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Eucalyptus leaf galls

Description:

Clusters of leaf galls, each approximately10mm dia. bringing several leaves together.

Habitat:

Small suburban eucalyptus unknown species.

Notes:

It's curious how the leaves might come together considering each gall should have started as a 'growth' on a single leaf. The parent insect might have pulled the leaves then ?? Cecidomyiidae? Possible Fergusonina fly galls?


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7 Comments

MartinL
MartinL 6 years ago

When I cut the chambers open, the flies had already pupated and were no longer feeding so it was easy to grow them out to adults (in a small jar.) It took about a week. Looking forward to your results.

Mark Ridgway
Mark Ridgway 6 years ago

Possibly like Fergusonina fly gall spottings... martinl and Leuba

Mark Ridgway
Mark Ridgway 6 years ago

Wait until you see the next ones Alice :)

alicelongmartin
alicelongmartin 6 years ago

Very interesting, most of ours are a dull color.

Mark Ridgway
Mark Ridgway 6 years ago

Thanks Arlanda and Martin. I thought about your suggestion just after I posted. It makes most sense. So many different galls around at the moment. I hope we can sort some more of them out this season.

MartinL
MartinL 6 years ago

I think the eggs were laid into the leaf bud when it was tiny and the galls grew as the leaves grew. They are quite similar to (but larger than) the parasitic fly gall that I saw last season. http://www.projectnoah.org/spottings/804...

arlanda
arlanda 6 years ago

Very nice Argybee

Mark Ridgway
Spotted by
Mark Ridgway

Victoria, Australia

Lat: -37.90, Long: 145.31

Spotted on Sep 5, 2012
Submitted on Sep 5, 2012

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