On Coelopisthia nematicida Pack.--A chalcid parasite of the large larch sawfly, Lygaeonematus erichsonii Hartig
By: By C. Gordon Hewitt ...
Published: 1911
Place of publication: London
Language: eng
Number of pages: 303
Subjects: Coelopisthia nematicida; Sawflies
Notes: Cover-title.

"Extract from the Canadian entomologist, vol. 43, Sept., 1911, pp. 297-303."