Hoverfly Larva (Syrphidae)

A translucent pale green 11 mm larva with the head end appeaing flat and the other extremity showing what looked like short twin tubular structures ( ? posterior respirtory process). The inner parts of the larva appeared like a tube of blotchy brown and cream. The body of the larva was dorso-ventrally flattened with a thinner skirt like scalloped margin.
Spotted on a gum tree in a regenerated tract along an urban road.