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首页> 外文期刊>Biocontrol Science and Technology >Intrinsic competition between Diachasmimorpha longicaudata and three native species of parasitoids (Hymenoptera: Braconidae: Opiinae) of Anastrepha (Diptera: Tephritidae) fruit flies under laboratory conditions
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Intrinsic competition between Diachasmimorpha longicaudata and three native species of parasitoids (Hymenoptera: Braconidae: Opiinae) of Anastrepha (Diptera: Tephritidae) fruit flies under laboratory conditions

机译：DiaChasmimorpha longicataData和三种寄生虫（Hymenoptera：Braconidae：opiinae）之间的内在竞争Anastrepha（Diptera：Tepharritidae）果实在实验室条件下飞行

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摘要

The effect of intrinsic competition between the exotic parasitoid Diachasmimorpha longicaudata (Ashmead) and the native species Doryctobracon crawfordi (Viereck), Utetes anastrephae (Viereck) and Opius hirtus (Fischer) (all Braconidae: Opiinae) was studied under laboratory conditions. Each native species and D.?longicaudata acted as both a resident and an invader, and all species were introduced to the host simultaneously. Diachasmimorpha longicaudata was found to be the most competitive species because it achieved the highest parasitism percentage under all the experimental conditions, but it was also negatively affected by the presence and parasitic activity of the native parasitoids. Utetes anastrephae was the only species that maintained its parasitic rate when all species attacked the available hosts simultaneously. The emergence probability of a female D.?longicaudata was positively associated with the increase in the number of scars on the cuticle of the host pupa, but this association was not observed for the native species. It was concluded that D.?longicaudata is an intrinsic competitor that is superior to D.?crawfordi, U.?anastrephae and O.?hirtus, whether acting as a resident or an invader, producing a female-biased sex ratio in all the evaluation conditions. Utetes anastrephae was the native species that was least affected by the competitive presence of D.?longicaudata, which suggests that it could be used as a complementary biological control agent for Anastrepha fruit flies.
机译：在实验室条件下，在实验室条件下，研究了异国情调的寄生型二颌骨垂龙（Ashmead）和天然物种Doryctobracon Crawfordi（Viereck），UtetesAnastrephae（Viereck）和Opius Hirtus（Fischer）（所有Braconidae：Opiinae）的效果。每个原生物种和D.?LONGICATA充当居民和入侵者，并同时将所有物种引入主体。发现DiaChasmimOlpha LongicataData是最竞争的物种，因为它在所有实验条件下实现了最高的寄生率百分比，但它也受到天然寄生虫的存在和寄生活性的负面影响。 UtetesAnastrephae是当所有物种同时袭击可用主机时唯一维持其寄生率的物种。雌性D.?LONGICATA的出现概率与宿主蛹的角质层上的瘢痕数的增加呈正相关，但是本地物种未观察到这种关联。得出结论，D.?LONGICATA是一个内在的竞争者，优于D.?crawfordi，U.? anaStrehae和O.? Hirtus，无论是居民还是入侵者，在所有的所有情况下都会产生女性偏见的性别比例评估条件。 UtetesAnastrephae是受D.?Longicata竞争性影响最小的天然物种，这表明它可以用作Anastreha果蝇的互补生物控制剂。

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