The effect of host abundance on the distribution and impact of biocontrol agents on purple loosestrife (Lythrum salicaria, Lythraceae)1

• Published in: Écoscience (Sainte-Foy) Vol. 20; no. 1; p. 90
• Main Authors: Boag, Angela E, Eckert, Christopher G
• Format: Journal Article
• Language: English
• Published: Sainte-Foy Taylor & Francis Ltd 01.01.2013
• Subjects: Galerucella; Galerucella pusilla; Lythrum salicaria; Canada, Ontario

The spread and efficacy of biological control agents are thought to increase with the regional frequency of host populations. We tested this hypothesis by quantifying the occurrence of and damage by 2 biocontrol agents, Galerucella pusilla and G. calmariensis beetles, on 52 introduced stands of purp...