关键词: 秃病蚤蒙冀亚种, 光亮额蚤原, 双蚤, 叮人吸血

Abstract: Nosopsyllus-1aeviceps kuzenkovi,Frontopsylla luclenta and Amphjpsylla prim aris are plague vector fleas. To observe the biting and blood-sucking abilities of these three species fleas on mankind,the tests were carried out under the laboratory condition. Test results showed that the highest percentage of blood sucking was for N. laeuiceps kuzenkovi then for F. luculenta and the lowest for A. primaris.of all these three species of fleas have the biting and blood-sucking abilities on mankind,especially when the fleas are confined on the forearms of mankind,the blood-sucking percentage of female and male were 92.31% and 96.36% for N. 1. k., 66.07% and 59.26% for F.1.,4.84% and 3.30% for A.prespectively These abiliti esof fleas have an important significance fore understanding the possibility of the plague transmission from nature to mankinds.