CURRANT AND GOOSEBERRY PESTS. 



101 



and thorax, yellowisli legs, black feet, and a yellowish 

 body. The female lays her eggs by the sides of the ribs 

 iniderneath the leaves, and the larvoe hatch in about eight 

 days. At fii"st they are white with a few black spots and 

 a black head. Later their colour changes to green, and 

 finally light green with a yellow head. In about twenty 

 days the larvae enter the pupa? stage. Usuallj^ there are 



GOOSEBBRRT AND CURRANT SAWFLY (NEMATIS RIBESII). 



AlK>ve is the S'lawfly wifh. line<3 below to indicate its size. Below are the 

 larva, feeding" en a leaf, with a cocoon at the side. 



from two to three broods of sawflies in a season. The 

 larvae feed on the soft tissues of the leaves, and generally 

 leave nothing but the mid-ribs. They are very voracious, 

 and if allowed to multiply unchecked will soon destroy a 

 vast amount of foliage. 



Kemedies. — (1) Directly the caterpillars are discovered 

 spray the foliage with Formula No. 16. One or two spray- 



