Differential Hematotoxic Activity of Southeast Asian Pit Viper Venoms: The Cross-Neutralizing Effect of Available Antivenoms

Posted by
  Image Credit: Creative Commons (some rights reserved) CC BY-NC Photo 111998430, (c) Nicholas Hess Differential Hematotoxic Activity of Southeast Asian Pit Viper Venoms: The Cross-Neutralizing Effect of Available Antivenoms Abstract Background/Objectives : Pit vipers (subfamily Crotalinae) are responsible for a large proportion of snakebite envenoming cases in Southeast Asia. Envenomation by these snakes commonly causes hematotoxic effects, including platelet dysfunction and coagulation disturbances. Although antivenom remains the mainstay of treatment, species-specific antivenoms are not available for several regional pit viper species. This study evaluated the hematotoxic activities of selected Southeast Asian pit viper venoms and the cross-neutralizing capacity of commercially available antivenoms.  Methods : Venoms from five medically important pit viper species— Calloselasma rhodostoma ,  Trimeresurus albolabris ,  T. hageni ,  T. purpureomaculatus , ...

Two new species and a new synonym of Oedignatha Thorell, 1881 from China (Araneae: Liocranidae)

Posted by

 


Two new species and a new synonym of Oedignatha Thorell, 1881 from China (Araneae: Liocranidae)

Abstract

Two new species of Oedignatha Thorell, 1881 are described from China: O. tongbiguan sp. nov. (♂♀) from Yunnan Province and O. zham sp. nov. (♂♀) from Xizang Autonomous Region. Images and detailed descriptions of the habitus and copulatory organs of both species are provided. Moreover, Koppe ninger Chu & Li, 2023 is proposed as a junior synonym of Oedignatha dian Lu & Li, 2023.

Zhang, H., Mu, Y. & Zhang, F. (2025) Two new species and a new synonym of Oedignatha Thorell, 1881 from China (Araneae: Liocranidae). Zootaxa, 5693 (2), 272–282. https://doi.org/10.11646/zootaxa.5693.2.8