Cone and seed insects of North American conifers
By: Alan F. Hedlin ... [et al.].
Contributors: Hedlin, Alan F.
Publisher: Environment Canada, Canadian Forestry Service; United States Forest Service
Published: 1980
Place of publication: Ottawa, Ont; Washington, D.C
Language: eng
Number of pages: 122
Subjects: Conifers -- Seeds -- Diseases and pests.; Forest insects -- North America.; Conifères -- Maladies et fléaux.; Insectes -- Amérique du Nord.
Notes: Includes bibliographical references (p. 111-118) and index.