目的 调查河北省沧州市渤海新区吸血蠓的种类组成及其季节分布。方法 2018年4-10月，采用诱虫灯和挥网法在渤海新区采集吸血蠓，选择屠宰场、隔离场、鸡舍、猪舍、马场和住区作为观察点。结果 在渤海新区采获吸血蠓5 107只，计1属7种，肩宏库蠓为河北省首次纪录，优势种为原野库蠓（72.22%）；不同场所和月份主要吸血蠓种类组成不同，吸血蠓的活动季节在4月下半月至10月上半月，在6月上半月（53.72只/灯）和8月下半月（71.88只/灯）出现2次高峰；原野库蠓在6月上半月（37.24只/灯）和8月下半月（68.41只/灯）出现2次高峰；北京库蠓在5月下半月（16.08只/灯）和8月上半月（23.22只/灯）出现2次高峰。4-10月灯诱法吸血蠓总指数为21.46只/灯，不同月份灯诱法吸血蠓指数不同。结论 为河北省沧州市渤海新区吸血蠓的种类组成、季节消长和蠓媒疾病研究提供了参考依据。
Objective To investigate the species composition and seasonality of blood-sucking midges in Bohai New Area of Cangzhou, Hebei province, China. Methods Blood-sucking midges were collected in Bohai New Area using light traps and insect nets from April to October, 2018, with slaughterhouses, quarantine farms, henhouses, hog houses, stables and residential areas as the selected observation points. Results A total of 5 107 blood-sucking midges, belonging to 1 genus and 7 species, were collected in Bohai New Area, of which Culicoides humeralis was recorded for the first time in Hebei province, and the dominant species was C. homotomus (72.22%). The species composition of blood-sucking midges varied between different places and months. The active season of blood-sucking midges was from the second half of April to the first half of October, and there were two peaks:the first half of June (53.72 inds/lamp) and the second half of August (71.88 inds/lamp). There were two peaks of activity, the first half of June (37.24 inds/lamp) and the second half of August (68.41 inds/lamp), for C. homotomus. There were two peaks of activity, the second half of May (16.08 inds/lamp) and the first half of August (23.22 inds/lamp), for C. morisitai. The total index of blood-sucking midges captured by the light traps from April to October was 21.46 inds/lamp, and the index of blood-sucking midges captured by the light traps varied across different months. Conclusion This investigation provides a reference for studies of the species composition and seasonal variation of blood-sucking midges and midge-borne diseases in the Bohai New Area of Cangzhou, Hebei province, China.
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