Labidiosticta is a monotypic genus of damselflies belonging to the family Isostictidae. The single species of this genus, Labidiosticta vallisi, commonly known as a large wiretail, is endemic to eastern Australia, where it inhabits streams and rivers.
Labidiosticta vallisi is a large dragonfly, that is a dull, dark bronze in colour.
Etymology The genus name Labidiosticta is derived from the Greek λαβίδιον (labidion, "small forceps" or "tweezers") and στικτός (stiktos, "spotted" or "marked"). The suffix -sticta is commonly used in names of taxa within the subfamily Isostictinae.
In 1955, F. C. Fraser named the species vallisi, an eponym honouring Eliah Close ("Closie") Vallis (1890-1965), collector of the type specimen.
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