Professor Miroslav Papáček (1953–2019) was an eminent specialist in morphology, taxonomy, systematics, biology and ecology of aquatic and semiaquatic bugs (Hemiptera: Heteroptera: Nepomorpha, Gerromorpha). All his career was connected with the Department of Biology, Faculty of Education,…

The Madagascan material of the halobatine genus EurymetraEsaki, 1926 (Hemiptera: Heteroptera: Gerridae: Halobatinae), which is deposited at the Natural History Museum Vienna, is revised. A close examination of “Eurymetra madagascariensis Poisson, 1945” revealed two new species, Eurymetra…

The world catalogue of the family Ochteridae (Hemiptera: Heteroptera: Nepomorpha: Ochteroidea) is compiled. The fossil subfamily Propreocorinae Popov, Dolling & Whalley, 1994, recently excluded from Ochteridae by other authors, is formally raised to family rank as Propreocoridae stat. nov. The…

In total, thirteen species of the genus Caryocolum Gregor & Povolný, 1954 (Lepidoptera: Gelechiidae) have been recorded from the Altai mountains in Russia so far. All available faunistic data are summarized and presented in detail. DNA barcodes of the mtCOI (cytochrome c oxidase I) gene of the…

The Formosan subterranean termite, Coptotermes formosanus Shiraki, 1909 (Blattodea: Rhinotermitidae), is a well-known pest of wood structures. Its native range has been widely investigated for potential implications for pest control strategies. Termitophilous staphylinid species of the genera…

A new species of Stenosini (Coleoptera: Tenebrionidae: Pimeliinae), Schizaraeus fouquei sp. nov. is described from southern Andes of Peru: Apurímac and Cusco regions. Prior to this study, Schizaraeus Kulzer, 1955 was monotypic with one species, S. acuticosta Kulzer, 1955 from…

The classification of Microhoriini Bonadona, 1974 is revised. Five genera are recognized: Aulacoderus LaFerté-Sénectère, 1849, Falsophilus Kejval, 2015, Liparoderus LaFerté-Sénectère, 1849, Microhoria Chevrolat, 1877, and Neocrohoria Telnov, 2019. (i) New species: Microhoria almukalla Kejval,…

The water scavenger beetle genus Coelostoma Brullé, 1835 of Taiwan is reviewed based on freshly collected material and museum specimens. Seven species are recognized, of which one new species, Coelostoma (Lachnocoelostoma) taiwanense sp. nov., is described. Distributional data of C. fallaciosum…

Three cavernicolous species of the ant-loving beetle subfamily Pselaphinae are described based on the material collected in the dark zone of limestone caves in southwestern China. Batraxis liyunchuni sp. nov. and Nipponobythus alienoceps sp. nov. from Guizhou are the first and third cave-dwelling…

The genus Bryanellocoris J. A. Slater, 1957 (Hemiptera: Heteroptera: Lygaeoidea: Rhyparochromidae: Ozophorini) is recorded from Laos for the first time. This record is based on the discovery of a new species, Bryanellocoris wakaharai sp. nov., collected from northern Laos. Illustrations of genital…

The genus-level names proposed by Johannes Gistel in Chrysomelidae are reviewed. The genus Chloemela Gistel, 1856 is designated as a nomen oblitum for Chrysolina Motschulsky, 1860 (nomen protectum), and Alitene Gistel, 1856 is designated as a nomen oblitum for Neophaedon Jacobson, 1901…

African species of the genus Prometopia Erichson, 1843 are reviewed. Two new species: Prometopia hirta sp. nov. (Zambia and Tanzania) and P. intermedia sp. nov. (Tanzania) are described and illustrated. Two previously known Afrotropical species, Prometopia binotata Murray, 1867 and…

Records of Depressariidae species collected in the Altai Republic (Russia) in 2014–2019 are presented. Agonopterix kyzyltashensis sp. nov., A. ustjuzhanini sp. nov., and Depressaria paraleucocephala sp. nov. are described as new for science. Depressaria leucocephala Snellen, 1884 is deleted…

Oxyporinae are a visually attractive and highly specialized mycophagous subfamily of rove beetles (Staphylinidae) with enigmatic origins and a largely unknown evolutionary history. Our knowledge of their immature stages and biology, valuable for solving questions about their phylogeny, is still very…

Species of the family Anthomyzidae (Diptera: Acalyptrata) occurring in Taiwan are reviewed. Eleven species have been recognized, 8 of them new to science. However, because of limited and poorly preserved material, only three species of the genus Anthomyza Fallén, 1810, viz. A. robusta sp. nov.…

The taxonomy of Guatemalan water beetles in the genus Hydrochus Leach, 1817 (Coleoptera: Hydrophiloidea: Hydrochidae) is presented. The known fauna now consists of six species, four of which are described as new species. The new species are diagnosed, and high-resolution images of the habitus and…

The Neotropical subgenus Platysaprinus Bickhardt, 1916 of the genus Euspilotus Lewis, 1907 is revised, keyed and figured. Saprinus myrmecophilus Bickhardt, 1910, is newly transferred into genus Euspilotus Lewis, 1907, subgenus Platysaprinus Bickhardt, 1916. Euspilotus (Platysaprinus)…

The morphology of immature stages of Helophorus (Gephelophorus) auriculatus Sharp, 1884 is described. This is the first description of the larva and pupa of the subgenus Gephelophorus Sharp, 1915. We describe the morphology of the egg-case, all larval stages (first to third instar,…

Three new species of the genus Sphaerobulbus Smetana, 2003 from China are described: S. smetanai sp. nov. from Sichuan, S. guangxiensis sp. nov. from Guangxi and S. ningliei sp. nov. from Yunnan. Diagnostic characters for the new species are illustrated. An updated key to species of…

A new genus of Rhyparochromidae, Scobinigaster gen. nov., with two new species, Scobinigaster henryi Kondorosy & Baňař, sp. nov. and Scobinigaster paveli Kondorosy & Baňař, sp. nov. is described from south-west Madagascar. The new genus is placed within the tribe Lethaeini of the…

 Type specimens from the collection of beetles (Coleoptera) deposited in the Department of Entomology, National Museum, Prague, are currently being catalogued. In this part of the catalogue dealing with the Staphylinini subtribe Philonthina (Staphylinidae: Staphylininae) we present information…

Venanides caspicus Abdoli, Fernandez-Triana & Talebi, 2019 (Hymenoptera: Braconidae) is fixed as a correct original spelling following Article 24.2.3 of ICZN (1999).