143 
posed on the leaves, since the former are protected by the 
js in which they live. Fortunately, they are not ordinarily 
/ migratory, and spread very slowly from the trees, and even 
he branches on which they secure a lodgment. This fact is 
mrtance to us, for, by plucking off the galled leaves when 
rst appear and burning them, the mites can be prevented 
■Increasing to an injurious extent. A sudden change of tem- 
•e has, it is thought, resulted favorably to the gardener by 
dug mites. Boisduval tells us that the work of the red spider 
houses may be checked by taking the infested plants into a 
pm. Carrying such plants into the open air has a similar 
fit only being necessary to keep the roofs warm with mulching 
h to enable them to stand the change. Other mites and the 
Of the lace-winged flies prey upon plant mites, and doubtless 
j:l service in reducing their numbers. The following useful 
I ion is taken from “A Manual of Injurious Insects,” by 
r A. Ormerod : 
['king at this point of sulphur being generally an ingredient 
fies or applications for the destruction of Red Spider and other 
and the circumstance that, in its crude state, it does not 
,e with most of the fluids used for this purpose, may account 
Cl pent failures in home-made applications. In order to make 
nine with whatever liquid may be used, the sulphur should 
fad with an alkali, and the following recipe has been recom- 
II: One pound of flour of sulphur and two pounds of fresh 
I )iled together in four gallons of water; or, to save the trouble 
!ng, the sulphuret of lime may be purchased and used thus: 
sulphuret, take four ources; soft soap, two ounces to each 
of the water, which is to be gradually poured on, the mixture 
tirred during the time, when a uniform* fluid will be obtained 
■ sediment, which may be used when cold enough to bear the 
and has been found to destroy insect pests effectually and 
!• This may be used as a syringing, or dip for infested 
• or well rubbed with a brush into the infested bark.” 
