"2020"^^ . _:b70019586 . . _:b70019586 . "Gros, E. 2020. Nouvelles observations sur le comportement de quelques esp\u00E8ces de Sph\u00E9ciformes pal\u00E9arctiques (Hymenoptera, Ampulicidae, Sphecidae, Crabronidae). Bulletin de la Soci\u00E9t\u00E9 entomologique de France, 125(4): 395-403." . "Gros (2020)" . "New observations on the behaviour of some species of Palaearctic Spheciformes (Hymenoptera, Ampulicidae, Sphecidae, Crabronidae). Original observations were made on the behaviour of twelve species of Spheciformes belonging to six different genera: Dolichurus corniculus (Spinola, 1808), D. bicolor Lepeletier, 1845, D. haemorrhous A. Costa, 1886 (Ampulicidae); Sceliphron caementarium (Drury, 1773), Prionyx kirbii (Vander Linden, 1827), P. subfuscatus (Dahlbom, 1825) (Sphecidae); Liris atratus (Spinola, 1805), L. niger (Fabricius, 1775), L. festinans praetermissus (Richards, 1929), Tachytes freygessneri Kohl, 1881, Tachysphex incertus (Radoszkowski, 1877), T. panzeri (Vander Linden, 1829), T. pompiliformis (Panzer, 1805) (Crabronidae). A list of preys is given for each species mentioned. The observations were made in the field between 1967 and 2019 in France, Spain, Portugal and Tunisia." . _:b70019586 "10.32475/bsef_2136" . . . "2020"^^ . "10.32475/bsef_2136" . "New observations on the behaviour of some species of Palaearctic Spheciformes (Hymenoptera, Ampulicidae, Sphecidae, Crabronidae). Original observations were made on the behaviour of twelve species of Spheciformes belonging to six different genera: Dolichurus corniculus (Spinola, 1808), D. bicolor Lepeletier, 1845, D. haemorrhous A. Costa, 1886 (Ampulicidae); Sceliphron caementarium (Drury, 1773), Prionyx kirbii (Vander Linden, 1827), P. subfuscatus (Dahlbom, 1825) (Sphecidae); Liris atratus (Spinola, 1805), L. niger (Fabricius, 1775), L. festinans praetermissus (Richards, 1929), Tachytes freygessneri Kohl, 1881, Tachysphex incertus (Radoszkowski, 1877), T. panzeri (Vander Linden, 1829), T. pompiliformis (Panzer, 1805) (Crabronidae). A list of preys is given for each species mentioned. The observations were made in the field between 1967 and 2019 in France, Spain, Portugal and Tunisia." . "Gros (2020)" . _:b70019586 .