Our Vision for Sustainable Pest Management – Part 4: Biological control action levels–examples from the field | The Bug Farm
![Biological control of invasive species: solution or pollution? - Messing - 2006 - Frontiers in Ecology and the Environment - Wiley Online Library Biological control of invasive species: solution or pollution? - Messing - 2006 - Frontiers in Ecology and the Environment - Wiley Online Library](https://esajournals.onlinelibrary.wiley.com/cms/asset/6e6f6803-9ee2-4030-8ad2-e61ab8325726/i1540-9295-4-3-132-f03.jpg)
Biological control of invasive species: solution or pollution? - Messing - 2006 - Frontiers in Ecology and the Environment - Wiley Online Library
![Conservation biological control and IPM practices in Brassica vegetable crops in China - ScienceDirect Conservation biological control and IPM practices in Brassica vegetable crops in China - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S1049964413001278-fx1.jpg)