Anjos Karina A, Araújo-Silva Shirley B, Fiorini Leonardo C, Duarte Fernanda C, Sampaio Paulo H S, Rodrigueiro Tatyana S C, Harakava Ricardo, Mendes Márcia C
Centro de Pesquisa em Sanidade Animal, Instituto Biológico, 04014-900 São Paulo-SP, Brazil..
Zootaxa. 2020 Mar 31;4758(3):zootaxa.4758.3.9. doi: 10.11646/zootaxa.4758.3.9.
The aim of this study was to analyse morphological and molecular (ITS region) characteristics for eight species of mites in the family Macrochelidae that are present in cattle manure in Brazil. Six of these species were already known in Brazil and, for five of these, both tools (morphology and phylogeny) were concordant regarding all the trees used. The species G. saprophila and M. scutatus were reported in the present study for the first time in Brazil. The data obtained in this study suggest that the molecular analysis corroborated the morphological identification in most species of macrochelids. The results also demonstrate the need to correlate identifications through dichotomous keys, by using phylogenetic studies to better distinguish cryptic species.
本研究的目的是分析巴西牛粪中发现的巨螯螨科8种螨类的形态学和分子（ITS区域）特征。其中6个物种在巴西已为人所知，对于其中5个物种，形态学和系统发育这两种方法在所有使用的树状图上结果一致。腐食嗜螨（G. saprophila）和盾巨螯螨（M. scutatus）这两个物种是本研究中首次在巴西被报道。本研究获得的数据表明，分子分析在大多数巨螯螨物种中证实了形态学鉴定结果。结果还表明，有必要通过二叉检索表进行鉴定，并利用系统发育研究来更好地区分隐存物种。
