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Forests
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Forest and Urban Tree Pathology and Entomology: Diagnosis, Biology, Ecology...
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Forest and Urban Tree Pathology and Entomology: Diagnosis, Biology, Ecology and Control

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

Deadline for manuscript submissions: closed (30 November 2024) | Viewed by 2185

Special Issue Editors

Dr. Milica Zlatkovic

E-Mail Website
Guest Editor
Institute of Lowland Forestry and Environment (ILFE), University of Novi Sad, Novi Sad, Serbia
Interests: forest and urban tree pathology; mycology; molecular microbiology; bioinformatics
Dr. Roman Modlinger

E-Mail Website
Guest Editor
Forest Risk Research Centre, Faculty of Forestry and Wood Sciences, Czech University of Life Sciences, Prague, Czech Republic
Interests: forest entomology; disturbances; integrated pest management; applied statistics
Special Issues, Collections and Topics in MDPI journals
Dr. Jovan Dobrosavljević

E-Mail Website
Guest Editor Assistant
Faculty of Forestry, University of Belgrade, Belgrade, Serbia
Interests: forest entomology; insect-plant interactions; insect Diversity; forest protection

Special Issue Information

Dear Colleagues

Forests and urban trees provide essential ecosystem services and contribute to human health, the economy, and society. However, with an increase in global trade and climate change, trees in urban environments and natural and planted forests are at risk from the resurgence of native species and the introduction of invasive insects and pathogens. A crucial first step towards effective forest management is the early detection of pest and disease attacks, which has been made easier in recent years by the development of molecular (e.g., multigene phylogenies, LAMP, and qPCR) and AI-powered pest and disease detection systems (e.g., remote sensing, unmanned aerial vehicles, and machine learning). However, a greater understanding of the mechanisms driving the emergence of native and the invasion of non-native insects and pathogens is also required in order to provide environmentally acceptable and long-lasting control methods. The ability of trees to deliver ecosystem services is impacted by forest pests and diseases; thus, forest and urban tree pathology and entomology are more important than ever in preserving the resilience and diversity of forest and urban ecosystems. A wide range of studies, including those on population biology, epidemiology, ecology, defense mechanisms of plants against pathogen infection and insect infestation, early detection and identification of insects and pathogens, integrated pest management, including novel technologies for the management of insect pests and diseases (e.g., RNAi biopesticides), and much more, are the focus of this Special Issue.  

Dr. Milica Zlatkovic
Dr. Roman Modlinger
Guest Editors

Dr. Jovan Dobrosavljević
Guest Editor Assistant

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Forests is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • forest and urban tree pathology and entomology
  • plant–pathogen interactions
  • plant–insect interactions
  • integrated pest management

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Published Papers (2 papers)

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Research

13 pages, 10260 KiB  
Article
Biological Characteristics of the Scale Insect Matsucoccus sinensis (Hemiptera: Coccoidae), a Pest Damaging the Chinese Red Pine Forests
by Danchun Li, Jinqian Liu, Jing Yang, Hao Qi, Yuan Lin, Wei Lei, Wenyu Zhang, Nehal Shaarawy, Youssef Dewer, Suqin Shang and Zuolin Fu
Forests 2025, 16(2), 349; https://doi.org/10.3390/f16020349 - 15 Feb 2025
Viewed by 525
Abstract
The Chinese red pine, Pinus tabulaeformis, is one of the most important evergreen conifer trees in China. It is widely planted in southern Gansu Province and is commonly used for garden trees, hedges, windbreaks, and soil and water conservation. However, Matsucoccus sinensis [...] Read more.
The Chinese red pine, Pinus tabulaeformis, is one of the most important evergreen conifer trees in China. It is widely planted in southern Gansu Province and is commonly used for garden trees, hedges, windbreaks, and soil and water conservation. However, Matsucoccus sinensis, a scale insect, has become a major pest of the P. tabulaeformis forests, and its life history and biological characteristics remain unknown. In this study, we investigated the biological characteristics, male cocoon emergence, adult mating period, and egg developmental period of M. sinensis, providing valuable insights for its prevention and control. We conducted continuous observation of the different developmental stages of M. sinensis, both in the laboratory and in P. tabulaeformis fields. The least squares method was used to calculate the egg developmental period of M. sinensis. Our results showed that the scale insect is a monophagous species with one generation occurring per year. The second-instar nymphs overwinter on the needles in the medium shell and reproduce sexually, without parthenogenesis. Male M. sinensis adults reach their peak appearance at the end of April in the study region. The peak emergence of male cocoons occurred between 2:00 AM and 4:00 AM, and the adult mating period lasted from 11:00 AM to 13:00 PM. The larvae of M. sinensis attack the needles of P. tabulaeformis. The nymphs crawled and moved to the inner base of the needles, with first- to third-instar nymphs fixing themselves to the needles to feed. The effective accumulated temperature and starting temperatures for the development of M. sinensis eggs were found to be 86.1 °C and 3.5 °C, respectively. Overall, understanding the biology and life history of M. sinensis is essential for identifying key developmental stages and determining the optimal timing for pest control, ultimately aiding in the development of targeted management strategies to protect P. tabulaeformis forests from this emerging pest. Full article
(This article belongs to the Special Issue Forest and Urban Tree Pathology and Entomology: Diagnosis, Biology, Ecology and Control)
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19 pages, 12575 KiB  
Article
A Native Insect on a Non-Native Plant: The Phylogeography of the Leafminer Phyllonorycter populifoliella (Lepidoptera: Gracillariidae) Attacking the North American Balsam Poplar in North Asia
by Natalia I. Kirichenko, Maria A. Ryazanova, Evgeny N. Akulov, Svetlana V. Baryshnikova, Anton A. Efremenko, Konstantin V. Krutovsky, Victor Ya. Kuzevanov, Andrei V. Selikhovkin, Pathour R. Shashank, Sergey Yu. Sinev, Paolo Triberti, Evgeny V. Zakharov and Dmitrii L. Musolin
Forests 2025, 16(2), 190; https://doi.org/10.3390/f16020190 - 21 Jan 2025
Viewed by 1234
Abstract
The trans-Palearctic moth Phyllonorycter populifoliella (Lepidoptera: Gracillariidae) is a major pest of the North American Populus balsamifera and its hybrids widely planted as ornamentals in North Asia (i.e., the Asian part of Russia). We DNA barcoded Ph. populifoliella from distant geographical populations in [...] Read more.
The trans-Palearctic moth Phyllonorycter populifoliella (Lepidoptera: Gracillariidae) is a major pest of the North American Populus balsamifera and its hybrids widely planted as ornamentals in North Asia (i.e., the Asian part of Russia). We DNA barcoded Ph. populifoliella from distant geographical populations in Russia and analyzed them together with the data from eight European countries and India to estimate intraspecific variability and the haplotype richness in the Palearctic, and specifically in North Asia. Furthermore, using next-generation sequencing (NGS, Sequel platform, PacBio), we investigated larval and pupal remnants found in an old herbarium from the Nearctic, where P. balsamifera occurs naturally, to verify if any events of the moth introduction to this biogeographic zone happened in the past. Relatively high intraspecific variability in the COI gene of mtDNA, reaching 3.73%, was recorded in Ph. populifoliella. Overall, 30 COI haplotypes were defined in 83 specimens from the Palearctic, with a noticeable richness in North Asia (21 haplotypes). Using NGS, the remnants of 14 Phyllonorycter specimens dissected from up to 174-year-old herbaria from the Palearctic and Nearctic were sequenced, and four moth species were identified. Among them, there were three Palearctic species, Ph. populifoliella, Ph. pastorella (Zeller), and Ph. apparella (Herrich-Schäffer), and one Nearctic, Ph. nipigon (Freeman). No evidence of Ph. populifoliella introduction to North America was documented based on the examination of the herbarium dated 1850–1974. Three specimens of Ph. populifoliella identified from herbaria from Austria and Poland (dated 1879–1931) represented one haplotype (H7) known from the recent time. Overall, our study clarifies the modern range, provides insights into phylogeography, and defines the haplotype richness of the native leafminer outbreaking on the alien host. Furthermore, it underlines the use of old herbaria to explore the historical distribution of endophagous insect species. Full article
(This article belongs to the Special Issue Forest and Urban Tree Pathology and Entomology: Diagnosis, Biology, Ecology and Control)
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