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Article Abstract
Lygaeoidea, one of the largest superfamilies of the true bugs (Hemiptera: Heteroptera), currently comprises 16 families and exhibits abundant diversification in habitats, body plans, and feeding habits. The relationships within this superfamily are complex, and comprehensive molecular phylogenetic studies, particularly those focusing on subfamilies and tribes within Rhyparochromidae, have been lacking. In the present study, we sampled 125 lygaeoid species representing all 16 families of Lygaeoidea, with a focus on two subfamilies and 12 tribes within Rhyparochromidae. A phylogenetic dataset with 102 genes was assembled, including two nuclear rRNA genes (18S rDNA, 28S rDNA), two mitochondrial rRNA genes (12S rDNA, 16S rDNA), 13 mitochondrial protein-coding genes (PCGs) and 85 nuclear PCGs generated from the low-coverage genomes. Our inferences indicate that Rhyparochromidae is not monophyletic, with one subfamily, one tribe, and one genus deserving elevation to the rank of family. Additionally, this phylogenetic result is also supported by corresponding morphological evidence. Besides, the transfer of the Heissothignus from Heterogastridae to Meschiidae is supported by molecular evidence in this study.
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| http://dx.doi.org/10.1016/j.ympev.2025.108356 | DOI Listing |
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