On Coelopisthia nematicida Pack., a chalcid parasite of the large larch sawfly, Lygaeonematus erichsonii Hartig
Published in The Canadian Entomologist, in 1911, in volume 43, pages 297-303
Date published:1911
Published in The Canadian Entomologist, in 1911, in volume 43, pages 297-303
Date published:1911