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Acacia midge galls
Dasineura dielsi
-37.8943, 145.302
Field Notes
Description:
Convoluted clustered clumps growing on the stems of a common acacia looking like dried flowers or fruits. Each about 20mm diameter. Very roughly spherical and from a single 'stem'. They actually look nothing at all like the flowers or the fruits of this plant so there is no obvious mimicry involved here. A single 'gall' snapped off and crumbled very easily into the many separate locules it contained. Each piece seemed to contain a couple of 'chambers' but all seemed empty.
Habitat:
On a common acacia species (Acacia melanoxylon) in a local sports reserve.
Notes:
These are probably the dried version of ones seen here... http://www.projectnoah.org/spottings/8507826 ...caused by a type of midge (Dipteran). <br>
http://www.sciencedirect.com/science/article/pii/S1049964409002709 <br>
family: CECIDOMYIIDAE<br>
subfamily: CECIDOMYIINAE<br>
tribe: Dasineurini<br>
genus: Dasineura <br>
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