First Report of the Crapemyrtle Aphid Tinocallis kahawaluokalani (Hemiptera : Aphididae) and its Relate Natural Enemies in Gabon

Asian Journal of Agricultural and Horticultural Research Pub Date : 2023-02-02 DOI:10.9734/ajahr/2023/v10i1219

Poligui René Noel, Apinda Legnouo Emelie Arlette, Nzandi Henri

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Abstract

A study was carried out among some green spaces in Gabon, mainly in Libreville, Lambarene, Mouila, Franceville and Mitzic, from August 2019 to October 2021. The aim was to assess the presence and impact of the japanese aphid Tinocallis kahawaluokalani Kirkaldy (Hemiptera : Aphididae), and its relate natural enemies, using one time visual observations on Crapemyrtle shrubs. This ornamental plant pest was recorded, occurring on leaves of Lagerstroemia indica (L.) Pers. (Lythraceae). Seven local beneficial insect species were observed predating on this aphid, mainly three hoverflies Ischiodon aegyptius Wiedemann, Paragus borbonicus Macquart, Asarkina sp. (Diptera : Syrphidae), three ladybird species Platynaspis capicola Crotch, Scymnus interruptus Goeze and Chilocorus nigritus Fabricus (Coleoptera : Coccinellidae), and the brown lacewing Micromus sp. (Neuroptera : Hemerobiidae), as natural enemies of T. kahawaluokalani, hilighting a local promizing way for biocontrol of this pest. These findings are a new record for this insect pest from the Gabon and Africa.

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标题加蓬稻蚜(半翅目:蚜科)及其近缘天敌初报

2019年8月至2021年10月，在加蓬的一些绿地中进行了一项研究，主要是在利伯维尔、兰巴雷内、穆伊拉、弗朗斯维尔和米济奇。目的是通过对紫薇灌木的一次目测，评价日本蚜虫(半翅目:蚜虫科)及其天敌的存在及其影响。这是一种发生在紫薇(Lagerstroemia indica, L.)叶片上的观赏植物害虫。珀耳斯。(千屈菜科)。在当地观察到以该蚜虫为食的有益昆虫有7种，主要有埃及食蚜蝇、波氏食蚜蝇、阿斯金蝇3种(双翅目:食蚜科)，瓢虫科Platynaspis capicola Crotch、Scymnus interruptus Goeze和Chilocorus nigritus Fabricus 3种(鞘翅目:瓢虫科)，褐草蛉Micromus sp(神经翅目:研究结果表明，这是一种很有前途的生物防治方法。这些发现是这种来自加蓬和非洲的害虫的新记录。

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Asian Journal of Agricultural and Horticultural Research

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