Insects (2021) 12 (750 - 1)
Charles Vincent, Jacques Lasnier, Charles-Henri de Coussergues and Alain Baril (2021)
Biodiversity in a Cool-Climate Vineyard: A Case Study from Quebec
Insects 12 (8 - 750), 1-17
Abstract: In Quebec (Canada), viticulture has experienced steady growth in the last 35 years in
terms of surfaces cultivated and value, although it is practiced in climatic conditions at the edge of
what is considered a cool-climate area. This case study documents biodiversity studies conducted
at the l’Orpailleur vineyard (Dunham, QC, Canada) from 1997 to 2021. In a first phase starting in
1997, the biodiversity of insecticide-free and insecticide-treated plots was determined for the taxa
Scarabaeidae, Curculionidae, Chrysomelidae, Cicadellidae, Acari and Aranae. This step provided a
baseline allowing to identify key arthropods. In a second phase starting in 2004, entomological issues
were addressed on an ad hoc basis. In 2014, a third phase began with a perspective of sustainability
and management of plant diversity in the vineyard to conserve natural enemies. Because of increased
Japanese beetle (Popillia japonica-Scarabaeidae) populations and threats to vineyards, a biocontrol
program based on the parasitoid Istocheta aldrichi (Tachinidae) was initiated. The unusually fast
development of grapevines during the growing season, selection of flowering species, as well as
selected arthropods associated with these flowering species, will be illustrated. Periodic update of
protection programs will be required to address future challenges associated with climate change
scenarios and world trade.
(The abstract has been supplied by the author or ISPI and is excluded from the Creative Commons licence.)
(original language: English)
Link to article at publishers website
Database assignments for author(s): Charles Vincent
Research topic(s) for pests/diseases/weeds:
environment - cropping system/rotation
review
Research topic(s) for beneficials or antagonists:
classical biocontrol/new introduction
environment/habitat manipulation
