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Free access here: https://www.biotaxa.org/azj/article/view/85186
A review of the world fauna of the H. meteorica group, which, according to the present publication, consists of six valid species, is offered. It is proposed that the group originated from SE Asia and recently several of its species have been widely spread along with cattle breeding. Four new synonymies are offered: Hydrotaea affinis Karl, 1935 = H. zao Shinonaga & Kano, 1971, syn.nov. = H. affinoides Feng & Feng, 1997, syn.nov. and Hydrotaea nigribasis Stein, 1913 = H. australis Malloch, 1923, syn. nov. = H. dukouensis Ni, 1982, syn. nov. Considering these cases, the author has formulated his approaches to the synonymy in general. Keys to males and females of the H. meteorica group are given.
