Works on Insect and Arachnid Ecology and Behavior

The genus Cardiocondyla Emery, 1869 is a diverse group of ants in the subfamily Myrmicinae, with a total of 89 recognised species and subspecies recorded worldwide. A new species …

A new ant species, Messor odrysarum sp. nov., of the Messor structor species group, is described based on worker, gyne and male castes collected in Eastern Rhodopes, Bulgaria. The…

Small carpenter bees (Ceratina) are a morphologically diverse group of bees with a cosmopolitan distribution. The ~370 species of this group have been further classified in 25 dif…

Data on 14 species of the genus Colletes Latreille, 1802 collected in the Nakhchivan Autonomous Republic of Azerbaijan in 2018–2025 are provided. Among them, Colletes perplexus sp…

The genus-level classification of the ant subfamily Ponerinae (Hymenoptera: Formicidae) is revised based on a comprehensive phylogenomic analysis of more than 2,300 ultraconserved…

Camponotus and Colobopsis are two species-rich genera within the ant tribe Camponotini. Despite their non-sister phylogenetic relationship, pronounced morphological convergence ha…

Cryptotermes mobydicki sp. nov. is described from the soldier caste. The soldier is unique among all Cryptotermes species worldwide for its very narrow, elongate head capsule term…

Leaf insects of the genus Phyllium Illiger, 1798 are primarily distributed across Southeast Asia, with most species known from the Philippines, Malaysia, and Indonesia. Subsequent…

Nasutitermes aurantius sp. nov., is described from Central Panama. The soldier is unique among Central American Nasutitermes by its small size and orange head capsule coloration. …

Females and males of six species of Pseudoglomeris, P. (P.) sculpta, P. (P.) valida moderata, P. (P.) fallax, P. (P.) beybienkoi, P. (Glomerexis) semisulcata, and P. (G.) angustif…

The subfamily Epipleminae, the largest group within Uraniidae (Lepidoptera, Macroheterocera, Geometroidea), comprises small, nocturnal moths primarily distributed in tropical regi…

The subfamily Geracinae Brindle, 1971, and the genus Pseudovostox Borelli, 1926, are recorded for the first time from China. These new records were confirmed by collections from G…

Leaf-cutter ant nests attract a wide variety of guests and parasites due to considerable food resources, substrate and shelter available within nests. Limited information is known…

The genus Monomorium is an important phylogenetic group, notable for its taxonomic complexity and the presence of several well-known tramp species. In this study, we present a des…

Among the very rarest of Nearctic ants are three species of inquiline social parasites belonging to the genus Monomorium, namely Monomorium inquilinum DuBois, Monomorium pergandei…

The rather small millipede family Rhachodesmidae is endemic to Central America, and is represented in Costa Rica by only four species of the genus Aceratophallus, including A. log…

For the first time, Bethylus Latreille, the type genus of Bethylidae (Hymenoptera, Chrysidoidea, Bethylinae), is reported from the Korean Peninsula based on the discovery of a new…

Paravelia Breddin, 1898 is the most speciose genus of the subfamily Veliinae (Hemiptera, Heteroptera, Gerromorpha, Veliidae). It has gone through revisions since the 1990s, with s…

In this paper, Tetramorium sinensis sp. nov., a parabiotic ant, is described. It was discovered within the nest of the queenless ant Diacamma rugosum (Le Guillou, 1842) in Fenghua…

Ellingsenius renae sp. nov., encountered in Guizhou, southern China and the eighth species of the genus, is described and illustrated. An analysis of the COI mitochondrial gene (L…

This paper presents the first comprehensive checklist of Mantodea species in Myanmar, reporting a total of 54 species belonging to 11 families and 32 genera, one of which (i.e., S…

Three new species of Nocticola Bolívar, 1982 from Guangxi Province, China are described: Nocticola baiguensis sp. nov., Nocticola cordiformis sp. nov., and Nocticola appendiculata…

The species of the ant genus Nesomyrmex inhabiting the tropical dry forest (TDF) of Colombia are reviewed. Three new species of this genus, Nesomyrmex iku sp. nov., Nesomyrmex kon…

The species of the ant genus Brachyponera Emery, 1900 are reviewed based on the morphological characters of the worker caste. Brachyponera tianzun (Terayama, 2009) is transferred …

We describe herein a previously unknown species of bark beetle, Phloeosinus metasequoiae Ning, sp. nov., which was discovered in the Xingdoushan National Nature Reserve, Hubei Pro…

A taxonomic review of the seashore-inhabiting Medon Stephens along the East Asian coasts is presented based on morphological and molecular characters (COI). Specimens of Medon cal…

A field study of spatial activity and sheltering behaviour of terrestrial isopods was carried out using Porcellio scaber and Armadillidium versicolor, two model species of woodlic…

Two new species of the genus Psen Latreille, 1796, namely Psen fronistriatus sp. nov. and Psen scabrosus sp. nov. are described and illustrated from China. A key to the Chinese sp…

The ant genus Zasphinctus are fascinating ants due to their distinctive morphology, ecology, and rarity. In this study, a comprehensive revision of Zasphinctus in the Afrotropical…

This study presents a description of a new stick insect species belonging to the genus Trychopeplus Shelford, 1909, discovered by the authors in the Chocó ecoregion of northwester…

Weevils represent one of the most speciose and economically important animal clades, but remain poorly studied across much of the Oriental Region. Here, an integrative revision of…

Meranoplus Smith, 1853 is distributed in the Old World tropics, from Africa, Asia, New Guinea to Australia. There are four species Meranoplus bicolor (Guérin-Méneville, 1844), M. …

The clonal raider ant, Ooceraea biroi, is a queenless species that reproduces asexually, and these traits make it an attractive model system for laboratory research. However, it i…

A new ant species, Paraparatrechina neela sp. nov., with a captivating metallic-blue color is described based on the worker caste from the East Siang district of Arunachal Pradesh…

Ctonoxylon is a strictly Afrotropical genus of bark beetles breeding under bark of rainforest trees and lianas. A taxonomic revision of the genus included a molecular phylogenetic…

Leptogenys is the most diverse genus of the ant subfamily Ponerinae and is widely distributed across the world’s tropical and subtropical regions. More than 40 species are known f…

Four new inquiline social parasites are described in the dolichoderine ant genus Tapinoma from the Nearctic region, and keys are provided for queens and males of the Nearctic Tapi…

Hanseniella chilensis is the only myriapod of the class Symphyla known from Chile. This garden centipede, or pseudocentipede, was described more than 120 years ago based on morpho…

The genus Leptanilla Emery, 1870 of the family Formicidae, subfamily Leptanillinae, comprises miniscule, pale, blind ants that are rarely collected and poorly understood due to th…

Two new species of ponerine ants from Hainan Province, China, Leptogenys hainanensis sp. nov. and L. zhoui sp. nov., are delineated and depicted based on the worker caste. Leptoge…

New data are presented for the potter wasp genus Orancistrocerus van der Vecht (Eumeninae, Odynerini) occurring in Vietnam. Two species are described as new to science: Orancistro…

The ants of the genus Rhopalothrix are diverse in the Neotropical region, with 14 of the 16 described species. Based on museum material and recent fieldwork, Rhopalothrix ants in …

A new Chinese ant species Carebara laeviceps sp. nov. is described based on the major and minor workers. This species is most similar to C. lusciosa (Wheeler, 1928) due to a spine…

The genus-level taxonomy of the ant subfamily Leptanillinae (Hymenoptera: Formicidae) is here revised, with the aim of delimiting genus-level taxa that are reciprocally monophylet…

This paper presents numeric morphology-based evidence on the broadly overlapping distribution of two thief ant species Solenopsis fugax (Latreille, 1798) and S. juliae (Arakelian,…

The present study is an update to the first catalogue of Russian bees published in 2017. For the Russian fauna, five recently described species are reported, as well as 45 species…

Messor is a diverse genus of Myrmicinae with 168 extant species and subspecies. In the Mediterranean, some of its taxa historically were classified as members of the Messor instab…

The doryline ant genus Eburopone Borowiec, 2016 currently contains only one valid species, E. wroughtoni (Forel, 1910) from southern Africa, with a considerable number of undescri…

Five new species, Anisandrus montanus sp. nov., A. phithakpa sp. nov., A. tanaosi sp. nov., A. triton sp. nov., and A. uniseriatus sp. nov. are described from Thailand. Anisandrus…

A new termite species, Cryptotermes pugnus sp. nov., is described from northeastern Brazil. The winged imago of C. pugnus is distinguished from most congeners by the lack of aroli…