Nearctic species of Pnigalio and Sympiesis
Subtitle: (Hymenoptera: Eulophidae)
Series: Entomological Society of Canada (1951- ). Memoirs -- no. 68; Memoirs of the Entomological Society of Canada -- no. 68.
Published: 1970
Place of publication: Ottawa
Language: eng
Number of pages: 121
Subjects: Eulophidae; Hymenoptera -- North America