Jan Macek, one of the leading personalities of the Czech hymenopterology, celebrated his 70th birthday in 2023. His entire professional career has been associated with the Department of Entomology at the National Museum in Prague (since 2023 officially the National Museum of the Czech…

Based on the external characters, genital structures, distribution, and intermediate individuals from contact zones, the endemic species Amathuxidia morishitai Chou & Gu, 1994 from Hainan, China is treated as conspecific with A. amythaon (Doubleday, 1847) and is downranked to a subspecies…

The monotypic pselaphine New Zealand genus Adalmus Reitter, 1882 (Euplectitae: Trichonychini: Panaphantina) is revised to include eight species. Six new species are described: Adalmus bullerensis sp. nov., A. kanierensis sp. nov., A. karekarensis sp. nov., A. mangamukaensis sp. nov., A. puberilumbus…

During an inventory of the Gelastocoridae in the Naturalis Biodiversity Center, Leiden, The Netherlands (formerly Rijksmuseum van Natuurlijke Historie, Leiden, The Netherlands), and the Nieser & Chen Collection in Tiel, The Netherlands, we came across an undescribed species of Nerthra Say, 1832…

The antlion species Myrmeleon trigonois Bao & Wang, 2006 is endemic to Chinese mainland; it has pronotum with a pair of pale yellow spots, and modified ectoproct, forming a hook-like projection posteroventrally. Based on morphological comparison and molecular evidence, we found that all…

This paper presents the inventory of exclusively marine Heteroptera species, including taxa of three families of Gerromorpha, Hermatobatidae, Veliidae, and Gerridae, from Vietnam. A new species of coral treaders, Hermatobates sanho sp. nov. from the southern area of Vietnam is described.…

Twenty undescribed species of Panorpa Linnaeus, 1758 from southwestern China share some morphological similarities such as basally constricted male abdominal segment VII, loss of median process in male gonostyli, and greatly developed female laterotergites IX with the little-known species…

A new genus Notopeza gen. nov. is proposed for Platypeza brunnescens Collin, 1931. This species was originally described from a single female. The male is newly described and diagnostic features are illustrated. The new genus is diagnosed and its relationships are discussed.

Acantholyda nemeri sp. nov. (Hymenoptera: Pamphiliidae) is described from adults of both sexes from Lebanon. Its host plant is probably Cedrus libani, the cedar of Lebanon (Pinaceae). The new species shows a combination of adult characters that makes placing it in one of the two widely-recognised…

A total of 23 species of the genus Tachinus Gravenhorst, 1802 (Coleoptera: Staphylinidae: Tachyporinae) in Japan are identified from collections around the world. They are listed with detailed collecting data. Tachinus (Tachinus) dujieae sp. nov. is described from Japan: Honshu: Nagano…

A new ant-attended species, Balcanocerus agapetomyrmices sp. nov. (Hemiptera: Cicadellidae: Eurymelinae), is described from Bulgaria. The only known host plant is Pyrus amygdaliformis Villars, 1807 (Rosaceae). Both the adults and the nymphs often form small aggregations of 4–6 individuals that…

The West Palaearctic species of the genus Pteremis Rondani, 1856 (Diptera: Sphaeroceridae) are revised, including the type species of the genus and its synonyms. A total of six species are recognized, four of them new – Pteremis fenestralis (Fallén, 1820) (type species, wing polymorphic),…

The morphological structure of mature larvae of Attalus (Attalus) elongatulus Lewis, 1895 as well as its bionomics and life cycle are described for the first time. In the family Malachiidae, an univoltine life cycle is newly disclosed, and the sclerites on the larval abdominal tergites are…

A new species of the assassin bug of the genus Pygolampis Germar, 1817 (Hemiptera: Heteroptera: Reduviidae: Stenopodainae), P. amamiko sp. nov., collected from the Amami Islands, Japan, is described and its morphological characters, including the genital structures, are illustrated. A key…

During studying European material of Orthonevra Macquart, 1829 the presence of two widespread species so far interpreted as Orthonevra brevicornis (Loew, 1843) has been discovered. One species occurs from Central Europe into Transcaucasia and agrees with the taxon O. brevicornis of Loew (1843).…