Abstract
The gemmata species group of Helota MacLeay is revised. Seven species are recognized, including two described herein, H. schuhi sp. nov. from China (Hubei Province) and H. ohbayashii sp. nov. from Laos and Thailand. H. distincta Ritsema and H. ritsemana Heller are placed as junior synonyms of H. fulviventris Kolbe; H. caudata Ritsema is placed as a junior synoym of H. gorhami Olliff. Lectotypes are designated for H. kolbei Ritsema, H. ventralis Ritsema, H. gemmata Gorham, H. fulviventris Kolbe, H. ritsemana Heller, H. distincta Ritsema, and H. gorhami Olliff. A key for the gemmata species group is provided. Figures of protibia, penis, parameres, internal sac, eighth abdominal tergite are presented for all species.
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