Contribution to the knowledge of digger wasps (Hymenoptera: Crabronidae, Sphecidae) of Gdańsk Pomerania

The paper presents information about the occurrence of digger wasps in the Pomeranian Lake District and on the Baltic Coast. Samples were collected from 1972 to 2011. The study yielded a total of 127 species (about 53% of Polish fauna) belonging to 35 genera; were recorded 22 species are new for the Baltic Coast and 2 are new for the Pomeranian Lake District. Also, 22 of the species identified are on the Red List of Threatened Animals in Poland: Ammophila pubescens Curtis, 1836, Bembix rostrata (Linnaeus, 1758), Cerceris ruficornis (Fabricius, 1793), Crossocerus congener. (Dahlbom, 1845), C. heydeni Kohl, 1880, C. pullulus (A. Morawitz, 1866), C. styrius (Kohl, 1892), C. tarsatus (Shuckard, 1837), Didineis lunicornis (Fabricius, 1798), Dolichurus corniculus (Spinola, 1808), Dryudella pinguis (Dahlbom, 1832), Ectemnius fossorius (Linnaeus, 1758), Gorytes fallax Handlirsch, 1888, Harpactus tumidus (Panzer,1801), Lestica alata (Panzer, 1797), Mimumesa beaumonti (van Lith, 1949), Miscophus ater Lepeletier, 1845, Nysson niger Chevrier, 1868, Oxybelus variegatus Wesmael, 1852, Pemphredon austriaca (Kohl, 1888), Tachysphex fulvitarsis A. Costa, 1867 and T. psammobius (Kohl, 1880).

24 cm