155 



Imported Cuebant BonER (.'Efieriu iiiiiijifonnin) . 



(Fig. oi.) 



(1) grub: (2) pupa. Ijolii pnlarged; (3) perfect insect, natural size. 



Ill the lu.iurious stage (if its existeiiee tliis iusect Is a small whitisli 

 larva that burrows up and down thi' stems of currant and gooseberry bushes, 

 stunting the growth and rendering them unfruitful. It hatches from eggs 

 deposited singl.v on the young stems near the liuds. early in summer, b.v a 

 clear-winged, wasp-like moth, with a bluish-black body and three yellow 

 oands across the abdomen. Tlie wings are transparent except at the borders. 

 where they are bro.wuish-black. The youug larva? gnaw through the stem 

 to the centre, where they feed on the pith all summer, making a burrow 

 several inches In length. When full-grown the h\rv;e eat tlirough the stem- 

 wall almost to the outside and then change to chr.vsalides. When these are 

 ready to transform, they burst through and the moths crawl out. So far 

 only one brood has been noticed in the year. 



All dead and weak shoots of infested bushes should be cut off and burnt, 

 .iust as soon as leafing out shows where the attack i.s located, and every wilted 

 shoot seen at any time should be cut off below the point affected, and burnt. 

 Another preventive measure which has been found effective is to sprinkle 

 the bushes and the ground ad.iaccnt with a mixture of air-slaked lime and 



