The latest progress of the taxonomy is the use of integrative approach for species delimitation based on a multisource dataset. However, the taxonomic decision that should be made when convergence between the different lines of evidence is not observed remains debated. Here, we investigate the consequences of the application of an ‘integration by cumulation’ approach on the taxonomic statuses within the Bombus lapidarius complex when using an integrative taxonomic framework (i.e. nuclear and mitochondrial markers along with reproductive traits) compared with a strict ‘integration by congruence’ method. Our results show similar taxonomic conclusions whatever the decision‐making approach used except for one taxon. According to the differentiation observed in our integrative taxonomic framework, recent divergence time and other field observations for this taxon, we assume that a too strict decision‐making method could fail to detect recently diverged species. This is exemplified by the new species Bombus bisiculus sp. n. occurring in South Italy and Sicily.

中文翻译：

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太严还是太松？Bombus lapidarius complex（膜翅目：蜂科）的综合分类评估

分类学的最新进展是基于多源数据集使用综合方法进行物种定界。然而，当没有观察到不同证据线之间的趋同时应该做出的分类决定仍然存在争议。在这里，我们研究了在使用综合分类框架（即核和线粒体标记以及生殖性状）时，在 Bombus lapidarius 复合体中应用“累积整合”方法与严格的“通过累积整合”方法的后果。一致性”的方法。我们的结果显示了相似的分类学结论，无论使用何种决策方法，除了一个分类单元。根据在我们的综合分类框架中观察到的差异，根据该分类群的最近分化时间和其他实地观察，我们假设过于严格的决策方法可能无法检测到最近分化的物种。新物种 Bombus bisiculus sp 就是例证。n. 发生在意大利南部和西西里岛。