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首页> 外文期刊>Comparative parasitology >Life History and Distribution of the Leech Oligobdella biannulata (Moore, 1900) (Euhirudinea: Glossiphoniidae)
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Life History and Distribution of the Leech Oligobdella biannulata (Moore, 1900) (Euhirudinea: Glossiphoniidae)

机译：水LeeOligobdella biannulata的生活史和分布（摩尔，1900年）（Euhirudinea：Glossiphoniidae）

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摘要

Oligobdella biannulata is a rare, endemic leech species originally described from a mountain stream near glowing Rock, North Carolina, U.S.A. Specimens of O. biannulata were collected seasonally (fall 1999-summer 2002), documenting new county records from North Carolina and South Carolina and new state records from Georgia and Tennessee, U.S.A. Fifty-one percent of Desmognathus quadramaculatus and 50% of Desmognathus marmoratus were parasitized with O. biannulata. Between late May and early July, O biannulata leaves its salamander host to lay 15-30 bright yellow, yolky eggs and brood them on its ventral surface. Eggs hatch in 10-20 d, and in about 50 d both hatchlings and adult search for a blood meal. Oligobdella biannulata reattaches to its host between late August and early October. When a desmognathine salamander host is found the adult leech attaches and hatchlings leave the adult, attaching singly or in clusters on the limbs or axillary and inguinal regions of the salamander, blood feeding, and overwintering on the host.
机译：Oligobdella biannulata是一种罕见的地方性水ech物种，最初是从美国北卡罗来纳州发光的岩石附近的一条山stream中描述的。O. biannulata的标本是季节性采集的（1999年秋季至2002年夏），记录了北卡罗来纳州和南卡罗来纳州以及美国佐治亚州和田纳西州的新州记录将51％的Desmognathus quadramaculatus和50％的Desmognathus marmoratus寄生于O. biannulata。在5月下旬至7月初之间，O biannulata离开sal的宿主，产下15-30个鲜黄色的卵状卵，并将其孵化在腹面。卵在10到20 d内孵化，在约50 d内孵化，成年卵和成年卵都寻找血粉。 Oligobdella biannulata在8月下旬至10月上旬重新附着于其宿主。当发现地高硫salam宿主时，成年的水ech附着物和幼体离开成年者，,的肢体或腋窝和腹股沟区域单独或成簇附着，为宿主供血，并越冬。

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