94 



SILKWORMS. 



the puss-moth, and even to open its jaws as if to bite, that when 

 the Carabus approached the larva, it presented its face as if to 

 attack, and was then pinned by the Carabus, who, when he got 

 his jaws in, would soon suck the juices which exude very freely." 

 Besides these beetles, he found that birds, such as tomtits, thrushes, 

 robins, rooks, sparrows, magpies, starlings, and jackdaws, did a 



Fig. 34. Eggs, larvae, and cocoons of Ailanthus Moth. 



good deal of damage, so that altogether ailanthiculture in the open 

 air is rather an anxious business. Fig. 34 shows the eggs, cater- 

 pillars, and cocoons of the Ailanthus Moth. One cocoon is 

 enclosed in a leaf of Ailanthus, on which tree the larvae are feeding, 

 and the other is unenclosed. 



In the breeding of such insects as this, it must be remembered 

 that, as cripples seldom pair, and are therefore useless for pro- 

 viding eggs, every facility should be afforded to the moths as they 

 issue from the cocoons, for the proper drying and expanding of 



