124 



GARDEN FOES. 



slioots and leaves, and cause them to curl. If allowed 



to iiu-reaRe tliey seriously eri])ple the growth of the tree 

 and spoil the fruit. 



liEMEDiEs. — (1) l)ii'('etly :in inlcstation is <liseovered 

 spray the tw^i:: thorougldy with a Soft Soaj) and Qua:-sia 



(No. 14) o]' a Keiosene l^jniulsion (No. \ii). {"2) Cut otf 



and !)ui'n the ])oiids of hadly-iiif('stt><l slioots. (8) Spray 

 in JaiHiary with a line.'-salt ^^as]l (No. U). 



Plum Sa.v^fly (llo])loeani])a t ulvieornis). — Fortunately 

 this ])est is not a veiy eoininoii one, altliongh where it 



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A.<J.«563. 



[Photo: J. G. Blakey. 



A COLONY OF PLUM APHLS. 



The Plum Aphis (Aphis pnini) is a very serious pest in some seasons, 

 attackinj,'- both pliuiis and damsone, nnd causing the leaves to curl. 



has made its ai)})earanee \\\ this country it has done a 

 great deal of harm. The female Sawfly makcts a slit in 

 the calyx of the flower, and deposits one egg therein. In 

 a week to a fortnight the caterpillar hatches, and eats its 

 way into the intcM'ioi- of the young frnit. Here it con- 

 sumes the embryo la'rnel, causing the plum to fall. As 

 soon as the fruit reaches the ground the larva creei^s out 



