Development of a rapid and reliable surveillance method for Ornithodoros turicata americanus in gopher tortoise (Gopherus polyphemus) burrows in the southeastern United States

IF 1.6 3区 农林科学 Q2 ENTOMOLOGY Medical and Veterinary Entomology Pub Date : 2024-09-11 DOI:10.1111/mve.12764
Nicholas Canino, Carson Torhorst, Sebastian Botero‐Cañola, Lorenza Beati, Kathleen C. O'Hara, Angela James, Samantha M. Wisely
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Abstract

The soft tick Ornithodoros turicata Duges (Acari: Argasidae) is a potential vector of African swine fever virus (ASFV). We evaluated the efficacy of two methods to collect soft ticks rapidly and efficiently from gopher tortoise (Gopherus polyphemus) burrows, which are ubiquitous throughout large regions of the southeastern United States and their burrows are a known microhabitat of O. turicata. Burrow vacuuming was an effective and efficient tick collection method; no tick was captured employing CO2 trapping. Using an occupancy modelling framework, we estimated that the probability of detecting ticks from an infested burrow each time a sample was taken with this method was 58% and increased with the average relative humidity. With the occupancy model, we estimated that 70% of the burrows in the study area were infested with O. turicata. Manual sifting of the burrow material yielded more ticks (6.6 individuals/sample) than using a set of three sieves (2.9 individuals/sample), yet the probability of detecting the species was not different between the two methods (Pval = 0.7). These methods can inform the development of ASF vector surveillance and outbreak response plans in areas of high risk for ASFV introduction in the region.
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在美国东南部地鼠龟(Gopherus polyphemus)洞穴中开发一种快速可靠的美国地鼠龟(Ornithodoros turicata americanus)监测方法
软蜱 Ornithodoros turicata Duges(Acari:Argasidae)是非洲猪瘟病毒(ASFV)的潜在病媒。我们评估了从地鼠龟(Gopherus polyphemus)洞穴中快速有效地收集软蜱的两种方法的有效性,地鼠龟在美国东南部大片地区无处不在,它们的洞穴是 O. turicata 的已知微生境。洞穴吸尘是一种有效且高效的蜱虫收集方法;二氧化碳诱捕法没有捕获到蜱虫。通过占用模型框架,我们估计每次使用这种方法取样时从出没的洞穴中检测到蜱虫的概率为 58%,并且随着平均相对湿度的增加而增加。根据占位模型,我们估计研究区域内 70% 的洞穴都受到了 O. turicata 的侵扰。人工筛选洞穴材料比使用一组三个筛子(2.9 个个体/样本)得到更多的蜱(6.6 个个体/样本),但两种方法检测到该物种的概率没有差异(Pval = 0.7)。这些方法可为该地区 ASFV 传入高风险地区制定 ASF 病媒监测和疫情应对计划提供参考。
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来源期刊
Medical and Veterinary Entomology
Medical and Veterinary Entomology 农林科学-昆虫学
CiteScore
3.70
自引率
5.30%
发文量
65
审稿时长
12-24 weeks
期刊介绍: Medical and Veterinary Entomology is the leading periodical in its field. The Journal covers the biology and control of insects, ticks, mites and other arthropods of medical and veterinary importance. The main strengths of the Journal lie in the fields of: -epidemiology and transmission of vector-borne pathogens changes in vector distribution that have impact on the pathogen transmission- arthropod behaviour and ecology- novel, field evaluated, approaches to biological and chemical control methods- host arthropod interactions. Please note that we do not consider submissions in forensic entomology.
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