Caucasian Entomological Bulletin

This issue (Vol. 21, iss. 2, 2025) of the Caucasian Entomological Bulletin contains 18 scientific published research papers, review paper and short communications by authors from Russia, Kazakhstan, Turkey and Germany. The issue contains publications on Araneae (3) and Insecta: Zygentoma (1), Neuroptera (1), Coleoptera (8), Diptera (2), Hymenoptera (1), Lepidoptera (1) from the Russian Far East, Southern Siberia, Eastern Europe, Central Asia and Kazakhstan, China, the Middle East and the Caucasus. One review paper is devoted to neuroarchitectonics of Insect mushroom bodies. In total, two subspecies and 24 new species, one subgenus of insects and 2 new species of Araneae are described in this issue. In addition, one paper in honour of the 180th anniversary of Edmund Reitter's birth and congratulations for Yu.G. Arzanov on the anniversary were published.