Biological Control
2004 Biocontrol Release Sites in Pennsylvania - APHIS release sites for Galerucella beetles, Hylobius, a root eating weevil, and Nanophyes, a seed-feeding weevil
Hylobius transversovittatus (for control of Purple Loosestrife) - Biological Control: A Guide to Natural Enemies in North America
Galerucella calmariensis and G. pusilla (for Control of Purple Loosestrife) - Biological Control: A Guide to Natural Enemies in North America
Biological Control of Purple Loosestrife - Kansas Department of Agriculture
Biological Control of Purple Loosestrife - University of Illinois (HISTORY, FACTS, BIOLOGICAL CONTROL, RELEASES)
Biological Control of Purple Loosestrife - University of Connecticut IPM Program
Other Information
Invasive Species Resources - Lists of web sites, brochures, and books for invasive plants, insects, animals, and pathogens, compiled by the PA IPM Program.
Impact of Introduced Species on the United States - In CONSEQUENCES Vol. 2(2) 1996; by Daniel Simberloff.
US Invasive Species Management Plan - From National Invasive Species Council