Biological Control: Insect-Plant Interactions for Sustainable Pest Management

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Plant Protection and Biotic Interactions".

Deadline for manuscript submissions: 10 December 2026 | Viewed by 2053

Special Issue Editors


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Guest Editor
Instituto de Biologia, Universidade Federal de Uberlândia, Uberlândia 38405-315, MG, Brazil
Interests: insects as pollinators; herbivores and predators related to plants; pollination; fruit production

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Guest Editor
Institute of Entomology, Biology Centre CAS, 370 05 Ceske Budejovice, Czech Republic
Interests: arthropod ecology and behavior; insect and mite pests and their natural enemies; predator–prey interactions; biological pest control; entomopathogenic fungi
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
West Florida Research and Education Center, Department of Entomology and Nematology, University of Florida, Jay, FL 32565, USA
Interests: entomology; integrated pest management; insect resistance management; crop protection

Special Issue Information

Dear Colleagues,

In the context of increasing global concern over the environmental and health impacts of synthetic pesticides, the need for sustainable alternatives in pest management has never been more urgent. Biological control, which harnesses the natural interactions among insects, plants, and other organisms, represents a promising and ecologically sound strategy to suppress pest populations while preserving ecosystem balance. Among these interactions, insect–plant relationships play a pivotal role in shaping the effectiveness and specificity of biological control agents.

This Special Issue aims to highlight recent advances and innovative research at the interface of entomology, plant science, and ecology that contribute to the development of sustainable pest control methods. We welcome original research articles, reviews, and short communications focusing on insect herbivores, natural enemies (predators and parasitoids), pollinators, plant defense mechanisms, and multitrophic interactions. Studies exploring the use of plant volatiles, trap crops, endophytes, or habitat management to enhance biological control efficacy are also of interest.

By fostering an integrative understanding of insect–plant interactions, this Special Issue seeks to support the transition towards environmentally responsible pest management systems in agricultural and natural ecosystems. Contributions from both fundamental and applied perspectives are encouraged.

Dr. Helena Maura Torezan-Silingardi
Dr. Rostislav Zemek
Dr. Eduardo Soares Calixto
Guest Editors

Manuscript Submission Information

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Keywords

  • biological control
  • insect–plant interactions
  • sustainable pest management
  • natural enemies
  • tritrophic interactions
  • plant defense mechanisms
  • semiochemicals
  • agroecology
  • conservation biological control
  • ecological intensification

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Published Papers (1 paper)

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Review

18 pages, 1359 KB  
Review
Multifunctional Roles of Extrafloral Nectaries in Shaping Plant–Insect Interactions
by Eduardo Soares Calixto, Renan Fernandes Moura, Denise Lange, Estevao Alves Silva, Helena Maura Torezan-Silingardi and Kleber Del-Claro
Plants 2026, 15(4), 595; https://doi.org/10.3390/plants15040595 - 13 Feb 2026
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Abstract
Understanding the net outcomes of ecological interactions by examining the costs and benefits of organism associations is central to ecology. The mutualistic relationship between ants and plants mediated by extrafloral nectaries (EFNs) has long been viewed as protective, with ants defending plants from [...] Read more.
Understanding the net outcomes of ecological interactions by examining the costs and benefits of organism associations is central to ecology. The mutualistic relationship between ants and plants mediated by extrafloral nectaries (EFNs) has long been viewed as protective, with ants defending plants from herbivores in exchange for nectar. However, alternative hypotheses, like the ant-distraction and flower-distraction, highlight the multifunctionality of EFNs. The flower-distraction hypothesis proposes that EFNs evolved to divert ants from flowers, reducing ant impact on pollination. Recent studies reveal that EFN interactions with ants are highly context-dependent, shaped by factors such as EFN location and ant behavior. Although EFNs often occur on vegetative tissues, they are sometimes located near flowers, raising the possibility that they serve both protective and distracting roles. This duality challenges the notion that EFNs can be categorized exclusively by location or function. Instead, their ecological roles likely shift in space and time, depending on plant growth form, pollination system, and interacting species. We propose moving beyond a dichotomous framework toward a nuanced perspective that embraces a potential continuum of functionalities. Considering multiple ecological and evolutionary factors will enhance understanding of EFN evolution, plant–animal interactions, and ecosystem dynamics. Full article
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