Characterization of the Entomopathogenic Fungal Species Conoideocrella luteorostrata on the Scale Insect Pest Fiorinia externa Infesting the Christmas Tree Abies fraseri in the USA

IF 1.1 4区农林科学 Q3 ENTOMOLOGY

Florida Entomologist Pub Date : 2022-04-12 DOI:10.1653/024.105.0103

Hector Urbina, M. Ahmed

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引用次数: 1

Abstract

Abstract We characterized the entomopathogenic fungal species, Conoideocrella luteorostrata (Zimm.) D. Johnson, G.H. Sung, Hywel-Jones & Spatafora (Hypocreales: Clavicipitaceae), on the elongate hemlock scale, Fiorinia externa Ferris (Hemiptera: Diaspididae), infesting Fraser fir Christmas tree, Abies fraseri (Pursh) Poir (Pinaceae). Fraser fir Christmas trees that were cultivated in Michigan, North Carolina, and Virginia were intercepted in Florida during plant inspection. This study is based on the isolation in pure culture, and morphological and molecular characterization using a 4-locus (ITS, LSU, SSU, tef1) and represents the first record of C. luteorostrata on F. externa. In addition, we reviewed all previously reported natural enemies of F. externa in the USA, discussed their potential as biological control agents, and concluded the need to explore a new natural enemy of F. externa. We recommend using C. luteorostrata as a biocontrol agent for F. externa. We also suggest that our isolate could be a source of new uncharacterized active compounds and could be used in the biological control of whiteflies and scale insects, as demonstrated in other C. luteorostrata strains. We also discussed the importance of investigating biological control agents in pest and pathogen interception samples.

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美国圣诞树冷杉(Abies fraseri)蚧虫Fiorinia侵染昆虫病原真菌的研究

摘要我们对昆虫病原真菌Conoideoccella luteorostrata（Zimm.）D.Johnson、G.H.Sung、Hywel Jones和Spatafora（Hypocreales:Clavicipitaceae）、Fiorinia externa Ferris（半翅目：双蜘蛛科）、Fraser fir圣诞树、Abies fraseri（Pursh）Poir（Pinaceae）进行了鉴定。密歇根州、北卡罗来纳州和弗吉尼亚州种植的弗雷泽冷杉圣诞树在佛罗里达州的植物检查中被拦截。本研究基于纯培养中的分离，以及使用4-位点（ITS、LSU、SSU、tef1）的形态学和分子表征，代表了C.luteorostrata在F.externa上的第一个记录。此外，我们还回顾了美国所有先前报道的F.externa天敌，讨论了它们作为生物控制剂的潜力，并得出了探索一种新的F.extena天敌的必要性。我们建议使用C.luteorostrata作为F.externa的生物防治剂。我们还认为，我们的分离物可能是新的未表征活性化合物的来源，并可用于白蝇和介壳虫的生物防治，正如在其他C.luteorostrata菌株中所证明的那样。我们还讨论了在害虫和病原体截留样品中研究生物防治剂的重要性。

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

Florida Entomologist 生物-昆虫学

CiteScore

2.10

自引率

7.10%

发文量

审稿时长

3 months

期刊介绍： Florida Entomologist is the official journal of the Florida Entomological Society. Volumes 1-3 were published under the name The Florida Buggist. The Florida Entomological Society still produces the traditionally printed version of Florida Entomologist, but you can also view, search, or print any article published since June 1917 by accessing online files. Web access is made possible by the Society’s electronic publication project begun in 1993