FERN ENEMIES 105 



if old fronds are left they may harbour insects, which 

 will soon be active when new growth starts in the spring. 

 Cockroaches and woodlice may prove destructive, but 

 there are now preparations which effectively eradicate 

 these pests. 



With a clean start, and ordinary attention, Ferns are 

 rarely troubled with insect pests, but the vermin once 

 introduced, and allowed to get established, it will give a 

 lot of trouble before they can be exterminated. 



