Bestimmungsschlüssel der Grabwespen Nord- und Zentraleuropas (Hymenoptera, Sphecidae)
De graafwespen van de Benelux
Die Grabwespen Deutschlands. Bestimmungsschlüssel
The Sphecidae (Hymenoptera) of Fennoscandia and Denmark
Die Grabwespen Deutschlands
Gasten van bijenhotels
Hymenoptera Aculeata Westfalica Familia: Sphecidae (Grabwespen)
Myrmica rubra (Hymenoptera, Formicidae) worker ants, unusual prey of the digger wasp Crossocerus vagabundus (Hymenoptera, Crabronidae)
Nederlandse Fauna 6
Sphecid wasps of the world: a generic revision
Sphecid wasps of the world: a generic revision
THE BIOLOGY OF THE BRITISH CRABRONIDAE
Venoms of the hymenoptera
Wasp fauna (Hymenoptera: Bethylidae, Chrysididae, Dryinidae, Tiphiidae, Mutillidae, Scoliidae, Pompilidae, Vespidae, Sphecidae, Crabronidae & Trigonalyidae) of Mordovia State Nature Reserve and its surroundings in Russia