304 



INJURIOUS INSECTS AND FUNGI. 



[March 1895. 



to y^r. French, tlie Government Entomologist of Victoria, 

 another variety, " Perfection Paradise," has been lately raised 

 superior to the Northern Spy and Majetin. In Queensland, 

 there are several other varieties more or less proof against 

 this insect. The reason of this immunity seems to be that the 

 skin or cortex of these varieties by its hardness and close 

 arrangement of tissues is able to resist the action of the aphides. 



Several species of the Coccinellidce and of the Syrphidce are 

 most beneficial in devouring quantities of these destructive 

 aphides. The ScMzoneura lanigera is devoured in immense 

 numbers in Australia by a little yellow and black species of the 

 Coccinellidce, styled Zeis conformis. 



The Goat Moth (Cossus Ligniperda). 



1. Moth. 2. Larva. 3. Pupa, Nat. size. 



Many reports have come to hand during the past three years 

 of injuries caused to trees of various kinds by the caterpillars 

 of the large moth commonly known throughout Great Britain 

 and Ireland as the " Goat Moth," and it appears that from some 

 cause or other the insect has considerably increased of late. 

 Trees of all species in forests, woods, plantations, shrubberies, 

 gardens, streets, and orchards have been attacked, and it is 

 difficult to say what species of tree is most liable to be selected 

 by the moth. It attacks the oak, ash, elm, birch, beech, alder, 



