Valérie Fournier

Assistant Professor,
Université Laval

Département de Phytologie
Institution page


  • Postdoctorate Rutgers, State University of New Jersey, Entomology, Ecology of insects 2007
  • Postdoctorate University of California, Berkeley, Entomology, predator-prey interactions 2005
  • Doctorate Université Laval, Plant biology, Community entomology and ecology 2003
  • Master's Université Laval, Plant biology, 1999
  • Baccalauréat Université Laval, Phytology, 1997


Research projects linked with the issues of declining pollinators and their conservation in agricultural environments. In field crops: the impacts of neonicotinoid insecticide treated seeds on wild and domestic bee populations and the impacts of the diversification of riparian strips on pollinators.
  • Business administration, public service
  • Agronomy
  • Molecular biology
  • Botany
  • Ecology
  • Environment
  • Floriculture and tree nurseries
  • Genetics
  • Agriculture management
  • Horticulture
  • Zootechnics
  • Ecology of pollinator insects and biological control agents

  • QCBS students

    Phanie Bonneau

    Other (co-)supervisor: Annabelle Firlej, IRDA
    (Start: 2016)
    Control Strategies for Reducing the Phytosanitary Impact of Spotted Wing Drosophila

    Morgane Canovas

    Other (co-)supervisor: Conrad Cloutier
    (Start: 2017)
    Phenology, natural enemies and integrated pest managment against thrips in strawberries

    Stéphanie Patenaude

    Other (co-)supervisor: Stéphanie Tellier, MAPAQ
    (Start: 2016)
    Biological control of the cyclamen mite (Acari: tarsonemidae) with predatory mites

    Previous students (since 2009)

    Amélie Gervais

    Other (co-)supervisor: Marc Bélisle, Université de Sherbrooke
    (Start: 2015, End: 2018)
    Biodiversity of pollinators in cranberry crop: the effect of management practices and soil types

    Johannie Belzile

    (Start: 2010, End: 2012)
    Lutte biologique au kalmia dans les bleuetières

    Martine Bernier

    Other (co-)supervisor: Pierre Giovenazzo, Université Laval
    (Start: 2010, End: 2013)
    Survie et phénologie du petit coléoptère de la ruche aux conditions du Québec

    Isabelle Drolet

    (Start: 2012, End: 2016)
    Perfectionnement de la lutte intégrée par l’étude taxonomique des ennemis naturels et des caractères influents à leur établissement en production de canneberge au Québec

    Melissa Girard

    (Start: 2008, End: 2010)
    Examen de l'influence de la diversite florale dans la mosaique du paysage agricole sur la performance des colonies de Apis mellifera

    Marianne Lamontagne-Drolet

    Other (co-)supervisor: Pierre Giovenazzo
    (Start: 2016, End: 2018)
    Des suppléments alimentaires pour maximiser le développement des colonies d'abeilles domestiques (Apis mellifera L.)

    Émilie Lemaire

    (Start: 2008, End: 2012)
    Contrôle biologique des acarien ravageurs en serres-tunnels

    Marine Marel

    (Start: 2008, End: 2010)
    Lutte biologique contre les tétranyques en pépinière hornementale

    Joseph Moisan de Serres

    (Start: 2010, End: 2012)
    Impacts des brise-vents sur la biodiversité des pollinisateurs dans la culture du bleuet nain

    Sabrina Rondeau

    Other (co-)supervisor: Pierre Giovenazzo, Université Laval
    (Start: 2016, End: 2018)
    Lutte biologique contre Varroa destructor, un parasite de l'abeille domestique (Apis mellifera L.) à l'aide de l'acarien prédateur Stratiolaelaps scimitus

    Andrée Rousseau

    Other (co-)supervisor: Pierre Giovenazzo, Université Laval
    (Start: 2011, End: 2013)
    Production et qualité du sperme des faux-bourdons (Apis mellifera L.) durant la saison apicole estivale au Québec

    Olivier Samson-Robert

    Other (co-)supervisor: Geneviève Labrie, CÉROM
    (Start: 2013, End: 2014)
    Neonicotinoid-coated seeds: impacts on honey bees, bumble bees and water contamination.

    Ève Therriault

    (Start: 2012, End: 2014)
    Lutte biologique aux tétranyques à l'aide de plantes réservoirs

    Examples of species studied

    Homalodisca vitripennis
    Aethina tumida
    Apis mellifera


    30- Biodiversity of lepidopteran pests and their parasitoids in organic and conventional cranberry crop
    Drolet I , Guay J , Fournier V , Cloutier C ,
    2019 Biological Control (Date Added: 2019-01-01)

    28- Diversity and pollen loads of flower flies (Diptera: Syrphidae) in cranberry crops
    Gervais A , Chagnon M , Fournier V ,
    2018 Annals of the Entomological Society of America (Date Added: 2018-12-05)

    27- Comparison of three methods to multiply honey bee (Apis mellifera) colonies
    Maucourt, S, Fournier, V, Giovenazzo, P
    2017 Apidologie (Date Added: 2018-05-14)

    26- Assessing Wild Bee Biodiversity in Cranberry Agroenvironments: Influence of Natural Habitats
    Gervais A , Fournier V , Sheffield C S , Chagnon M ,
    2017 Journal of economic entomology (Date Added: 2017-10-17)

    25- Planting of neonicotinoid-coated corn raises honey bee mortality and sets back colony development
    Samson-Robert O , Labrie G , Chagnon M , Fournier V ,
    2017 PeerJ (Date Added: 2017-08-25)

    24- Chronic exposure to neonicotinoids reduces honey bee health near corn crops
    Tsvetkov N , Samson-Robert O , Sood K , Patel H S , Malena D A , Gajiwala P H , Maciukiewicz P , Fournier V , Zayed A ,
    2017 Science (Date Added: 2017-07-24)

    23- Performance of a tri-trophic food web under different climate change scenarios
    Flores-Mejia S , Fournier V , Cloutier C ,
    2017 Food Webs (Date Added: 2017-06-17)

    22- Taxonomic and functional trait diversity of wild bees in different urban settings
    Normandin E , Vereecken N J , Buddle C M , Fournier V ,
    2017 PeerJ (Date Added: 2017-03-22)

    21- The influence of a parasitoid's response to temperature on the performance of a tri-trophic food web: Parasitoid's influence on food web performance
    Flores-Mejia, S, Guay, J-FDR, Fournier, VR, Cloutier, C
    2016 Ecological Entomology (Date Added: 2016-05-16)

    20-Une méta-analyse pour le transfert d’avantages économiques des biens et services écosystémiques fournis par les milieux humides au Québec
    He, J, Fournier, R, Revéret, JP, Dupras, J, Théau, J, Boyer, JP
    2015 Nature et économie : un regard sur les écosystèmes du Québec ( Date Added: 2016-06-28)

    19- Apis mellifera (Hymenoptera: Apidae) drone sperm quality in relation to age, genetic line, and time of breeding
    Rousseau, A, Fournier, V, Giovenazzo, P
    2015 The Canadian Entomologist (Date Added: 2015-11-09)

    18- Increased Acetylcholinesterase Expression in Bumble Bees During Neonicotinoid-Coated Corn Sowing
    Samson-Robert, O, Labrie, G, Mercier, P-L, Chagnon, M, Derome, N, Fournier, V
    2015 Scientific Reports (Date Added: 2015-08-17)

    17- Temperature responses of a plant-insect system using a food-web performance approach
    Flores-Mejia, S, Fournier, V, Cloutier, C
    2014 Entomologia Experimentalis et Applicata (Date Added: 2014-12-16)

    16- Neonicotinoid-Contaminated Puddles of Water Represent a Risk of Intoxication for Honey Bees
    Samson-Robert, O, Labrie, G, Chagnon, M, Fournier, V
    2014 PLoS ONE (Date Added: 2014-12-15)

    15- Influence of windbreaks and forest borders on abundance and species richness of native pollinators in lowbush blueberry fields in Québec, Canada
    Moisan-DeSerres, J, Chagnon, M, Fournier, V
    2014 The Canadian Entomologist (Date Added: 2014-12-04)

    14- Dynamics of a headwater system and peatland under current conditions and with climate change: DYNAMICS OF A HEADWATER SYSTEM AND PEATLAND
    Levison, J, Larocque, M, Fournier, V, Gagné, S, Pellerin, S, Ouellet, MA
    2014 Hydrological Processes (Date Added: 2014-08-21)

    13- Control of Aethina tumida (Coleoptera: Nitidulidae) using in-hive traps
    Bernier, M, Fournier, V, Eccles, L, Giovenazzo, P
    2014 The Canadian Entomologist (Date Added: 2014-07-08)

    12- Pupal Development of <I>Aethina tumida</I> (Coleoptera: Nitidulidae) in Thermo-Hygrometric Soil Conditions Encountered in Temperate Climates
    Bernier, M, Fournier, V, Giovenazzo, P
    2014 Journal of Economic Entomology (Date Added: 2014-05-01)

    9- Development of molecular diagnostic markers for sharpshooters Homalodisca coagulata and Homalodisca liturata for use in predator gut content examinations
    De León, JH, Fournier, V, Hagler, JR, Daane, KM
    2006 Entomologia Experimentalis et Applicata (Date Added: 2011-07-21)

    8- Development and application of a glassy-winged and smoke-tree sharpshooter egg-specific predator gut content ELISA
    Fournier, V, Hagler, JR, Daane, KM, De León, JH, Groves, RL, Costa, HS, Henneberry, TJ
    2006 Biological Control (Date Added: 2011-07-21)

    7- Multiple plant exploiters on a shared host: Testing for nonadditive effects on plant performance
    Fournier, V, Rosenheim, JA, Brodeur, J, Diez, JM, Johnson, MW
    2006 Ecological Applications (Date Added: 2011-07-21)

    6- Herbivore population suppression by an intermediate predator, Phytoseiulus macropilis, is insensitive to the presence of an intraguild predator: An advantage of small body size?
    Rosenheim, JA, Limburg, DD, Colfer, RG, Fournier, V, Hsu, CL, Leonardo, TE, Nelson, EH
    2004 Oecologia (Date Added: 2011-07-21)

    5- Population dynamics and within-plant distribution of the mite Calacarus flagelliseta (Acari: Eriophyidae) on papaya in Hawaii
    Fournier, V, Rosenheim, JA, Brodeur, J, Johnson, MW
    2004 Journal of Economic Entomology (Date Added: 2011-07-21)

    4- Inducible responses in papaya: Impact on population growth rates of herbivorous mites and powdery mildew under field conditions
    Fournier, V, Rosenheim, JA, Brodeur, J, Johnson, MW
    2004 Environmental Entomology (Date Added: 2011-07-21)

    3- Herbivorous mites as ecological engineers: Indirect effects on zarthropods inhabiting papaya foliage
    Fournier, V, Rosenheim, JA, Brodeur, J, Laney, LO, Johnson, MW
    2003 Oecologia (Date Added: 2011-07-21)

    2- The effect of heparin on motility parameters and protein phosphorylation during bovine sperm capacitation
    Chamberland, A, Fournier, V, Tardif, S, Sirard, MA, Sullivan, R, Bailey, JL
    2001 Theriogenology (Date Added: 2011-07-21)

    In the media

    The Search For an Effective Way to Save Honeybees

    Mite Versus Mite: The Search For an Effective Way to Save Honeybees

    Les néonics
    (Fortin, Luc) 2018-05-21

    Québec encadre l’utilisation des pesticides les plus à risque en milieu agricole

    Two New Studies Confirm Common Insecticide Weakens Honeybee Hives
    (Brose, Derrick) 2018-01-07

    Percées scientifiques 2017: les abeilles ne font pas de philosophie
    (Cliche, Jean-Francois) 2017-12-27

    Pesticides damage survival of bee colonies, landmark study shows

    Disparition des abeilles, enfin une explication !
    (Giacomini, Sabrina) 2017-07-04

    Semer le malheur
    (Hamann, Jean) 2017-07-03

    La cause de la disparition des abeilles identifiée

    Les aînés ne sont pas seuls
    (Bacon, Réjean) 2016-09-28

    L’abeille, au-delà du miel
    (Kinnard, Nathalie) 2016-09-01

    Quebec domestic bee population rises, but beekeepers still want stricter pesticide rules
    (Plante, Caroline) 2016-07-03

    cinq mots pour comprendre le miel

    Pas près de manquer d'abeilles, mais...
    (Jean-François Cliche) 2016-04-16

    Le péril des abeilles

    Un nouveau printemps et saison meurtrière pour nos abeilles
    RDI International (Stephane Parent) 2014-04-14

    Pollinisateurs sauvages à risque - Le même destin tragique que l’abeille domestique?
    Le Devoir (Chagnon, Madeleine; Gingras, Christine) 2013-06-20

    Les pollinisateurs sauvages auront-ils le même destin tragique que l'abeille domestique ?
    La Soleil (Chagnon, Madeleine; Gingras, Christine) 2013-06-19

    Semaine des pollinisateurs « Les néonicotinoïdes passent les abeilles à tabac : le gouvernement du Québec doit les interdire. »
    NatureQuébec 2013-06-18

    Interdire les pesticides pour sauver les abeilles (, Zone Regions-) 2013-06-08

    Protection des abeilles

    Le nouvel ennemi des abeilles - La Presse+
    La Presse Plus (Côté, Charles) 2013-05-26

    Les abeilles menacées par un pesticide omniprésent
    La Presse (Côté, Charles) 2013-05-26