Ovophis tonkinensis envenoming presenting with severe isolated thrombocytopenia and local necrosis: A case report

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  Image Credit: iNaturalist (c) randall_f –  some rights reserved (CC BY-NC) Ovophis tonkinensis envenoming presenting with severe isolated thrombocytopenia and local necrosis: A case report Abstract Pit viper envenoming commonly causes venom-induced consumption coagulopathy with hypofibrinogenaemia. However, isolated thrombocytopenia without fibrinogen depletion is less recognised and may alter transfusion strategy. We report a confirmed  Ovophis tonkinensis  bite from northern Vietnam presenting with severe isolated thrombocytopenia and local necrosis. The case highlights the importance of serial platelet monitoring, awareness of fibrinogen availability and appropriate timing of antivenom and platelet support in resource-limited tropical settings. Duc ND, Hong Anh LN, Hong Khanh LN, Bach ND. Ovophis tonkinensis envenoming presenting with severe isolated thrombocytopenia and local necrosis: A case report. Tropical Doctor . 2026;0(0). doi: 10.1177/00494755261435153

A further study on the wolf spider genus Hippasa Simon, 1885 from East Asia, with the description of a genus (Araneae: Lycosidae)

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A further study on the wolf spider genus Hippasa Simon, 1885 from East Asia, with the description of a genus (Araneae: Lycosidae)

Abstract

Three new species of Hippasa are described from China and adjacent regions of Thailand and Vietnam: H. modog sp. nov. (♂♀, Xizang, China), H. pulmoniformis sp. nov. (♂♀, Guangxi, China, and Hải Phòng Province, Vietnam), and H. thailandica sp. nov. (♂♀, Suan Phueng, Thailand). A new genus, Pandacosa gen. nov., is established to accommodate Hippasa bifasciata Buchar, 1997 (previously known only from females in Bhutan). The male of Pandacosa bifasciata (Buchar, 1997) comb. nov. is described for the first time based on specimens from Yunnan, China. A distribution map for all treated species is provided.

Wang, L.-Y., Li, S., Marusik, Y.M. & Zhang, Z.-S. (2026) A further study on the wolf spider genus Hippasa Simon, 1885 from East Asia, with the description of a genus (Araneae: Lycosidae). Zootaxa, 5750 (2), 201–216. https://doi.org/10.11646/zootaxa.5750.2.2