- August 27, 2026
IOBC-WPRS Bulletin, Vol. 185, 2026
Working Group “Integrated Control in Protected Crops, Temperate Climate”
Preceedings of the Meeting at Boskoop (The Netherlands), 31 August-03 September, 2026
Edited by: Gerben Messelink and Raghavendra Reddy Manda
ISBN 978-92-9067-372-9 [IX + 1790 pp.].
Download ePublication: IOBC-WPRS Bulletin Vol. 185, 2026
Table of Contents
Keynotes
Adapting IPM to changing pest complexes in Canadian greenhouse ornamentals
Rosemarije Buitenhuis, Ashley Summerfield, Taro Saito, Laxmi Khadka, Jessie Holtzman, and Sarah Jandricic 1-3
Microclimates in greenhouse IPM: Linking abiotic variation to biocontrol efficacy
Samantha Willden, Harshita Sharma, and Greg Loeb 4-5
Latest technological developments in greenhouse horticulture
Leo F. M. Marcelis and Ep Heuvelink 6-7
Biological pest control inside-out (& outside-in)
Felix Wäckers 8
Biological control in open-field crops: Inspired by and inspiration for greenhouse biological control
Erik H. Poelman 9-10
Combining strategies for sustainable control of the invasive tomato leafminer Phthorimaea absoluta
Jana Collatz, Ayomidé Zannou, Jérémy Gonthier, Lemya Bentrcia, and Jörg Romeis 11-12
Oral presentations
A meta-analysis on the role of functional complementarity and intraguild predation on biological control
Francisco Martínez Martínez, Marguerite Chartois, Maximilien Adam, Dirk Sanders, and Enric Frago 14-15
Shaping the future of crop protection: antibody-inspired proteins as the next generation of biofungicides
C. Boutton, M. Csukai, S. Nguyen, J. Geerinck, B. Walcarius, N. Vergote, and E. van Hende 16-17
Parasitoids and their injection components indirectly alter plant responses via their caterpillar host, affecting later-arriving parasitoids
Sarah Naomi Kalisvaart, Cassandra Houdet, Alessandro de Lucca, Alexander Haverkamp, Maximilien A. C. Adam, and Erik H. Poelman 18-19
FUTURLIGHTS: An integrated push and pull strategy for optimised plant protection against flying insects in energy-optimised greenhouses
Jan-Uwe Niemann, Henrike Brust, Niklas Stukenberg, and Dieter von Hörsten 20-21
From coincidence to candidate: Sericoderus lateralis and its role in biological control of plant fungal pathogens
Václav Psota, Aleš Eichmeier, Lucie Frejlichová, Eva Kajsturová, and Tereza Chybiorzová 22-23
From lab promise to field complexity: an integrated approach for managing Nesidiocoris tenuis in greenhouse tomato
R. Moerkens, S. Bellinkx, and F. Wäckers 24-25
Predictive modeling of combined release strategies for Myzus persicae management: Preventive Macrolophus pygmaeus reduces aphid pressure with minimal cost increase
Kin Ho Chan, Rob Moerkens, Stijn Bellinkx, Marlies Huysmans, and Vincent Sluydts 26-27
Field evaluation of ToBRFV-resistant tomato cultivars under severe infection pressure
Lise Soetemans, Julie Moelants, and Lien Bosmans 28-29
IPM of aphids in vegetable seed production: main challenges and possible approaches
Antonio Miceli 30-31
Assessing the intraguild predation potential of mirid species in Canadian greenhouses
Isabella Nardone, Sherah VanLaerhoven, and Roselyne Labbé 32-36
Zero Pest Damage Project: Innovative technologies for advancing non-chemical control in greenhouses
Norihide Hinomoto, Masatoshi Hori, and Tomokazu Seko 37-38
Companion plants as rearing and release platforms for predatory bugs in soilless tomato systems
Benjamin Gard, Amélie Bardel, Nicolas Desneux, Jérôme Lambion, and Roselyne Souriau 39-48
Reductive catalytic fractionation-derived lignin as a novel elicitor of induced resistance in tomato for biological control of plant pathogens and pests
L. Cialdella, T. Nicolaï, A. Bens, A. Beckers, K. Thevissen, B. Lagrain, B. de Coninck, B. Lievens, B. Sels, and B. P. A. Cammue 49-51
Potential of aphid-killing bacteria to manage aphid populations in greenhouse crops
S. van Hee, N. Rojas Preciado, W. Poppelsdorf, L. Berings, H. Jacquemyn, and B. Lievens 52-53
Influence of LED lighting regimes and low nighttime temperatures on aphid predators in controlled-environment strawberry
Karli Barton, Rebecca Hallett, and Roselyne Labbé 54-60
Optimizing IPM strategies for Nesidiocoris tenuis in North America
Cara McCreary, Carly Demers, Dana Gagnier, Catalina Fernandez, Isabella Nardone, Madison McMullin, Ryan Bezaire, Sherah VanLaerhoven, Rebecca Hallett, and Roselyne Labbé 61-62
Generalist predators – role on conservation biological control in the Oeste region, Portugal
Elisabete Figueiredo, Gonçalo Abraços-Duarte, and Célia Mateus 63-65
A method for monitoring biocontrol success of whiteflies in green-house tomato crops
Irene Vänninen, Esa Palmujoki, and Sandra Blomqvist 66-67
Carnivorous plants as a potential monitoring tool for Bradysia difformis in greenhouse systems
Madlene Mazurek, Rainer Meyhöfer, and Christin Bündig 68-69
After cutting the double-edged sword: IPM without type VI trichomes in tomato
Julia van Leemput, Marcel Dicke, and Gerben Messelink 70-71
Glue barriers reduced the density of tomato russet mites on plant stems in a commercial interplanted tomato crop, but did not prevent leaf damage
Irene Vänninen, Heini Koskula, and Jan Hulshof 72-79
Effects of induced plant growth on the attraction of the parasitoid Cotesia glomerata
Laura A. Zuidema and Erik H. Poelman 80-81
Can functional plants support the green lacewing and the 14-spotted ladybird beetle to enhance the biological control of Myzus persicae in protected sweet pepper crops?
Florence Estublier, Carolina Calderón Arroyo, Felix Bianchi, and Gerben J. Messelink 82-84
Macrolophus pygmaeus as a key aphid control agent in sweet pepper: efficacy and intraguild interactions
E. Aussems, L. Herman, S. Pot, L. Soetemans, L. Berings, B. Lievens, R. Clymans, and L. Bosmans 85-86
Predatory thrips as biological control agents of exotic thrips in greenhouse ornamental crops
Juliette Pijnakker, Manon Guilbaud, Diana Overgaag, Clara Heitzmann, Dominiek Vangansbeke, Rob Moerkens, Marcus Duarte, Niel Verachtert, Yves Arijs, and Felix Wäckers 87-89
The effect of rootstock selection, substrate composition and biological control agents in the management of the bell pepper pathogen Fusarium oxysporum f. sp. radicis-capsici
Simon Lauwers, Lisa Herman, Kurt Heungens, and Lise Soetemans 90-91
Thrips that play dirty: Evaluating biocontrol options for Hercinothrips
Miguel Angel Dionisio, Estrella Hernández-Suárez, Laura Suárez-Méndez, Arely Gómez, Yeray Calderon, and Angelos Mouratidis 92-93
Are aphids an impossible problem?
Francisco Gonzalez, Kay Moisan, Onne Isfordink, Kelly Arkoumanea, Steven Voet, and Roxina Soler 94-95
Sky is not the limit: successful foliar application of soil-borne entomopathogenic nematodes to control foliar caterpillars
Kay Moisan, Olga Kostenko, Magda Galeano, Roxina Soler, Sjoerd van der Ent, and Ivan Hiltpold 96-97
Identification and evaluation of effective biological control agents in deep winter greenhouse crops in Eastern Canada
François Dumont, Audrey Cécyre, Claudine Desroches, Geneviève Labrie, and Eric Lucas 98-99
Amblydromalus limonicus: a gamechanger in biological control
Anton Bekendam, Markus Knapp, and Sarra Bouagga 100-101
RNA viruses in parasitoids: Do they shape biological control outcomes?
Jesica Pérez-Rodríguez, Luís Hernández-Pelegrín, Rosalía García-García, Alejandro Rodríguez-Serrano, Salvador Herrero, and Laila Gasmi 102-103
Improving the establishment of Orius laevigatus through optimized supplemental diets and multi-trait selected strains
Enric Vila, Pablo Bielza, Amador Rodríguez-Gómez, Luis Manuel Aguilera-Sáez, Harmke Broekhuis, and Ana Arévalo 104-106
Mycophagous ladybeetle (Psyllobora vigintiduopunctata) effectively suppressed powdery mildew on strawberry (Podosphaera aphanis), a cage trial in greenhouse
Tham Nguyen, Johanna Bac-Molenaar, Marcel Dicke, and Gerben J. Messelink 107-108
Use of 3MP theoretical framework to achieve holistic control of multiple insect pests in tomato: progress in Asia and Europe
Peng Han, Ya Liu, Jawad Hassan, Hao Li, Dan Xie, Qi-bi Wang, Xin-ru Cao, Chen-yang Ma, Jia-xue Guo, Sheng-lan Gao, Ming-hui Wang, Patcharin Krutmuang, Dao Thi Hang, Nguyen Van Chung, Jam Nazeer Ahmad, Abid Ali, Khasan Ismoilov, Antonio Gugliuzzo, Antonio Biondi, Benjamin Gard, Paula Molina Melgares, Judit Arno, Jon Knight, Adrian Leach, Virginia Nichols, and Nicolas Desneux 109-110
Integrated control of aphids on organic celery – from the glasshouse to the field
Jude Bennison, Elysia Bartel, Rory Jones, Andy Gladman, and Diana Pooley 111-119
A repellent plant to regulate aerial pests: Testing the continuum trait-function-service from the lab to polytunnels
Cliven Njekete, Sarra Ayed, Samuel Matsinhe, Edwige Amiens-Desneux, Claire Caravel, Ignacio Ruiz, Caroline Djian-Caporalino, and Anne-Violette Lavoir 120-121
The effect of compost on aphid control and the search for key resilience indicators
Esmée France de Graaf, Annelein Meisner, Huei Ming Huisman, Marianne Noordam, and Johanna Bac-Molenaar 122-124
When supplemental food becomes essential: biological control of Nezara viridula by Podisus maculiventris
Raghavendra Reddy Manda, Hessel van der Heide, Giulio Melotti, and Gerben J. Messelink 125-126
Native entomopathogenic fungi from Dutch sweet pepper greenhouses: isolation, identification and biocontrol potential
Z. Suleiman Alkadour, F. Debets, Kh. Al-Sham’aa. J. Litjens, D. Sewkaransing, E. Bastiaans, B. J. Zwaan, G. J. Messelink, and B. A. Pannebakker 127-129
Rethinking biological pest control in greenhouses without pesticides
Gerben J. Messelink, Ada Leman, Sophie Le Hesran, Marjolein Kruidhof, Kyra Vervoorn, Denise Sewkaransing, Tham Nguyen, Julia van Leemput, Florence Estublier, and Raghavendra Reddy Manda 130-131
Posters
Towards efficient biocontrol of bacterioses of tomato: novel bacteriophages and their action in controlled conditions and production greenhouses
Tetiana Kalachova, Václav Psota, Robin Thibert, Oleksandra Bondarenko, Nataliia Korniienko, Nikita Zrelovs, Jakub Dušek, Barbora Jindřichová, Anzhela Antonova, Lucie Frejlichová, Milan Špetík, Aleš Eichmeier, and Lenka Burketová 133-134
Long-term persistence of ToBRFV in commercial greenhouse irrigation systems and challenges in virus elimination
Lise Soetemans, Julie Moelants, and Lien Bosmans 135-137
Practice-based optimization of biological control against a new aphid genotype in bell pepper
Lise Soetemans, Steffi Pot, and Lien Bosmans 138-139
LichtFalle:Praxis – Exploring the potential of technology‑based disturb, attract and kill approaches for insect mass trapping
Elisa Wendisch and Rainer Meyhöfer 140-141
Chemical ecology of an emerging thrips pest: Evaluating semiochemical-based push – pull strategies for Thrips parvispinus
Avery Johnson, Rebecca Hallett, and Roselyne Labbé 142-148
Control potential of Trialeurodes vaporariorum by the autoparasitoid Encarsia gennaroi, a newly recorded wasp in Canadian greenhouses
D. Catalina Fernández, Abigail Balkwill, and Roselyne Labbé 149-155
Not just a Citrus problem: The expanding threat of Scirtothrips aurantii and the importance of alternative host plants
Angelos Mouratidis, Miguel Calvo, and César Monzó 156-157
Biodiversity strips around greenhouses to support natural enemies of greenhouse pests
Kyra Vervoorn, Marcel Heijkoop, Nathan Koedijk, Corien Voorburg, Angelos Mouratidis, and Gerben Messelink 158-159
Performance of selected Orius laevigatus (Fieber) strains fed with mixtures of astigmatid mites species
Amador Rodríguez-Gómez, Virginia Balanza, Ana Belén Abelaira, María del Carmen Reche, and Pablo Bielza 160-161
Evaluation of toxicity effect of essential oils on Tuta absoluta Meyrick (Lepidoptera: Gelechiidae), Tetranychus urticae Koch (Acari: Tetranychidae) and Aculops lycopersici Tryon (Acari: Eriophyidae)
Sofia Dervisoglou, Theodoros Stathakis, Εvangelos Fytas, Αnna Karantoni, Zacharoula Zampeti, Ioanna Pitterou, Anastasia Detsi, and Dionysios Perdikis 162-164
Macrolophus pygmaeus (Rambur) and Nesidiocoris tenuis (Reuter) (Hemiptera: Miridae) predation activity on Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae) eggs on tomato fruits of different ripening stages
Sofia Dervisoglou, Argyro Fantinou, and Dionysios Perdikis 165-166
Comparative efficacy of Macrolophus melanotoma (Costa) (Hemiptera: Miridae) and M. pygmaeus (Rambur) (Hemiptera: Miridae) against Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae) eggs on tomato and Dittrichia viscosa L. (Greuter)
Tatiana Alyssandraki, Sofia Dervisoglou, and Dionysios Perdikis 167-168
Risk-based surveillance design for early detection of Thrips palmi in orchid greenhouses
Laura Carotti, Martijn Schenk, Francesca Salinari 169-170
Habitat provision for natural pest management in small-scale protected cropping and the potential for scalability
J. Conroy 171-172
Regional patterns of insecticide resistance in Bemisia tabaci in Türkiye
Gül Satar, Çağlar Kalkan, Seydi V. Şahin, and Miraç Yayla 173-174
An integrated hoverfly system for pest management and pollination in protected soft-fruit
Sarah E. J. Arnold, Dylan Hodgkiss, Philip Ogunye, Eric Navarrete, Tashia Tucker, Adam Walker, Celine X. Silva, Samuel J. Fisher, Francesca Elliott, and Michelle T. Fountain 175-176
Effectiveness of above- and below-ground predators in controlling the invasive Thrips parvispinus
J. Alexandra Sierra-Monroy, Alessandro De Lucca, Jacques A. Deere, Marta Montserrat, and Arne Janssen 177-179