National Register of Big Trees : Tree Register :

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TREE DETAILS

Gum - Scribbly : Eucalyptus racemosa
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Additional Information

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Common Name :
Gum - Scribbly
Scientific Name :
Eucalyptus racemosa
Circumference :
3.29 metres (129 inches)
Height :
30.00 metres (98 feet)
Crown :

18.00 metres (59 feet)

Points :

242

State :
NSWC
Town :
Johns River


Location :
Wharf Road
Coordinates :

31 43 34.4 S 152 42 45.4 E
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Nominator :
Steve Clewes
Year Measured :
2010


Type :
Remnant

Comments :

An Australian eucalypt that is named after the 'scribbles' on its bark. These zigzag tracks are tunnels made by the larvae of the Scribbly Gum Moth (Ogmograptis scribula) and follow the insect's life cycle. Eggs are laid between layers of old and new bark. The larvae burrow into the new bark and, as the old bark falls away, the trails are revealed. The diameters of the tunnels increase as the larvae grow, and the ends of the tracks are where the larvae stopped to pupate.

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