Griseargiolestes fontanus is a species of Australian damselfly in the family Argiolestidae, commonly known as a springs flatwing. It is endemic to south-eastern Queensland and north-eastern New South Wales, where it inhabits streams near their springs.
Griseargiolestes fontanus is a medium-sized damselfly, black-green metallic in colour with pale markings; adults have only a slight pruinescence. Like other members of the family Argiolestidae, it rests with its wings outspread.
Griseargiolestes fontanus appears similar to Griseargiolestes albescens, though with less pruinescence.
Etymology The genus name Griseargiolestes combines the Latin griseus ("grey" or "pearl-grey") with Argiolestes, the name of a related genus. It refers to the pale pruinescence seen in this group.
The species name fontanus is Latin for "of a spring or fountain", referring to the waterfall near where the species was first recorded.
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See also List of Odonata species of Australia
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