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1981～1983年在提契诺州的现场调查表明,瑞士南部存在三种白蛉:恶毒白蛉、P.mascittii和微小白蛉。恶毒白蛉在西班牙、法国和意大利是内脏、皮肤及犬利什曼病的主要媒介。作者对恶毒白蛉在瑞士能否成为婴儿利什曼病的媒介以及它在提契诺州是否有流行病学上的重要性进行了研究。实验采用的婴儿利什曼株系IARI/FR/80/LEM 288,从叮咬患利什曼病犬的雌性阿氏白蛉体内分离得到。通过腹腔内注射婴儿利什曼原虫前鞭毛体培养物,使叙利亚金色仓鼠(Mesocricetus auratus)获得高原虫血症用于感染白蛉,恶毒白蛉采自提契诺州南部Malcantone,然后在瑞士热带病研究院建立的虫株。实验用的雌性恶毒白蛉分A、B两组(A组158只,B组208只)。第一次血餐叮咬感染婴儿利什曼LEM株的仓鼠。感染后,A
A field survey in Ticino from 1981 to 1983 showed that there are three types of white flycatcher in Southern Switzerland: vicious whitefly, P. mascittii and tiny whitefly. Malicious whitefly is the main vehicle for visceral, cutaneous and canine leishmaniasis in Spain, France and Italy. The authors studied whether virulent whitefowl could become a vehicle for infantile Leishmaniasis in Switzerland and whether it is of epidemiological importance in the state of Ticino. The Leishmania infantum strain IARI / FR / 80 / LEM 288 used in the experiment was isolated from female R. albionii bites with leishmaniasis. The Syrian hamster (Mesocricetus auratus) was used for the infection of Bletilla striata via intraperitoneal injection of Leishmania infantum flagella culture, which was collected from Malcantone in the southern part of the state of Ticino, Institute of disease established worm strains. Experimental female virulent Baiji points A, B two groups (A group 158, B group 208). The first blood meal bites hamsters infected with infant Leishman LEM strain. After infection, A.