318 



YARD AND GARDEN 



Also use fir-tree oil which is safer in the hands 

 of the amateur. 



Oyster-shvll Scale — Resembles oyster shell 

 in shape. Attacks willows, lihics, ash, apples, 

 etc. Same remedies as tho^e prescribed for 

 San Jose scale. 



Red-spider — Small insects difficult to detect 



San Jose Seale 



Oyster Shell Scale 



before serious damage has been done and 

 foliage begins to blanch. Spray with clear 

 water applied with some force, or sulphur. 

 Kerosene emulsion is also effective. The mites 

 do not live in a damp atmosphere. 



Rose Clmfer or Bug — Brown beetle, also 

 known as rose-beetle, eating flowers, and ap- 



