HOUSE AND GARDEN 
May, 1913 
419 
Complete Directions for Spraying 
(Continued from page 391) 
contact, and in a few hours after you 
apply it will have evaporated and left no 
trace of itself except in the presence of 
dead insects. Kerosene emulsion may also 
be used, but is less convenient and agree¬ 
able. Plain hot water, or soap-suds, not 
boiling, but so hot that you cannot hold 
your hand in it, may be used as a dip. In 
this case the plants should be held in such 
a manner that there is no possibility of its 
slipping inadvertently from the pot; im¬ 
merse completely but quickly and imme¬ 
diately withdraw. This will usually cook 
the bugs without injuring the plant, but 
when you attempt it for the first time, try 
it on two or three first, to be sure that you 
have got conditions just right. 
Here is a more detailed description of 
the insects and diseases you are likely to 
encounter in the house or in the flower 
garden. 
Aphids — The aphis, or green plant louse, 
is the most common and troublesome. It 
is soft-bodied, active, and under proper 
conditions has the ability to increase with 
a rapidity which is absolutely inconceiv¬ 
able. These conditions are, crowded 
plants, shade, poor ventilation and dry¬ 
ness. Where such conditions exist they 
should be changed at once, as otherwise 
you will simply be breeding aphids for the 
fun of coating them with spray. 
Mealy-bug — The mealy-bug has a spe¬ 
cial liking for coleus, salvias, fuchias and 
other soft-wooded plants. It is easily rec¬ 
ognizable, but not at all dangerous-look¬ 
ing, being hidden beneath what appears to 
be a very small tuft of cotton. If you no¬ 
tice it when the first few appear, it may be 
got rid of by touching each individual with 
a drop of kerosene or alcohol at the end of 
a match-stick. 
Scales — The brown scale is protected by 
a “shell'’ one-fourth inch or so in diam¬ 
eter, slightly convex, and does not easily 
succumb; nor is it readily recognizable, as 
it is usually about the color of the stem to 
which it attaches itself, and does not move 
about. The white “scale” is very much 
smaller, but multiplies much more rapidly, 
quickly forming dense colonies. Both are 
very quiet and industrious, apparently 
doing no harm, but in reality sucking out 
the life juices of the plant to an injurious 
extent. Spraying, to be effective, must be 
done with a solution stronger than that 
used for aphids or mealy-bug. Dipping, 
where it is possible, is surer. Where only 
a few are to be got rid of they may be 
painted with kerosene emulsion or whale- 
oil soap. 
Beetles — The rose-beetle and aster-bee¬ 
tle are two of the hardest garden pests to 
control that there are. Some seasons they 
give very little trouble indeed, and in 
others destroy practically all the flowers, 
or even the entire foliage of these two 
plants. It is best to sacrifice some blos¬ 
soms, and the looks of the plants tempo¬ 
rarily, and spray with a very strong solu¬ 
tion of arsenate of lead. Where they are 
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