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Volcano galls

Apiomorpha strombylosa

Description:

Like miniature chimney stacks, about 3 or 4mm tall with apical openings.

Habitat:

Eucalyptus leaf

Notes:

Probably that of a male gall wasp/insect. The ID needs confirmation. It does resemble the spotting by Christiane http://www.projectnoah.org/spottings/682... and was identified by I.cook as Volcano Galls. Any assistance with this would be greatly appreciated.

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3 Comments

AdamBT
AdamBT 11 years ago

Hi Leuba, thanks for this info - I'll have to a bit more research now too!

Cheers,

Adam

Leuba Ridgway
Leuba Ridgway 11 years ago

Adam, thanks for looking at this. The shape of the galls are similar but the architects of these galls might not be the same. Gall builders are very plant-specific because their biology is so closely linked to the plant that they live on. I understand that small tube-shaped galls on eucalyptus are usually caused by a male insect but I am unsure as to what the species might be (i.e wasp, fly or cocccid)
The galls on your plant look fresh - these were dried-up.
I only know of one fungal gall - the rust fungus, which produces many-lobed rust-coloured nodules on acacia trees. I am hoping to learn more!

AdamBT
AdamBT 11 years ago

Hi Leuba,

Do you think these might be a similar to your spotting: http://www.projectnoah.org/spottings/148...

Adam

Leuba Ridgway
Spotted by
Leuba Ridgway

Victoria, Australia

Spotted on Nov 17, 2012
Submitted on Nov 23, 2012

Related Spottings

Two-tailed Eucalypt Gaul Urn gall Urn gall Apiomorpha conica

Nearby Spottings

The Turkey Tail Spotting Hairy Cicada Unknown fungus

Reference

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