The genus Tinginotum Kirkaldy, 1902 (Hemiptera, Miridae, Mirinae) with description of a new species from Vietnam and additional notes on Southeast Asian materials

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Abstract
The plant bug genus Tinginotum Kirkaldy is reviewed from Vietnam. Four species are recognized, including a new species, Tinginotum linhi Kim, Chérot & Jung, sp. nov ., and new distributional records of T. bilineatum and T. perlatum from Vietnam. Detailed diagnoses, descriptions, and a key to the Vietnamese species are provided. Male and female genitalia of T. bilineatum and female genitalia of T. knowlesi are described and illustrated for the first time. In addition to reviewing the Vietnamese fauna, distributional records from neighboring countries were also examined, leading to updated occurrence data for the genus. A particular focus is given to the potential broad-range distribution of T. perlatum , considering whether this pattern reflects a truly widespread species or unresolved conspecificity with taxa described from tropical regions. Furthermore, for several Southeast Asian species that were described long ago, the early 19 th century, but remain poorly known, we provide photographs of the type specimens and summarize the essential key characters based on the images examined and the original descriptions. These notes are intended to encourage future comprehensive taxonomic research on the genus and its related taxa.

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