Diphlebia hybridoides is a species of Australian damselfly in the family Lestoideidae,[3] commonly known as a giant rockmaster.

[4] It is endemic to north-eastern Queensland, where it inhabits streams in forests.

[5] Diphlebia hybridoides is a large, solid-looking damselfly with striking blue-grey and black colouring.

It sits with its dark-banded wings spread out.

[6]