biblio toscana

6: Hymenoptera

London : published by the Royal society of London, 1951

Fa parte di: Handbooks for the identification of British insects

8: Hymenoptera

Fa parte di: Handbooks for the identification of British insects

7: Hymenoptera

London : published by the Royal entomological society of London, 1959

Fa parte di: Handbooks for the identification of British insects

Hymenoptera

Leiden : Brill, 1988

Fa parte di: Keys to the insects of the European part of the USSR

Hymenoptera

Bologna : Calderini, 1995

Fa parte di: Checklist delle specie della fauna italiana

The hymenoptera

Oxford ; New York ; Tokyo : Oxford University, c1996