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首页> 外文期刊>Journal of Medical Entomology >Seasonal activity and host associations of Ixodes scapularis (Acari: Ixodidae) in southeastern Missouri
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Seasonal activity and host associations of Ixodes scapularis (Acari: Ixodidae) in southeastern Missouri

机译：密苏里州东南部的肩x突触螨的季节性活动和寄主协会

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摘要

Based on tick collections recovered from wild vertebrates and by dragging in 1993-96, the seasonal occurrence of adult I. scapularis, extended from October to May in southeastern Missouri, USA. Adult activity was bimodal with the higher peak occurring in November followed by a lower peak in February. The activity of immature I. scapularis had the general pattern of that found in the northeast where Lyme disease is hyperendemic, with larval activity (July) peaking after that of nymphs (May and June). Vertebrates varied in their importance as hosts of I. scapularis. White-tailed deer, Odocoileus virginianus, and coyotes, Canis latrans, were the primary hosts of adult I. scapularis. Broad-headed skinks, Eumeces laticeps, and eastern fence lizards, Sceloporus undulatus, were the primary hosts of nymphal I. scapularis. The broad-headed skink, 5-lined skink, E. fasciatus, and Carolina wren, Thryothorus ludovicianus, were the primary hosts of larval I. scapularis. Homeotherms were important hosts of immature I. scapularis, accounting for 30% of nymphs and 39% of larvae collected. The eastern cottontail rabbit, Sylvilagus floridanus, may play an important role in the epidemiology of Lyme disease in Missouri. Isolates of Borrelia burgdorferi were made from ticks recovered from rabbits, making the cottontail rabbit a key species for further study of the epidemiology of Lyme borreliosis in Missouri.
机译：根据从野生脊椎动物中采集的tick收集物并在1993-96年间进行拖曳，成年的肩I鱼的季节性发生从10月延长到5月在美国密苏里州东南部。成人活动是双峰活动，高峰在11月出现，随后在2月出现较低的高峰。未成熟的肩鱼的活动具有在莱姆病高流行的东北部发现的一般模式，幼虫活动（7月）在若虫（5月和6月）之后达到顶峰。脊椎动物作为肩cap鱼宿主的重要性各不相同。白尾鹿Odocoileus virginianus和土狼Canis latrans是成年I肩I的主要寄主。阔头石龙子Eumeces laticeps和东部篱笆蜥蜴Sceloporus undulatus是若虫I.scapularis的主要寄主。阔头石龙子，5排石龙子，筋膜肠球菌和卡罗来纳州ren，Thythothorus ludovicianus是幼虫肩cap鱼的主要寄主。恒温是肩不育的重要寄主，占若虫的30％和幼虫的39％。东部棉尾兔Sylvilagus floridanus可能在密苏里州的莱姆病流行病学中发挥重要作用。伯氏疏螺旋体的分离物是从家兔身上采集的tick中分离得到的，这使得棉尾兔成为了进一步研究密苏里州莱姆病的流行病学的关键物种。

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