Potential distribution of Acerophagus papayae, a parasitoid of the papaya mealybug (Paracoccus marginatus), across Africa

IF 3.7 2区农林科学 Q2 BIOTECHNOLOGY & APPLIED MICROBIOLOGY

Biological Control Pub Date : 2024-09-30 DOI:10.1016/j.biocontrol.2024.105628

Elizabeth A. Finch , Kris A.G. Wyckhuys , Ivan Rwomushana

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引用次数: 0

Abstract

The papaya mealybug, Paracoccus marginatus, is a highly polyphagous invasive pest that affects at least 133 economically important crops, and causes economic losses worldwide. Acerophagus papayae (Noyes and Schauff), a parasitic wasp, has proven to be a successful biocontrol agent, but its use in Africa is limited. Here, we use a predictive correlative model to explore the potential distribution of A. papayae and relate it to data showing the potential distribution of P. marginatus, to highlight potentially suitable areas for biological control of P. marginatus, for its current distribution, as well as its potential future distribution.

The resulting model performed well with a test AUC of 0.89. Areas that were highly suitable for P. marginatus and were also suitable for A. papayae were highest across West Africa. Whilst there were areas which were suitable for both species in both East Africa and Central Africa, there were large areas of cropping land which were highly suitable for P. marginatus although not suitable for A. papayae. Across Northern and Southern Africa, there were limited cropping areas which were suitable for P. marginatus and where there was suitability, it was only moderate. Across these areas, there was limited suitability for A. papayae.

Our results offer refined information on the potential suitability for A. papayae across Africa with the aim to help guide decisions on the areas where use of A. papayae could be used effectively as a part of an integrated pest management programme against P. marginatus.

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木瓜蚧（Paracoccus marginatus）的寄生虫 Acerophagus papayae 在非洲各地的潜在分布情况

木瓜蚧（Paracoccus marginatus）是一种高度多食性入侵害虫，影响至少 133 种具有重要经济价值的作物，并在全球范围内造成经济损失。事实证明，寄生蜂 Acerophagus papayae（Noyes 和 Schauff）是一种成功的生物控制剂，但它在非洲的应用有限。在这里，我们使用一个预测相关模型来探索 A. papayae 的潜在分布情况，并将其与显示 P. marginatus 潜在分布情况的数据联系起来，以突出 P. marginatus 目前分布情况及其未来潜在分布情况中可能适合生物防治的地区。在整个西非，非常适合木薯的地区最多，同时也适合木薯甲。在东非和中非，有一些地区同时适合这两个物种的生长，但也有大面积的耕地虽然不适合木瓜蚁，但却非常适合木瓜蚁的生长。在非洲北部和南部，适合木瓜属植物生长的耕地面积有限，即使适合，也只是中等程度。我们的研究结果提供了有关非洲木瓜甲虫潜在适宜性的详细信息，目的是帮助指导决策，确定在哪些地区可以有效使用木瓜甲虫，作为虫害综合防治计划的一部分。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Biological Control 生物-昆虫学

CiteScore

7.40

自引率

7.10%

发文量

220

审稿时长

63 days

期刊介绍： Biological control is an environmentally sound and effective means of reducing or mitigating pests and pest effects through the use of natural enemies. The aim of Biological Control is to promote this science and technology through publication of original research articles and reviews of research and theory. The journal devotes a section to reports on biotechnologies dealing with the elucidation and use of genes or gene products for the enhancement of biological control agents. The journal encompasses biological control of viral, microbial, nematode, insect, mite, weed, and vertebrate pests in agriculture, aquatic, forest, natural resource, stored product, and urban environments. Biological control of arthropod pests of human and domestic animals is also included. Ecological, molecular, and biotechnological approaches to the understanding of biological control are welcome.