Eucalyptus Weevil Egg Pod (Gonipterus scutellatus) | Project Noah

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Photo by Leuba Ridgway

Published on Project Noah

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Field Notes

Description:

These 4 mm long crusty cases were spotted on eucalyptus leaves. The upper surface was rounded and the part closest to the leaf was flat. There were many tracts, made possibly by a larval form of an insect, leading to these crusty structures.

Habitat:

Spotted on Manna Gum ( Eucalyptus viminalis) in a reserve.

Notes:

My thanks to martinl for providing an ID for this. It's amazingly small in relation to the weevil. Each pod is said to contain about 3 to 16 eggs arranged in vertical layers. <br>
Spotting of an adult eucalyptus weevil
http://www.projectnoah.org/spottings/9203230 <br>
Spotting of a larva
http://www.projectnoah.org/spottings/16173179

Reference Links:

http://www.pir.sa.gov.au/__data/assets/pdf_file/0017/234044/Number_7_Eucalyptus…

Species ID Suggestions

Eucalyptus weevil - egg pod

Gonipterus sp.

1

Comments (3)

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Its nice to have a mystery resolved.

Martin, Thanks so very much . I would have never guessed. I too understood that they pupate in the ground. This is just wonderful ! Thanks again.

I can see tracks of eucalyptus weevil larvae grazing on these leaves. I considered this might be a pupae of this weevil although they should pupate in the ground. The following link refers to weevils laying egg cases on leaves and this might be what you have spotted. http://www.pir.sa.gov.au/forestry/forest_health/forest_health_fact_sheets/factSheets/eucalyptus_weevil

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