Rhadinosticta banksi is an Australian species of damselfly in the family Isostictidae,[3] commonly known as the northern wiretail.

[4] It prefers fresh water streams and pools.

The adult is a small to medium-sized damselfly with a length of 35 to 40mm, with the hindwing 20 to 25mm.

They are dull in colour with a bluish thorax and may have pruinescence toward the end of the abdomen.

[4] The taxon has been assessed in the IUCN Red List as least concern.