A revision of the Neotropical eumenine wasp genus Stenosigma Giordani Soika, 1978 (Hymenoptera, Vespidae)
A new Cryptalyra species from Colombia (Hymenoptera: Megalyridae)
A revision of male ants of the Malagasy region (Hymenoptera: Formicidae): Key to subfamilies and treatment of the genera of Ponerinae
A remarkable new species of Sinotilla Lelej (Hymenoptera: Mutillidae: Smicromyrmini) from Taiwan and an overview of color diversity in East Asian mutillid females
Taxonomic revision of Cyphanthidium Pasteels (Hymenoptera: Apoidea: Megachilidae: Megachilinae: Anthidiini), an endemic Afrotropical bee genus
Redescription and placement of the Oriental Scaphepyris rufus Kieffer (Hymenoptera: Bethylidae)
The genus Passaloecus Shuckard (Hymenoptera: Crabronidae) from China with four new species and two new records
Revision of the subgenus Dufourea (Flavodufourea) Ebmer, 1984 (Hymenoptera, Halictidae, Rophitinae) and description of a new species D.(Flavodufourea) ulkenkalkana sp.nov. from Kazakhstan
Revision of the Oriental subgenus Patrisaspilota Fischer, 1995 (Hymenoptera: Braconidae: Alysiinae: Orthostigma Ratzeburg, 1844) with description of a new species from Papua New Guinea
Lathrolestes (Hymenoptera, Ichneumonidae) from Central Asia, with a key to the species of the tripunctor species-group
Lectotype designations, taxonomic notes and new synonymy in some species of the bee genus Centris Fabricius, 1804 described by William Henry Fox (Hymenoptera: Apidae)