Hymenoptera
Subtitle: Sphecidae
Series: Insecta Helvetica. Fauna,; 3; Insecta Helvetica. Fauna ;; 3.
Publisher: Impr. La Concorde
Published: 1964
Place of publication: Lausanne
Language: fre
Number of pages: 168
Subjects: Sphecidae; Wasps -- Switzerland
Notes: Bibliography: p. 162-164
In French