

The Pupe. 

















^ The pupe into which the grubs turn are also found in the duet E 
‘they are white, about the length of the perfect insect, and of the ordinary Ee 

pe. 
" Thi larve are soon hatched, and feed for a month and a half. The. 
. perfect beetle appears after a fortnight or three weeks, aed = riod of 
development from the egg to the perfect insect is about s Wis " (26) 
"These statements are obviously irreconcileable; slewing one week for. 
the hatching of qs egg, the period of development would seem to be 
about ten wee 
. When the pectic beetles emerge from the pupal eis ur are alent 
white in colour and slowly become brown; they pas eig: rable 
ime burrowing up and down from the c onfused mass “of pilots 
neighbourhood of the nodes, which in canes sent to Kogai are full 
of rotting fungoid growth. These burrows run along the long axis of the _ 
ne between t 
more than one beetle has passed along them; the branches given o 
are sometimes oblique, but more often return almost immediately to the - 
direction of the axis. Occasionall allery runs almost 
i $ 

exit and not entrance oles. “The Holes hagi in he cane are virer, 
-and correspond in size to the transverse section of the beetle. The 
about X of an ineh (*6 mm.) in diameter. The internal burrows have 
i ich i 









"The maiae oP broido-- in ei, ‘year: dass not ye festi : 
Those hatched when the canes are unripe are no doubt developed 
or tree stumps, snm, anes and moist megass they do not bree 
— plos. «e 



1. a set jas pies: the cane sus ae eae 
2. The input. um. between the attack and the operation. v 
ing. 
a elt Tha cépebllity of the larva to bore- 
4. The time aa g se eect of the individual, and its. dene of. e 
in ms diri 'and of t 



individual i dud canes (metam ono). 
