151 
July 30, 1910. The Queensland Naturalist. 
interesting manner those of the Hawaain investigator. 
These had not come, in fact, under his notice when making 
them. 
In Queensland it has not been Sfodoptera mauritia 
(Boisd.), Hampson, that has manifested itself in the cater- 
pillar phase of life as a “ Grass Army Worm,” although 
this insect is always of very common occurrence, but 8'po- 
doptera exempta (now Laphygma exempta (Walk.), Hamp- 
son). It was the latter insect that was so exceedingly 
destructive to pasturage in certain parts of the Moreton 
District in February, 1898, and which formed the subject 
of official report, on my part, at the time. This has also 
been the case in New South Wales, as Avill appear from the 
illustrations accompanying W. W. Froggatt’s article, “ The 
Caterpillar Plague,” relating to an occurrence there con- 
temporaneous with the Queensland one : for although he 
names — on the authority of 0. Lower — ^the insect impli- 
cated Phlegetonia carbo, Gn., it is undoubtedly L, exempta 
(Walk,), Hampson, as he has since pointed out (“Australian 
Insects,” p. 266.) 
And it may happen that since both the insects, as is 
stated to occur in Hawaai, and the method of distributing 
the egg- masses in S. mauritia, brought to light by both 
Messrs. Swezey and Jarvis, do not suggest any large congress 
of caterpillars, that it was 8^ (L.) exempta that actually 
figured in the former existence of an Army Caterpillar there. 
It may be of interest to add in conclusion, that in New 
South Wales and Queensland alike, repetition of the cater- 
pillar plague, until at least several succeeding seasons had 
elapsed, was rendered impossible owing to the caterpillar 
being heavily parasitised by the Ichneumon {Rhyssia semi- 
punctata). — H.T. 
NOTE ON THE NESTING HABITS OF THE 
QUEENSLAND CANARY. 
Pseudo gerygone cantator (Weatherill), 
By W. Weatherill. 
The observations briefly recorded below have reference 
to the bird that was described by the writer as a new species 
at a previous meeting of the Club (vide (Queensland Natura- 
list. p. 74), and were made in the gardens of the Queensland 
Museum, where it had selected the dependent leafy branches 
of a weeping fig (Ficus Benjamini) as the site for its nidifica- 
tion. The form and composition of the nest itself 
has already been described (Weatherill.) On the 15th 
September the foundation of the structure w'as placed in 
