ON PESTS GENERALLY. 



1087 



The Rose Chafers are best hand-picked, though the process is 

 laborious. Like all bright-coloured insects they are sun-lovers, 

 and numbers may be captured with a net dexterously used ; 

 while others . 

 may be shaken 

 from their 

 food - plants 

 during dull or rainy 

 weather. 



Cockroaches are 

 omnivorous pests, 

 very destructive to 

 indoor fruit and 

 flowers. Shoots and 

 footstalks of Vines 

 and P e ar- tr ees, 

 flowers and roots of 

 orchids, and many 

 other plants are 

 affected. At one time 

 there was only one 

 species which caused serious 

 orientalis. There are, however, 

 foreigners recently introduced. 

 697) is now very 



common 



It 



Fig. 697. — Periplaneta Australasia. 



trouble — Stylophyga (Biafta) 

 four or five other illustrious 

 Periplaneta australasice (Fig. 

 is a rich brown with yellow 



streaks and 

 margin. Then 

 there are P. 

 a7?iericana(F\g. 

 698), a larger insect, 

 butlacking the yellow 

 streaks and border- 

 ing; Phyllodromia 

 gcrmanica (Fig. 699); 

 and Leucophcea siiri- 

 namensis. These are 

 best poisoned by 

 means of phosphorus 

 paste, Magic Paste, 

 or the Ballikinrain 

 preparation. 



Fig. 698. — Periplaneta Americana. 



CoDLiN Moth 

 ( Carpocapsa pomo- 

 nella). — This is one 



of the most injurious of insects, and is remarkable alike for its 

 wide geographical distribution and accommodatmg taste. Though 

 it chiefly affects Apples, yet Pears, several of the stoned fruits, 



