Tropical and Subtropical Velvet Ants of the Genus Dasymutilla Ashmead (Hymenoptera: Mutillidae) with Descriptions of 45 New Species
A taxonomic review of the genus Azteca (Hymenoptera: Formicidae) in Costa Rica and a global revision of the aurita group
Parastephanellus Enderlein (Hymenoptera: Stephanidae) revisited, with description of two new species from China
Ensign wasps (Hymenoptera: Evanioidea, Evaniidae) in the fauna of Russia, with description of a new Brachygaster Leach species from Tajikistan and Uzbekistan
Revision of Archaeoteleia Masner (Hymenoptera: Platygastroidea, Scelionidae)
A taxonomic review of Cuban Eiphosoma Cresson (Hymenoptera: Ichneumonidae), with biogeographical notes
The Crematogaster (Hymenoptera, Formicidae, Myrmicinae) of Costa Rica
The arctic and alpine bumblebees of the subgenus Alpinobombus revised from integrative assessment of species’ gene coalescents and morphology (Hymenoptera, Apidae, Bombus)
A new species of Nysson Latreille (Hymenoptera: Crabronidae: Bembicinae) from Turkmenistan
Genera of the parasitoid wasp family Monomachidae (Hymenoptera: Diaprioidea)
The rare genus Leptospathius Szépligeti (Hymenoptera, Braconidae, Doryctinae) from China, with description of a new species
Lectotype designations, taxonomic notes and new synonymies in some species of the bee genus Centris Fabricius, 1804 described by Amédée Lepeletier de Saint-Fargeau (Hymenoptera: Apidae)
Taxonomic contributions to the genus Charops Holmgren, 1859 (Hymenoptera: Ichneumonidae), with description of seven new species from Brazil
Pediobius sasae (Hymenoptera: Eulophidae), a new species from galls on dwarf bamboo (Sasa nipponica) in Japan
Closterocerus oryzamyntor (Hymenoptera: Eulophidae: Entedoninae), a larval parasitoid of the rice hispa Dicladispa armigera in Bangladesh (Coleoptera: Chrysomelidae: Hispinae)
Three new Middle-Eastern species of Foenatopus Smith (Hymenoptera: Stephanidae) with a new host record and key to species with two spots on the metasoma