Manilla G
Parassitologia. 1982 Dec;24(2-3):269-76.
In the first months of 1977 some adults of Ixodes ricinus (L., 1758) have been found on Felis catus domesticus in a newly urbanized area near Rieti (Lazio, Central Italy) which had been previously used as a grazing-ground for sheep. This finding, quite exceptional according to the literature, is explained in the following way: 1) the cat had not been recorded until now as an habitual host of any Ixodid species, but many species of this superfamily can infest the cat in absence of their habitual hosts; 2) in a continental temperature climate, in peculiar microhabitats and in presence of hosts, I. ricinus can remain active for the whole year; 3) in changing the environment, man can influence the life-cycle of the parasite: the niche abandoned by the natural hosts can be occupied by other hosts which may be in many ways better suited to the tick and more dangerous for man. This phenomenon appears to be principally linked with the urbanization.
1977年最初几个月，在里耶蒂（意大利中部拉齐奥大区）附近一个新城市化区域的家猫（Felis catus domesticus）身上发现了蓖子硬蜱（Ixodes ricinus，林奈，1758）的一些成虫，该区域此前用作牧羊场。根据文献记载，这一发现相当罕见，原因如下：1）猫至今尚未被记录为任何硬蜱物种的习惯性宿主，但在缺乏其习惯性宿主的情况下，该超科的许多物种都可寄生于猫；2）在大陆性温带气候中，在特殊微生境且有宿主存在的情况下，蓖子硬蜱可终年保持活跃；3）人类改变环境时会影响寄生虫的生命周期：自然宿主遗弃的生态位可能被其他宿主占据，这些宿主在很多方面可能更适合蜱生存且对人类更具危险性。这一现象似乎主要与城市化有关。
