96 
THE GARDENERS’ CHRONICLE. 
i AUGUST 16, 
Apple Aphides.—The Board of екпш 
has just issued a new leaflet (No. 330) on “ Apple 
hides," being an abri in of a 
a eua ald, published in the 
Journal of the Board of Agriculture for April, 
e so-calle Aphis” or “Blue Bug" 
Blight, which attacks Apples, and to nino 
extent Pears, is in some years one of the worst 
pests fruit growers and gardeners have to con- 
tend with in this country. Of the eight species 
of aphides re as attacking the Apple i 
Great Britain = four are of general import- 
ce. These (1) the Blue Bug or Rosy 
Apple Aphis; 2) һе Green Apple Aphis; (3) the 
the Woolly Aphis, which usually fee the 
wi and roots, ough in very bad acks 
it may spreai he leaves and fruit By 
iar the greatest amount of harm is done by 
e Rosy Aphis, in some y r- 
tain localiti 
protec 
raying under “hese conditionis is to. all 
d waste of 
the eggs are about to hatch. The normal time 
to apply thi. is when the leaf-buds are 
swelling and about burst, but many growers 
continue the treatment wi ood results to 
ithin a week or so of the opening of the blos- 
ls ect, of the is to prevent some 
the eggs from hatching and to- kill newly- 
that they are unable to establish t lves 
In lime ing, the whole ust be covered. 
) By g a contact in x fn шо nico- 
tine and Hie. or pyridene and soap) d g the 
iod 
n the openi ing of € leaf- uds d 
the i att ‘ot the bloo: es e ther 
пиа of the leaves, may es ral 
pplied soon after Ph pelas jail fallen from 
blo: contact insecticides 
the applicatjon rough, so that 
should give a та arse and powerful spray. 
(8) By using insecticide, such as 
paraffin emulsion, from the middle to the end 
of October, when the leaves are falling he 
aphides are then laying the winter eg can 
be killed b: ugh application of the 
cheapest a wash available. At th eriod 
there is no dang be anti * burn- 
ing"' the in ith a page perata emulsior 
phras fficinalis.—In t description (in 
British. Plo ora) of the poiar рыз, Bentham 
and Hi with their 
to be las: пай; er 
others nic pee ota hybrids. 
телке sulphurem the Ma 
Gardens.—In the ont of the 
postin and parks in the 
ropagation ar? being m 
ascertain whether the Ree wili prove Зас? in 
the Botanic Gardens. 
Museums Aarbok, 1916.17. 
+ б. О. No. 1253, June, 1919. 
Government of Madras 
Revenue (Special) Department. 
THE BUFF TIP MOTH, PYGAERA 
(PHALERA) BUCEPHALA. 
The caterpillar ИП this moth is usually f 
more. 
y particular as to 
its choice of food, nd 
and is ne sometimes fou 
Fic. 45.—THE BUFF TIP MOTH (PYGAERA BUCEFHALA), 
SHOWING THE PERFECT INSECT, EGGS, CATERPILLAR AND PUPA. 
e Ros The whitish eggs are laid in 
rins on the under 
elected. 
side of leaves of the host 
plant s g has a central dark 
Е t. oung ун аети have the habit of 
feeding in colo: during Aug and Sep- 
ember, and it is an amusing sight to watch 
the methoaicat way in whien, with their 
all pointing in cod paces they will e 
eaf after leaf. r le 
as .a 
th 
ig M ie ion 
all migrate н another, 
same oper. ratio 
It is гнет РЕВ but perhaps rather hop 
and ther 
p V» 
to speculate as to i ull how Mie is di fio alt 
movements are carried о 
what тзв сан 
ing in 
that ten x dig they 
solid bunch on one of th 
