关键词: 虻, 吸血活动, 吸血量

Abstract: This paper reports the result of survey on the feeding activities of Tabanids at the Mountains of Shaowu city.There are 36 species.collected from the July to August 1992.The peak time of blood sucking found in afternoom(about 16-190'clock),it takes 49.6% of the total bite rate and a cattle were sucked 2379.6 times in a day by the various Tabanids Tabanus chekia gensis was one of the dominant specier in the locatity. The amount of the dominant species.The blood taken by a small species as Chrysops vanderwulpi is 66 mg.but the larger species are about 450 mg as Tabanus lineataenia,a cattle can lose it blood 1000 g by the sucking of Tabanids in a day.