Dot Moth. 



5*3 



Another green aphis, Hyalopterus pruui (Fabr.), also infests 

 plums, swarming under the leaves and producing white hoary 

 masses, which, however, do not seem to curl up the leaves in 

 the characteristic way done by Aphis pruni. Apterous viviparous 

 female of this aphis is flat, pale green, with dark green mottlings* 

 a dark dorsal stripe, and dusted with white meal ; the winged 

 viviparous female is a bright pale yellowish-green, with red eyes 

 and dark green thoracic lobes ; cornicles green and very small ; 

 legs pale green, and wings with yellow base and stigma. The 

 oviparous female lays her eggs near a leaf-bud, the egg being 

 covered with a mealy coat. It may frequently be found doing 

 damage, but not nearly to the same extent as the former 

 species. 



Methods of Prevention. 

 This pest can easily be kept in hand if attacked in its early 

 stages. When once the females commence that remarkable 

 and rapid production of living young and the leaves begin to 

 curl up, they are difficult to destroy. Not only do the curled 

 leaves protect them, but they are also covered with mealy 

 powder, which helps to keep off the insecticide. Washing- 

 should begin as soon as the leaves unfold, and must be 

 continued every now and then, at intervals, say, of a week. 

 Some good will be done by spraying even when the leaves 

 are curled up, but not much ; to be successful the lice must be 

 killed before: they enter the breeding stage. Quassia and soft 

 soap or paraffin emulsion may be used for this purpose. 



The Dot Moth 

 (Mamestra persieariae. Linn.) 



Dot moth caterpillars are frequently recorded as pests. Their 

 food plants suffer much : as a rule garden flowers, such as 

 dahlias, marguerites, marigolds, pansies, geums, &c, suffer most ; 

 but vegetables, fruit trees and bushes are also eaten by these 

 larvae. They have also been recorded on lilac, poplar, clematis, 

 ivy, &c. They are ravenous feeders, and strip the plants in 

 a very short time. 



The moth appears in June and July. It varies from an inch 



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