Monitoring and Control of Forest Pests

A special issue of Forests (ISSN 1999-4907). This special issue belongs to the section "Forest Health".

Deadline for manuscript submissions: 25 September 2025 | Viewed by 2998

Special Issue Editors


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Guest Editor
Department of Forest Protection, Warsaw University of Life Sciences, Nowoursynowska 166, 02-787 Warsaw, Poland
Interests: forest pests; forest ecology
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Department of Wood and Forest Sciences, Laval University, 2405 rue de la Terrasse, Quebec City, QC, Canada
Interests: insect ecology; forest entomology; pest management; insect–plant interactions; forest protection; ecology

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Guest Editor
Department Ciências Exactas e do Ambiente, Escola Superior Agrária de Coimbra, Bencanta, 3040-316 Coimbra, Portugal
Interests: biological invasions; forest pest ecology; insect–fungi interactions; insect performance; insects and human health

Special Issue Information

Dear Colleagues,

Herbivorous species are an integral part of forest ecosystems. They have shaped the structure and dynamics of forest communities for centuries. They play an important role in biogeochemical cycles and the food web.  On the other hand, forest pests contribute to significant losses in forest management. They reduce timber production, sometimes cause widespread stand collapse, and have a negative impact on ecosystem services. As a result of climate change, pest outbreaks are becoming more frequent and intense. Pests are expanding their range and harmful invasive species are appearing in many new places. Pest management should safeguard the productive functions of forests and minimize impacts on biodiversity. Controlling forest pests means interfering with the delicate self-regulating mechanisms of ecosystems, and therefore requires continuous research into methods of pest prevention and control, as well as methods of monitoring population dynamics and predicting future outbreaks. The aim of this Special Issue is to present studies on forest pests and their interactions with the forest and social environment, their impact on the economy, and advances in methods for monitoring population dynamics and controlling their abundance, thus minimizing economic losses and increasing the resilience of forest ecosystems.

Dr. Marek Sławski
Dr. Alvaro Fuentealba
Dr. Teresa Vasconcelos
Guest Editors

Manuscript Submission Information

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Keywords

  • integrated pest management
  • biological control
  • chemical control
  • pheromones
  • bark beetle
  • defoliating insects
  • predicting outbreaks
  • non-native pests
  • resilience
  • climate change.

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Published Papers (2 papers)

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Research

18 pages, 2111 KiB  
Article
Detection of Spotted Lanternfly (Lycorma delicatula) by Bats: A qPCR Approach to Forest Pest Surveillance
by Erin McHale, Robert Kwait, Kathleen Kerwin, Kathleen Kyle, Christian Crosby and Brooke Maslo
Forests 2025, 16(3), 443; https://doi.org/10.3390/f16030443 - 28 Feb 2025
Cited by 1 | Viewed by 1473
Abstract
Invasive insect pests pose a significant threat to forest ecosystems. Effective pest management relies on detecting these pests, which can be challenging when populations are sparse, newly introduced, or not easily observable. The spotted lanternfly (Lycorma delicatula White), a recent invader to [...] Read more.
Invasive insect pests pose a significant threat to forest ecosystems. Effective pest management relies on detecting these pests, which can be challenging when populations are sparse, newly introduced, or not easily observable. The spotted lanternfly (Lycorma delicatula White), a recent invader to North America, has caused extensive damage across the eastern United States since its introduction in 2014. Conventional monitoring methods, such as traps or visual inspections, are limited in their spatial coverage and may not reliably attract or capture target species. In this study, we explored the potential of bat guano as an additional tool for invasive insect detection. We collected guano samples from five bat species across three forested sites in New Jersey, USA, between 2018 and 2022 and used species-specific quantitative PCR (qPCR) to detect spotted lanternfly DNA. Spotted lanternfly DNA was detected in guano from two bat species: big brown bats (Eptesicus fuscus) and eastern red bats (Lasiurus borealis). Detection probability was strongly influenced by spotted lanternfly phenology, with higher detection rates occurring during the adult life stage. The detection of spotted lanternfly DNA in bat guano demonstrates the feasibility of using guano analysis as a complementary tool for insect pest surveillance. Integrating guano-based monitoring with traditional methods could enhance insect pest detection efforts across diverse forested and agricultural landscapes. Full article
(This article belongs to the Special Issue Monitoring and Control of Forest Pests)
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12 pages, 4032 KiB  
Article
Improving the Monitoring and Control of Egg Vitality of Lymantria dispar Linnaeus 1758 Using an Innovative Device and Procedure for Removing Egg Hairs
by Dejan V. Stojanović, Dragana Ranđelović, Jelena Ivetić, Predrag Pap, Milica Zlatković, Milutin Đilas and Saša Orlović
Forests 2024, 15(8), 1426; https://doi.org/10.3390/f15081426 - 14 Aug 2024
Viewed by 932
Abstract
Spongy moth (Lymantria dispar Linnaeus 1758) populations have the potential to reach outbreak levels, causing disruptions to forest ecosystems across Eurasia and North America. Continuous monitoring of the size and health of the spongy moth population in the egg stage is important [...] Read more.
Spongy moth (Lymantria dispar Linnaeus 1758) populations have the potential to reach outbreak levels, causing disruptions to forest ecosystems across Eurasia and North America. Continuous monitoring of the size and health of the spongy moth population in the egg stage is important for managing population outbreaks. Current methods include counting eggs within egg masses using manual methods. This study introduces an innovative solution aimed at optimizing the prediction of biotic disturbances and preventing the potential risks associated with spongy moth population outbreaks. The challenges and constraints related to the process of hair removal from spongy moth eggs have been effectively addressed through the development of a device powered by a torque-generating unit. This study aims to (1) introduce a novel device designed for the removal of hairs from spongy moth (L. dispar) eggs; (2) introduce a new hair removal procedure; and (3) empirically demonstrate the benefits of the introduced innovations. The introduced device and the procedure enable a significantly expedited diagnosis of the potential for a population outbreak in the current year, with the potential for widespread utilization. This invention enhances our understanding of predicting biotic disorders and facilitates the rapid assessment of the risk of their occurrence. Full article
(This article belongs to the Special Issue Monitoring and Control of Forest Pests)
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