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Zhou Y, Guo S, Wang T, Zong S, Ge X. Modeling the pest-pathogen threats in a warming world for the red turpentine beetle (Dendroctonus valens) and its symbiotic fungus (Leptographium procerum). PEST MANAGEMENT SCIENCE 2024; 80:3423-3435. [PMID: 38407566 DOI: 10.1002/ps.8046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/05/2023] [Revised: 02/18/2024] [Accepted: 02/26/2024] [Indexed: 02/27/2024]
Abstract
BACKGROUND Dendroctonus valens along with its symbiotic fungi have caused unprecedented damage to pines in China. Leptographium procerum, its primary symbiotic fungus, facilitates the invasion and colonization of the pest, thereby aggravating ecological threats. Assessing shifts in the niches and ranges of D. valens and its symbiotic fungus could provide a valuable basis for pest control. Here, we conducted niche comparisons between native and invasive populations of D. valens. Then, we employed standard ecological niche models and ensembles of small models to predict the potential distributions of D. valens and L. procerum under climate change conditions and to estimate areas of overlap. RESULTS The niche of invasive population of D. valens in Chinese mainland only occupied a limited portion of the niche of native population in North America, leaving a substantial native niche unfilled and without any niche expansion. The suitable regions for D. valens are predicted in central and southern North America and central and northeastern Chinese mainland. The overlap with the suitable regions of L. procerum included eastern North America and the central and northeastern Chinese mainland under historical climatic scenarios. The regions susceptible to their symbiotic damage will shift northward in response to future climate change. CONCLUSIONS Projected distributions of D. valens and its symbiotic fungus, along with areas vulnerable to their symbiotic damage, provide essential insights for devising strategies against this association. Additionally, our study contributes to comprehending how biogeographic approaches aid in estimating potential risks of pest-pathogen interactions in forests within a warming world. © 2024 Society of Chemical Industry.
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Affiliation(s)
- Yuting Zhou
- Beijing Key Laboratory for Forest Pest Control, Beijing Forestry University, Beijing, China
| | - Siwei Guo
- Department of Geology and Mining, Henan Geology Mineral College, Zhengzhou, China
| | - Tao Wang
- Mentougou Forestry Station, Beijing, China
| | - Shixiang Zong
- Beijing Key Laboratory for Forest Pest Control, Beijing Forestry University, Beijing, China
| | - Xuezhen Ge
- Department of Integrative Biology, University of Guelph, Guelph, Canada
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Neupane N, Larsen EA, Ries L. Ecological forecasts of insect range dynamics: a broad range of taxa includes winners and losers under future climate. CURRENT OPINION IN INSECT SCIENCE 2024; 62:101159. [PMID: 38199562 DOI: 10.1016/j.cois.2024.101159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 12/12/2023] [Accepted: 01/04/2024] [Indexed: 01/12/2024]
Abstract
Species distribution models are the primary tools to project future species' distributions, but this complex task is influenced by data limitations and evolving best practices. The majority of the 53 studies we examined utilized correlative models and did not follow current best practices for validating retrospective or future environmental data layers. Despite this, a summary of results is largely unsurprising: shifts toward cooler regions, but otherwise mixed dynamics emphasizing winners and losers. Harmful insects were more likely to show positive outcomes compared with beneficial species. Our restricted ability to consider mechanisms complicates interpretation of any single study. To improve this area of modeling, more classic field and lab studies to uncover basic ecology and physiology are crucial.
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Affiliation(s)
- Naresh Neupane
- Georgetown University, Department of Biology, Washington, DC 20057, USA.
| | - Elise A Larsen
- Georgetown University, Department of Biology, Washington, DC 20057, USA
| | - Leslie Ries
- Georgetown University, Department of Biology, Washington, DC 20057, USA
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Nobinraja M, Aravind NA, Ravikanth G. Opening the floodgates for invasion-modelling the distribution dynamics of invasive alien fishes in India. ENVIRONMENTAL MONITORING AND ASSESSMENT 2023; 195:1411. [PMID: 37922020 DOI: 10.1007/s10661-023-12012-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Accepted: 10/23/2023] [Indexed: 11/05/2023]
Abstract
Invasive alien species have become the second major threat to biodiversity affecting all three major ecosystems (terrestrial, marine, and freshwater). Increasing drivers such as habitat destruction, expanding horticulture and aquaculture industries, and global pet and food trade have created pathways for exotic species to be introduced leading to severe impacts on recipient ecosystems. Although relatively less studied than terrestrial ecosystems, freshwater ecosystems are highly susceptible to biological invasions. In India, there has been a noticeable increase in the introduction of alien fish species in freshwater environments. In the current study, we aimed to understand how climate change can affect the dynamics of the biological invasion of invasive alien fishes in India. We also evaluated the river-linking project's impact on the homogenization of biota in Indian freshwater bodies. We used species occurrence records with selected environmental variables to assess vulnerable locations for current and future biological invasion using species distribution models. Our study has identified and mapped the vulnerable regions to invasion in India. Our research indicates that the interlinking of rivers connects susceptible regions housing endangered fish species with invasive hotspots. Invasive alien fishes from the source basin may invade vulnerable basins and compete with the native species. Based on the results, we discuss some of the key areas for the management of these invasive alien species in the freshwater ecosystems.
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Affiliation(s)
- M Nobinraja
- SM Sehgal Foundation Centre for Biodiversity and Conservation, Ashoka Trust for Research in Ecology and the Environment (ATREE), Royal Enclave, Srirampura, Jakkur, Bengaluru, 560064, India.
- Manipal Academy of Higher Education (MAHE), Manipal, Karnataka, 576104, India.
| | - N A Aravind
- SM Sehgal Foundation Centre for Biodiversity and Conservation, Ashoka Trust for Research in Ecology and the Environment (ATREE), Royal Enclave, Srirampura, Jakkur, Bengaluru, 560064, India
- Yenepoya Research Centre, Yenepoya (Deemed to be University), University Road, Deralakatte, Mangalore, 575018, India
| | - G Ravikanth
- SM Sehgal Foundation Centre for Biodiversity and Conservation, Ashoka Trust for Research in Ecology and the Environment (ATREE), Royal Enclave, Srirampura, Jakkur, Bengaluru, 560064, India.
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Mermer S, Maslen EA, Dalton DT, Nielsen AL, Rucker A, Lowenstein D, Wiman N, Bhattarai M, Soohoo-Hui A, Harris ET, Pfab F, Walton VM. Temperature-Dependent Life Table Parameters of Brown Marmorated Stink Bug, Halyomorpha halys (Stål) (Hemiptera: Pentatomidae) in the United States. INSECTS 2023; 14:248. [PMID: 36975933 PMCID: PMC10058958 DOI: 10.3390/insects14030248] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Revised: 02/27/2023] [Accepted: 02/27/2023] [Indexed: 06/18/2023]
Abstract
Brown marmorated stink bug, Halyomorpha halys (Stål) (Hemiptera: Pentatomidae), is a generalist pest that causes serious injury to a variety of crops around the world. After the first detection in the USA, H. halys became a serious threat to growers resulting in significant crop damage. Understanding the effect of temperature on H. halys development will help to achieve successful control by predicting the phenological timing of the pest. Here, life table parameters (survival, development, reproduction, and daily mortality) of H. halys were evaluated for New Jersey and Oregon populations in the US. Parameters were determined from field-collected and laboratory-reared individuals. The results indicated that New Jersey populations had higher levels of egg-laying than Oregon populations and exhibited higher and earlier fecundity peaks. Survival levels were similar between populations. Linear and nonlinear fit were used to estimate the minimum (14.3 °C), optimal (27.8 °C), and maximum (35.9 °C) temperatures where development of H. halys can take place. An age-specific fecundity peak (Mx = 36.63) was recorded at 936 degree days for New Jersey populations, while maximum fecundity (Mx = 11.85) occurred at 1145 degree days in Oregon. No oviposition was recorded at the lowest (15 °C) or highest (35 °C) trialed temperatures. Developmental periods increased at temperatures above 30 °C, indicating that such higher temperatures are suboptimal for H. halys development. Altogether the most optimal temperatures for population increase (rm) ranged from 25 to 30 °C. Survival rates of H. halys at suboptimal low temperatures of 8 °C (i.e., 61%) is comparable to previous reports. The present paper provides additional data and context from a range of experimental conditions and populations. Such temperature-related H. halys life table parameters can be used to provide determine the risk to susceptible crops.
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Affiliation(s)
- Serhan Mermer
- Department of Horticulture, Oregon State University, Corvallis, OR 97331, USA (V.M.W.)
- Department of Environmental and Molecular Toxicology, Oregon State University, Corvallis, OR 97331, USA
| | - Erika A. Maslen
- Department of Horticulture, Oregon State University, Corvallis, OR 97331, USA (V.M.W.)
| | - Daniel T. Dalton
- Department of Horticulture, Oregon State University, Corvallis, OR 97331, USA (V.M.W.)
- Fachhochschule Kärnten, Faculty of Engineering and IT, 9524 Villach, Austria
| | - Anne L. Nielsen
- Department of Entomology, Rutgers Agricultural Research and Extension Center, Rutgers University, Bridgeton, NJ 08302, USA
| | - Ann Rucker
- Department of Entomology, Rutgers Agricultural Research and Extension Center, Rutgers University, Bridgeton, NJ 08302, USA
| | - David Lowenstein
- Department of Horticulture, Oregon State University, Corvallis, OR 97331, USA (V.M.W.)
- Macomb Country Extension Office, Michigan State University, Clinton Township, MI 48036, USA
| | - Nik Wiman
- Department of Horticulture, Oregon State University, Corvallis, OR 97331, USA (V.M.W.)
- Department of Horticulture, North Willamette Research and Extension Center, Oregon State University, Aurora, OR 97002, USA
| | - Mukesh Bhattarai
- Department of Horticulture, Oregon State University, Corvallis, OR 97331, USA (V.M.W.)
| | - Alexander Soohoo-Hui
- Department of Horticulture, Oregon State University, Corvallis, OR 97331, USA (V.M.W.)
| | - Edwin T. Harris
- Department of Horticulture, Oregon State University, Corvallis, OR 97331, USA (V.M.W.)
| | - Ferdinand Pfab
- Department of Ecology, Evolution, and Marine Biology, University of California Santa Barbara, Santa Barbara, CA 93016, USA
| | - Vaughn M. Walton
- Department of Horticulture, Oregon State University, Corvallis, OR 97331, USA (V.M.W.)
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