Antonovskaia Anastasia A, Altshuler Evgeny P, Balakirev Alexander E, Lopatina Yuliya V
Department of Entomology, Faculty of Biology, Lomonosov Moscow State University, Leninskie gory 1-12, Moscow 119234, Russia.
Zoological Institute of the Russian Academy of Sciences, Universitetskaya nab. 1, Saint Petersburg 199034, Russia.
J Med Entomol. 2024 Jul 12;61(4):925-939. doi: 10.1093/jme/tjae064.
We studied chigger and gamasid mite loads on small mammals during the dry season in Vietnam and used both our field data and museum collections to estimate the influence of environmental factors on mite abundance and prevalence. Generalized linear (mixed effect) models were used to analyze the data. We examined 1,239 small mammal individuals, which were obtained from field expeditions and museum collections belonging to 59 species. In different localities, Rattus Fischer (Rodentia: Muridae), Niviventer Marshall (Rodentia: Muridae), and Maxomys Sody (Rodentia: Muridae) were the most common animals captured. The prevalence of chigger and gamasid mites in our expedition data was high: 72% and 62%, respectively. We found differences in the abundance of chigger mites between different populations of the same species of small mammals. Season and locality were the main factors that influenced chigger mite abundance and prevalence. The best model that predicted the abundance and prevalence of chigger mites included geography (province) as a predictor and host species and season as random effects. For the first time, we analyzed factors connected with climate and weather affecting chigger mites of small mammals in Vietnam.
我们研究了越南旱季小型哺乳动物身上恙螨和革螨的负荷，并利用我们的野外数据和博物馆馆藏来估计环境因素对螨类丰度和感染率的影响。使用广义线性（混合效应）模型来分析数据。我们检查了1239只小型哺乳动物个体，这些个体来自野外考察和博物馆馆藏，分属于59个物种。在不同地点，菲氏鼠（啮齿目：鼠科）、社鼠（啮齿目：鼠科）和白腹巨鼠（啮齿目：鼠科）是捕获的最常见动物。在我们的考察数据中，恙螨和革螨的感染率很高，分别为72%和62%。我们发现同一物种的不同小型哺乳动物种群之间恙螨的丰度存在差异。季节和地点是影响恙螨丰度和感染率的主要因素。预测恙螨丰度和感染率的最佳模型包括将地理区域（省份）作为预测因子，并将宿主物种和季节作为随机效应。我们首次分析了与气候和天气相关的因素对越南小型哺乳动物恙螨的影响。
