ABSTRACT Gaeolaelaps glabrosimilis and Holostaspis flexuosa are recorded for the first time in Western Siberia, Russia, collected from the ant species Lasius fuliginosus (Latreille) (Formicidae) and Camponotus herculeanus (L.), respectively. Gaeolaelaps glabrosimilis is redescribed on the basis of adults and a detailed comparison of this species with the very closely related species Gaeolaelaps longichaetus is presented. Moreover, notable variations are observed in some morphological characters of H. flexuosa.

中文翻译：

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俄罗斯西西伯利亚两种嗜蚁螨（Acari：Mesostigmata：Laelapidae）的新数据

摘要 Gaeolaelaps glabrosimilis 和 Holostaspis flexuosa 首次在俄罗斯西西伯利亚被记录，分别来自蚂蚁物种 Lasius fuliginosus (Latreille) (Formicidae) 和 Camponotus herculeanus (L.)。Gaeolaelaps glabrosimilis 是在成虫的基础上重新描述的，并提供了该物种与非常密切相关的 Gaeolaelaps longichaetus 物种的详细比较。此外，在H. flexuosa的一些形态特征中观察到显着变化。