秃病蚤蒙冀亚种叮吸人血能力的观察

Observations on the Bitting and Blood-sucking Abilities of the Rodent Flea, Nosopsyllus laeviceps kuzenkovi, on the Forearms of Mankinds.

在实验室条件下观察了秃病蚤蒙冀亚种的叮人吸血能力。结果表明,当把该蚤固定在手臂上时,该蚤叮吸人血的能力很强,吸血率雌蚤为92.31％,雄蚤为96.36％,受叮部位在叮咬6小时后出现丘疹,反应程度因人而异。此习性在把自然界鼠疫传给人的可能性方面具有一定意义。

The biting and blood-sucking abilities of the rodent flea, Nosopsyllus laeviceps kuzenkovi on the forearms of mankind were observed under the laboratory conditions. The resnlts shown that the fleas were able to bite mankind and suck blood. The biting and blood-sucking abilities of the fleas were getting greater especially when the fleas were confined on the skin of forearm. The blood-sucking percentages were 92.31％ for females and 96.36％ for males. The papules appeared on the bittne positions after 6 hours of bite. The levels of bitten reaction varied with the individual difference of the mankinp whom were bitten. These behaviors of the fleas are of the great significance for understanding the possibilities which the plague might be transmitted from nature to mankinds.