bild med logotype för scandinavian entomology


Entomologica Scandinavica Supplement 23

now changed to Insect Systematics and Evolution Supplement


ESS 23.
LÖKEN, A.: Scandinavian species of the genus Psithyrus Lepeletier (Hymenoptera: Apidae). 1984. 45 pp. SEK 40

Keys, synonymy, bibliographies, decriptions, distributions and host relationships are given for the 9
Scandinavian species of Psithyrus. All European species are included in the keys.