THE AUSTRALIAN, NATURALIST. 109 
Top: Bole of tree, pare wanes 
Bottom: Section of bole. 
I first noticed the: up- 
per branches showing the 
usual signs of the borers’ 
insidious work. The lar- 
vae were working too high 
up for anything to be 
done. Eventually _.they 
worked down until at last 
three parts of the cireum- 
ference of the bole’ was 
a series of wide cracks 
filled with sawdust. So 
. beautifully had the larvae 
done: their work _ that it 
only required a little pres- 
sure and the: outer ‘bark 
“came off clean, revealing 
‘the inner “bark as you “see 
it in the photograph. 
This, too, was partly 
eaten. It was riddled with 
oval <holes, and here’ and 
‘there dull red larvae were 
found. Some were full 
length in a little rut of 
sawdust waiting for a new 
spurt of energy to fulfil 
‘this stage of their life- 
history; others just had a 
dark head poking out of 
‘their holes. These lar- 
" vae “Swere* ‘in - various 
“stages of - growth, somie 
were small and of a paler color, while others were nearing ma- 
turity. They were the larvae ofi the Goat Moth, Culama caligi- 
nosa Which belongs to the family Cossidae. They pocuy on HE 
sap in vie tree; sasha ma downward Rea, 
SS Se Sane. eS ee ee 
SS LP ee eee ee eo 
