When it was described, the Australian bee Leioproctus idiotropoptera Packer, 2006 could not be placed to subgenus. Since then, several subgenera of Leioproctus Smith, 1853 from that region have been r...

Two new species belonging to the subgenus Aliolus Say, 1836 of the genus Eubazus Nees, 1812 (Hymenoptera, Braconidae, Brachistinae) from the Nearctic region are described and illustrated, Eubazus (Ali...

Philotrypesis Förster is one of the most species-rich genera of non-pollinating fig wasps associated with Old World fig trees (Moraceae, Ficus). Philoverdance Priyadarsanan was initially established t...

Despite their ecological importance, Darwin wasps (Ichneumonidae) are among the most poorly studied groups of organisms. It is therefore not surprising that their fossil record is even more poorly und...

Pensoft is proud to serve as a sponsor for the 11th Congress of the International Society of Hymenopterists, scheduled to take place from 10 to 14 August 2026 at the Instituto de Biología, Univ...

The European species of Sarops Nixon, 1942, (= Coelinius partim, sensu Wharton and Austin (1991)) are reviewed. The two existing species, S. rea Nixon and S. popovi Tobias, are compared to a new speci...

Journal of Hymenoptera Research publishes papers of high scientific quality reporting comprehensive research on all aspects of Hymenoptera, including biology, behavior, ecology, systematics, taxo...

The XIII European Congress of Entomology (ECE 2026) is set to be held in Tours, France, from June 29 to July 3, 2026. This international gathering is organised by the French Entomological Society and ...

Researchers have found more than five million bees living under a cemetery in Ithaca, N.Y. It's thought to be one of the largest bee aggregations ever.

The discovery began by chance in 2022 when a Cornell University technician noticed large numbers of bees in the cemetery and brought samples to the lab

Aphanogmus fumipennis Thomson, 1858 is one of the most frequently recorded ceraphronid parasitoid wasp species, considered to have a wide geographic distribution, numerous synonyms, and a broad host s...

Hymenoptera are among the most important members of temperate ecosystems, both for their contribution to ecosystem services and their role in overall ecosystem functioning. While they have received co...

Honeydew is a sugary excretion produced by sap-feeding hemipterans, such as scale insects and aphids. It has been regarded predominantly as a food resource for predators and omnivores insects. Its pot...

A new species Megachile (Hackeriapis) lucifer (Hymenoptera: Megachilidae) is described from both sexes. Megachile lucifer sp. nov. is of conservation importance, as it is a visitor to the range-restri...

The discovery of a horned native bee that pollinates a rare plant highlights how little we know about Australian pollinators.