76 
The Queensland Naturalist. 
April, 1926 
Biimbns are iioj indigenous to our area, but (dumps 
luiv(‘ been planted, a])proxhnately a mile apart at ('barb 
ton. Hirribi. Xeranp:, Talawalla, Lionel Brown’s, B>enoah, 
Bnndall (two clumps — one at the north, the other at the 
soutli end of tfie estate; tliese are “The Bambus^’ of river- 
me7i) and South]>ort. and none have ever been known to 
suffer from borers, thoun-li the oldest (15ii‘ribi) are 70 
and the younj^est, TalaAvalla, about 20 years old. This 
boi*er cons(‘(juent]y was eitlier not pr(*sent' or not rampant. 
Tt was a nuisanee at Corinda, near Brisbane, where in 
thre(' years it destroyed an elaborate idant siielter I had 
erected at the cost of mueli labour and sweat sliedding. 
I heard tliem ^nawing- as 1 set up tlie u])ri‘>'hts. but dis- 
credited theii- })ersistenee and i)owers, yet I'z of the 
(thaldees is in decorative repair compai'ed' with my 
•collapsed Oaladium house. E. J. Cooper saw never a 
trace of ojie all the time he was chairman of our little 
com])any, nor (thoug’h a keen observei-) did he remember 
seeinu* the species before- Now Eddo’s furniture stood 
stoutly four square to all the winds that blew for over a 
year, so we may take it this borer Avas not ])resent in the 
h(nise or in the nei^hbouihood. Of coiirse borers are 
common (moup:h, indeed too common, in our trees, especi- 
ally tlie Oasxiarinas, but the local timber is not ravaged 
by tliem ; floors, roofs, beams, , etc., are in good condition 
after nearly .10 years: these are cbietly wood from out- 
side, fui'nitiu*e, school desks, etc'., do, how(‘V(‘r suffer, 
and often badly and ciniekly. 
On the 27t]i October. 1923, T ('ante doAvn from Tam- 
bourine ^Mountain, bringing with me a fine female cycad 
co7ie. ]\laei‘ozanna Denisonii, and on taking it out of the 
bag on reaching home, “weevils’’ Avere obser\^ed. but - 
neithei* of 11 s bothered to examine them. 
Noav owing to our richness in |)hle]>o1oniising aidhro- 
pods like (’nlex damnabilis and Buiex infernalis. 1 had 
at vast expense, ])urchased a pound of Pyreihrnm poAvder, 
rejAuted to be lethal to said invert (‘brates, but proving 
about as i)oisonons as Benger’s P^^ood. Still I occasiunally 
burnt some, as it gave a cathedral-like incense flaA'onr 
to my room. It Avas in a paper bag on the bedside table, 
near the bambn-backed chair. About six Aveeks ago T 
noticed a layer of yelloAA' impali)abh‘ dust under the chair 
and inistoolc it for a Pyrethi'um calasiroplie : it Avas beetle 
(Inst. It is accumulating still foi* scienlific research, but 
ah, not for long: doom is imminent! But T sought in 
