Programa de Pós-graduação em Biodiversidade Animal - PPGBDiv, Universidade Federal de Pelotas - UFPel, Pelotas, RS, Brasil.
Programa de Pós-graduação em Entomologia - PPGEnt, Universidade Federal de Pelotas - UFPel, Pelotas, RS, Brasil.
Rev Bras Parasitol Vet. 2024 Jun 17;33(2):e020123. doi: 10.1590/S1984-29612024028. eCollection 2024.
Horse fly females (Diptera, Tabanidae) are hematophagous and can vector pathogens that affect livestock. Complexes of cryptic species are common in Tabanidae, as exemplified by some species of Tabanus, including Tabanus triangulum and Tabanus occidentalis, both prevalent in the Southern region of Brazil. In this study, geometric morphometrics were employed to ascertain the wing venation in species identification. It was demonstrated that this tool effectively differentiates T. triangulum from T. occidentalis in the coastal plain of Rio Grande do Sul state, situated within the Pampa biome. The results indicate that T. triangulum and T. occidentalis occupy distinct regions of the morphological space, allowing their precise identification through geometric morphometrics, which is fast, affordable, and easy to implement.
虻科（Diptera，Tabanidae）的雌蝇是吸血的，并能传播影响牲畜的病原体。虻科中存在许多隐种复合体，一些 Tabanus 物种就是很好的例子，包括 Tabanus triangulum 和 Tabanus occidentalis，这两种物种都在巴西南部地区很常见。在这项研究中，几何形态计量学被用来确定翅膀脉序在物种识别中的作用。结果表明，这种工具可以有效地将南里奥格兰德州沿海平原（位于潘帕斯生物群系内）的 T. triangulum 和 T. occidentalis 区分开来。结果表明，T. triangulum 和 T. occidentalis 占据了形态空间的不同区域，通过几何形态计量学可以对其进行准确识别，这种方法快速、经济实惠且易于实施。
