贵州省青岩地区蚋类自然感染索科线虫的季节性动态变化

寻慧, 刘占钰, 贾若, 杨曜铭, 潘威, 杨明

doi:10.11853/j.issn.1003.8280.2016.02.017

中国媒介生物学及控制杂志 >

2016 , Vol. 27 >Issue 2: 160 - 163

DOI: https://doi.org/10.11853/j.issn.1003.8280.2016.02.017

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贵州省青岩地区蚋类自然感染索科线虫的季节性动态变化

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贵州医科大学基础医学院, 贵阳 550004

寻慧,女,副教授,从事昆虫学研究,Email:xhgyyxy1115@aliyun.com

收稿日期: 2015-11-10

网络出版日期: 2016-04-20

基金资助

贵州省科技厅社会发展攻关项目(黔科合SY[2012]3083号);贵州省科技厅与贵阳医学院联合基金(黔科合LG字[2012]022号)

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Survey on the seasonal changes of mermithid nematode parasites in blackflies (Diptera: Simuliidae) in Qingyan, Guizhou province

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Basic Medical College, Guizhou Medcial University, Guiyang 550004, Guizhou Province, China

Received date: 2015-11-10

Online published: 2016-04-20

Supported by

Supported by the Social Development Project of Guizhou Province Science and Technology Department (No. SY[2012] 3083) and the Joint Fund Project of Guizhou Province Science and Technology Department and Guiyang Medical University (No. LG[2012]022)

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摘要

目的了解贵州省青岩镇蚋类自然感染索科线虫状况及其感染率的季节性变化。方法 2013年3月至2014年2月,每月上旬在青岩古镇旁溪流中定点采集蚋类幼虫,调查线虫感染率,并分析季节性变化。结果青岩地区主要存在兴义维蚋和五指山蚋2个蚋种。除2013年10月外,各月采集的兴义维蚋幼虫数量均高于五指山蚋。2种蚋均可被索科线虫感染,兴义维蚋感染青绿色索科线虫,五指山蚋感染白色索科线虫。全年共获取兴义维蚋幼虫12649条,平均寄生感染率为4.70%(595/12649),每月寄生感染率为1.26%~21.57%;五指山蚋幼虫3694条,平均寄生感染率为20.84%(770/3694),每月寄生感染率为1.33%~43.05%。兴义维蚋感染索科线虫高峰主要在秋季,而五指山蚋感染高峰在冬季;五指山蚋的索科线虫寄生率高于兴义维蚋。结论贵州省青岩镇蚋类感染索科线虫的感染率随季节变化。

关键词： 蚋; 索科线虫; 感染率; 季节性动态变化

本文引用格式

寻慧, 刘占钰, 贾若, 杨曜铭, 潘威, 杨明 . 贵州省青岩地区蚋类自然感染索科线虫的季节性动态变化[J]. 中国媒介生物学及控制杂志, 2016 , 27(2) : 160 -163 . DOI: 10.11853/j.issn.1003.8280.2016.02.017

Abstract

Objective To determine the situation of Simuliids infected with mermithid nematode parasites and its infection rate of seasonal dynamic changes in Qingyan, Guizhou province. Methods From March 2013 to February 2014, larval blackflies were collected in Qingyan stream each month. The infection rates of mermithid nematodes were investigated and the seasonal changes were analyzed. Results There are Simulium (Wilhelmia) xingyiense Chen and Zhang, 1998 and Simulium (Simulium) wuzhishanense Chen, 2003 in Qingyan stream. Except 2013 October, the number of S. (S.) xingyiense larvae was collected more than S. (S.) wuzhishanense every month. Two kinds of Simuliids were the hosts of the mermithid. The green mermithid nematode infected S. (S.) xingyiense. But the white mermithid nematode infected S. (S.) wuzhishanense. The mermith infected 4.70% of 12 649 larvae of S. (S.) xingyiense, ranging from 1.26% to 21.57%. The mermith infected 20.84% of 3 694 larvae of S. (S.) wuzhishanense, ranging from 1.33% to 43.05%. The peak incidences in S. (S.) xingyiense occurred during the autumn. The peak incidences in S. (S.) xingyiense occurred during the winter. The parasitic rate of S. (S.) wuzhishanense is higher than S. (S.) xingyiense. Conclusion The infection rate of mermithid nematodes in simuliids changed with seasonal variations.

Key words： Simuliidae; Mermithid nematode; Infection rate; Season

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