPaper 25 May 2021 Pages: 71 - 96
On the Knowledge of the Leaf-Beetle Fauna (Coleoptera, Chrysomelidae) of Siberia and the Russian Far East P. V. Romantsov OriginalPaper 25 May 2021 Pages: 97 - 120
New Data on the Pteromalid Wasps (Hymenoptera, Chalcidoidea: Pteromalidae) of the European Part of Russia E. V. Tselikh OriginalPaper 25 May 2021 Pages: 121 - 135
New Combinations in the Genus Achrus Lindberg (Hemiptera, Auchenorrhyncha: Cicadellidae: Megophthalminae) V. M. Gnezdilov OriginalPaper 25 May 2021 Pages: 136 - 137
A New Species of the Weevil Genus Dermatodina Faust (Coleoptera, Curculionidae) from Vietnam V. Yu. Savitsky OriginalPaper 25 May 2021 Pages: 138 - 146
