Midge galls on coastal tea tree

Description:

Looking very much like small Camellia flower buds, these pea-sized growths could easily be mistaken for flower buds on the tea tree (pic 1 -3). They were globose, had scaly bract like outer growth and layers of soft sheaths within. They did not appear to have stalks and were seen on branches between nodes.
Pic 3 shows two small emerging galls in the lower branch. On cutting one of them open, I found at least two very small maggots at the base, not much over 1 mm in length. The inside of the gall was soft with white fibrous layers.

Habitat:

Spotted on Coastal Tea Tree ( Leptospermum laevigatum)
http://www.projectnoah.org/spottings/869...

Notes:

I have noticed these bud-like growths for many years and thought nothing of it until recently, when I realised that they looked odd on this shrub. the normal flower buds are much smaller and have stalks.
From research material I suspected that these galls were induced by a midge Dasineura. My thanks to Tony D for confirming this and providing supporting documentation
www.rbg.vic.gov.au/documents/Muelleria_3...
Order: Diptera Family: Cecidomyiidae