Osmia

Lasioglossum inexpectatum sp. nov., a new species from Sardinia and Corsica (Hymenoptera: Apoidea: Halictidae)

Pub Date : 2024-08-10 DOI: 10.47446/osmia12.4 S. Flaminio, Alain Pauly, Giovanni Cilia, Alexandre Cornuel-Willermoz, Laura Bortolotti, M. Quaranta

New insights into the distribution of the obscure digger wasp Sphex optimus F. Smith, 1856 (Hymenoptera: Apoidea: Sphecidae)

Pub Date : 2024-08-10 DOI: 10.47446/osmia12.3 T. H. Dörfel

Review of the Megastigmidae in Belgium and the Netherlands (Hymenoptera: Chalcidoidea)

Pub Date : 2023-12-24 DOI: 10.47446/osmia11.10 F. Verheyde, Sandrine Ulenberg, Hilco Meijer, Paul Hoekstra, Augustin De Ketelaere, Alain Roques