Projection of the Potential Global Geographic Distribution of the Solanum Fruit Fly Bactrocera latifrons (Hendel, 1912) (Diptera: Tephritidae) Based on CLIMEX Models

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Abstract
The solanum fruit fly Bactrocera latifrons (Diptera: Tephritidae) is an invasive alien insect that causes huge economic losses to pepper and other solanaceous plant industries. It is mainly distributed in South and Southeast Asia, SW Europe, Western USA, and in some African countries. However, the potential global geographical distribution of B. latifrons is unknown. Therefore, in this study, based on the current (1981–2010) and future (2040–2059) climatic scenarios determined using the CNRM-CM5, Access1.0, GFDL-ESM-2M, and NorESM1-M models, we used a species distribution model (CLIMEX 4.0) to project the potential global geographic distribution of B. latifrons to prevent further invasion and harm. In the current climate scenario, South America (1286.06 × 104 km2), Africa (1435.47 × 104 km2), and Oceania (410.66 × 104 km2) have the largest proportions of suitable land areas for B. latifrons colonization. Under all four future climate models, the global potential suitable area for Bactrocera latifrons is projected to decrease and shift towards higher latitudes. This study provides an important baseline upon which researchers, quarantine personnel, and governments can develop the appropriate control strategies against B. latifrons.
Funding Information
  • National Key Research and Development Program of China (2023YFC2605200, 2021YFC2600400, 2021YFD1400100, Liu-Jin-Mei 20221007)
  • Cooperation and high-level talent training projects with Canada, Australia, New Zealand, and Latin America (2023YFC2605200, 2021YFC2600400, 2021YFD1400100, Liu-Jin-Mei 20221007)

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