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首頁> 美國衛(wèi)生研究院文獻>Annals of the Entomological Society of America >Differential Behavioral Responses to Water-Borne Cues to Predation in Two Container-Dwelling Mosquitoes
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Differential Behavioral Responses to Water-Borne Cues to Predation in Two Container-Dwelling Mosquitoes

機譯：在兩個居住在容器中的蚊子對水線索對捕食的不同行為響應(yīng)

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Larvae of the mosquito Toxorhynchites rutilus (Coquillett) prey upon other container-dwelling insects, including larvae of Aedes albopictus (Skuse), which is native to Asia but was introduced into the United States, and on the native tree hole mosquito Ochlerotatus triseriatus (Say). Previous work has established that O. triseriatus adopts low-risk behaviors in the presence of predation risk from T. rutilus. It is unknown whether introduced A. albopictus show a similar response to this predator. Behavior of fourth instars of A. albopictus or O. triseriatus was recorded in water that had held either A. albopictus or O. triseriatus larvae alone (control) and in water that had held T. rutilus larvae feeding on either A. albopictus or O. triseriatus (predation). Activity and position of larvae were recorded in 30-min instantaneous scan censuses. In response to water-borne cues to predation, O. triseriatus adopted low-risk behaviors (more resting, less feeding and movement), but A. albopictus did not change its behavior. We also tested the species specificity of the cues by recording the behavior of A. albopictus in water prepared using O. triseriatus and vice versa. O. triseriatus adopted low-risk behaviors even in predation water prepared by feeding T. rutilus with A. albopictus, but A. albopictus did not alter its behavior significantly between predation and control treatments prepared using O. triseriatus. Thus, A. albopictus does not seem to respond behaviorally to cues produced by this predator and may be more vulnerable to predation than is O. triseriatus.
機譯：蚊子Toxorhynchites rut??ilus（Coquillett）的幼蟲捕食其他以容器為食的昆蟲，包括白紋伊蚊（Skuse）的幼蟲，該幼蟲原產(chǎn)于亞洲，但已傳入美國，并在本地樹洞蚊子Ochlerotatus triseriatus（Say ）。先前的工作已經(jīng)確定，在有來自T. rutilus的捕食風(fēng)險的情況下，Triseriatus采取低風(fēng)險行為。未知引入的白術(shù)曲霉是否對該捕食者顯示出類似的反應(yīng)。記錄了僅持有白化曲霉或三粉曲霉幼蟲的水（對照組）和持有以白線曲霉或O.rutilus取食的util魚幼蟲的水中（對照）的第四齡的行為。 Triseriatus（捕食）。在30分鐘的瞬時掃描普查中記錄幼蟲的活動和位置。為了響應(yīng)水基捕食的線索，Triseriatus采取低風(fēng)險行為（多休息，少進食和移動），但白紋曲霉并未改變其行為。我們還通過記錄使用 O制備的水中白術(shù)曲霉的行為來測試提示的物種特異性。 triseriatus ，反之亦然。 O。即使在飼喂 T制備的捕食水中，triseriatus 仍具有低風(fēng)險行為。 rutilus 和 A。 albopictus ，但 A。在使用 O進行的捕食和對照處理之間，白化病的行為沒有明顯改變。 triseriatus 。因此， A。 albopictus 似乎對這種掠食者產(chǎn)生的線索沒有行為上的反應(yīng)，并且比 O更容易受到掠食。 triseriatus 。

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