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用于防治新粉蚧的旧寄生蜂：[具体寄生蜂名称]对[具体粉蚧名称]的寄主定位行为及寄生效能

Old Parasitoids for New Mealybugs: Host Location Behavior and Parasitization Efficacy of on .

作者信息

Ricciardi Renato, Zeni Valeria, Michelotti Davide, Di Giovanni Filippo, Cosci Francesca, Canale Angelo, Zang Lian-Sheng, Lucchi Andrea, Benelli Giovanni

机构信息

Department of Agriculture, Food and Environment, University of Pisa, via del Borghetto 80, 56124 Pisa, Italy.

Key Laboratory of Green Pesticide and Agricultural Bioengineering, Guizhou University, Guiyang 550025, China.

出版信息

Insects. 2021 Mar 18;12(3):257. doi: 10.3390/insects12030257.

DOI:10.3390/insects12030257
PMID:33803668
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8002873/
Abstract

The Comstock mealybug, (Hemiptera: Pseudococcidae) is a primary pest of orchards in the North and Northwest of China. This pest appeared recently in Europe, including Italy, where it is infesting mainly vineyards as well as apple and pear orchards. The present study investigated the efficacy of , a known biological control agent (BCA) of , on to evaluate a potential use for the management of this new pest. No-choice tests were conducted to quantify the parasitoid behavior against and . The parasitoid successfully parasitized both species (parasitization rate: 51% and 67% on and , respectively). The developmental time (19.67 ± 1.12 vs. 19.70 ± 1.07 days), sex ratio (1.16 ± 1.12 vs. 1.58 ± 1.07) and hind tibia length of the progeny showed no differences when . and . respectively, were exploited as hosts. Two-choice tests, conducted by providing the parasitoid with a mixed population of and , showed no host preference for either of the two mealybug species (23 vs. 27 first choices on . and . , respectively). The parasitization rate (61.5% and 64.5% in and , respectively) did not differ between the two hosts. Overall, our study adds basic knowledge on parasitoid behavior and host preferences and confirms the use of this economically important encyrtid species as an effective BCA against the invasive Comstock mealybug.

摘要

康氏粉蚧（半翅目：粉蚧科）是中国北方和西北部果园的主要害虫。这种害虫最近出现在欧洲，包括意大利，在那里它主要侵染葡萄园以及苹果园和梨园。本研究调查了一种已知的生物防治剂（BCA）对康氏粉蚧的防治效果，以评估其在管理这种新害虫方面的潜在用途。进行了无选择试验，以量化寄生蜂对康氏粉蚧和另一种粉蚧的行为。寄生蜂成功寄生了这两种粉蚧（寄生率：分别为51%和67%）。当分别以康氏粉蚧和另一种粉蚧为寄主时，子代的发育时间（19.67±1.12天对19.70±1.07天）、性别比（1.16±1.12对1.58±1.07）和后胫长度没有差异。通过向寄生蜂提供康氏粉蚧和另一种粉蚧的混合种群进行的双选择试验表明，寄生蜂对这两种粉蚧没有寄主偏好（分别有23次和27次首选康氏粉蚧和另一种粉蚧）。两种寄主的寄生率（分别为61.5%和64.5%）没有差异。总体而言，我们的研究增加了关于寄生蜂行为和寄主偏好的基础知识，并证实了这种经济上重要的恩蚜小蜂物种作为防治入侵性康氏粉蚧的有效生物防治剂的用途。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/688e/8002873/92e7ad17c641/insects-12-00257-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/688e/8002873/6a7146fa38f5/insects-12-00257-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/688e/8002873/758f2849ca8d/insects-12-00257-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/688e/8002873/ec3d2fcc0ee3/insects-12-00257-g003a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/688e/8002873/80e20b8513dc/insects-12-00257-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/688e/8002873/632f101431c4/insects-12-00257-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/688e/8002873/92ce43904e14/insects-12-00257-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/688e/8002873/3cd6ae52f65f/insects-12-00257-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/688e/8002873/0e41c7ea0976/insects-12-00257-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/688e/8002873/90dec4a7d33c/insects-12-00257-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/688e/8002873/92e7ad17c641/insects-12-00257-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/688e/8002873/6a7146fa38f5/insects-12-00257-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/688e/8002873/758f2849ca8d/insects-12-00257-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/688e/8002873/ec3d2fcc0ee3/insects-12-00257-g003a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/688e/8002873/80e20b8513dc/insects-12-00257-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/688e/8002873/632f101431c4/insects-12-00257-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/688e/8002873/92ce43904e14/insects-12-00257-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/688e/8002873/3cd6ae52f65f/insects-12-00257-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/688e/8002873/0e41c7ea0976/insects-12-00257-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/688e/8002873/90dec4a7d33c/insects-12-00257-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/688e/8002873/92e7ad17c641/insects-12-00257-g010.jpg

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