| 概要 |
The Japanese species of Bagous are treated systematically; 17 species are recognized, of which 15 are newly described. These new species are B. buckinghami O’Brien and Morimoto, B. fractus O’Brien and... Morimoto, B. fritodes O’Brien & Morimoto, B. lewisi O’Brien & Morimoto, B. minor O’Brien & Morimoto, B. occultus O’Brien & Morimoto, B. proprius O’Brien & Morimoto, B. pygmaeodes O’Brien & Morimoto, B. rotundatus O’Brien & Morimoto, B. ryukyuensis O’Brien & Morimoto, B. spiculatus O’Brien & Morimoto, B. subcordatus O’Brien & Morimoto, B. subvittutus O’Brien & Morimoto, B. tuberculosus O’Brien & Morimoto, and B. youngi O’Brien & Morimoto; B. bipunctatus (Kono) and B. kagiashi Chujo & Morimoto were previously described. Eight species groups are recognized, the B. pygmaeus group (including B. minor and B. pygmaeodes), the B. bipunctatus group (including B. subcordatus, B. bipunctatus, B. occultus, B. spiculatus, B kagiashi and B. ryukyuensis), the B. proprius group (including B. proprius), the B. buckinghami group (including B. buckinghami), the B. fractus group (including B. fractus), thl: B. rotundatus group (incuding B. rotundatus), the B. transversus group (including B. youngi), and the B. frit group (including B. fritodes). Three species (B. lewisi, B. subvittatus and B. tuberculosus) remain unassigned to species group because they are known only from female specimens and do not possess specific characters that allow them to be assign& with certainly. A key to species, diagnosis of species groups and each species, habitus photographs and line illustrations of male and female genitalia are provided.続きを見る
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