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quan ji sheng de er ji xue zuo
Author(s): 
Pages: 49-50
Year: Issue:  9
Journal: Chinese Veterinary Science

Keyword:  二棘血蜱寄生须肢幼蜱盾板警犬缘垛假头基气门板硬蜱科;
Abstract: <正>二棘血蜱(Haemaphysalis bispinosa)属硬蜱科血蜱属,寄生于牛、羊、马、猪、猫、狮、虎等动物。经观察,我市警犬也感染此蜱,对警犬危害甚重。 (一)形态 雌雄异体,虫体呈黄褐色,无眼。须肢粗短,第2节外展,超出假头基之外。螯肢略长于须肢。假头呈矩形。口下板齿式为4/4,齿大小较均一,齿列等长。盾板无花板。有肛后沟和肛中沟。体后缘有缘垛11个。足4对。
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