INSECTS AND OTHER ENEMIES. 79 



be a wrong conclusion to di-aw, but although gentlemen and 

 gardeners do sometimes exhibit for the honour only, such 

 cannot always be the case. Indeed, the cost of obtaining a 

 proper conveyance, the packing, the transit, and the time 

 occupied at the exhibitions, represents a considerable sum of 

 money, and very few persons can be induced to incur the 

 expenditure if the prize to be competed for does not at least 

 cover the expense — neither is it reasonable of any Society to 

 expect that they should do so. 



INSECTS AND OTHER ENEMIES. 



|RCHIDS have always been liable to bo injured by 

 many sorts of Insects, such as Red Spider, Thrips, 

 Mealy Bug, White and Brown Scale, Cockroaches, 

 and Ants ; and also by such molluscs as Woodlice, and a 

 small kind of Snail {Helix alliaria) ; but they have some 

 friends of the animal kingdom, and amongst them we would 

 mention Green Frogs. We have found Green Frogs very 

 useful in Orchid houses, and we believe many growers now 

 employ them. They are very agile in their movements, and 

 it is surprising to see the rapidity with which they move 

 from plant to plant without causing the slightest injury. 

 The quantity of insects they eat is astonishing, especially 

 young Cockroaches and Woodlice, which are generally plentiful 

 wherever Orchids are grown. 



The Insects injurious to Orchids are, unfortunately, be- 

 coming more numerous than they formerly were. Then we had 

 only those already mentioned to contend with. Now however 

 we hear of new Insects, coming in with new Orchids. This 

 is not at all sup rising, as Orchids are being brought home 

 from fresh localities and naturally bring the different species 



