HOP APHIS. 
43 
done, and when spring came the Gooseberry leaves were again riddled 
by the caterpillars. 
Dressings of Gas-lime and Lime. 
“ I dress over all my Gooseberry-ground with gas-lime in early 
spring before forking over the soil, and have not seen one of these 
caterpillars for three years.”—T. Boyd. 
‘ * I am now satisfied that I have benefited by the application of 
gas-lime between my bushes. Grubs there certainly have been, but, 
whilst they have almost stripped other bushes of their leaves, those 
on the dressed ground are little the worse for the attack.” — T. 
H. Hart. 
“ Currants and Gooseberries in the open garden have kept free 
from attack. I think this was owing to the trees being dressed with 
lime early in the spring. Currant trees on the wall not dressed with 
lime were attacked.”—A. -Ward. 
hop. 
Hop Aphis, and Damson-Hop Aphis. Aphis ( Phorodon ) Humuli, 
Schrank ; and Aphis ( Phorodon ) Humuli, var. Malaheb, Fonsc. 
- Aphis (Phorodon) Humuli. 
Winged and wingless Hop Aphis ; nat. size and mag. 
During the past season I have been in receipt of specimens and 
observations relative to Hop Aphis attack from the latter part of March 
to about the end of August, and, though I should be far from express¬ 
ing positive certainty on a subject like this which has been one of 
doubt and difficulty for at least a hundred years, yet, after careful 
study and also comparison with the published views of entomologists 
who have attended to this special attack in England, Germany, and 
the United States of America, it appears to me that there is good 
reason for believing the course of attack to be as follows :— 
1st. That the first attack of Aphis to the Hop begins in spring 
