Media type: E-Article Title: The aggregation pheromone ofIps duplicatus and its role in competitive interactions withI. typographus (Coleoptera: Scolytidae) Contributor: Schlyter, Fredrik; Birgersson, G�ran; Byers, John A.; Bakke, Alf Published: Springer Science and Business Media LLC, 1992 Published in: Chemoecology, 3 (1992) 3-4, Seite 103-112 Language: English DOI: 10.1007/bf01370137 ISSN: 0937-7409; 1423-0445 Keywords: Biochemistry ; Ecology, Evolution, Behavior and Systematics Origination: Footnote: