INSECTS. 



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occasionally found on the elm, maple, and alder. The 

 female scales are of a dull crimson colour, and the larvae 

 and ova are of a similar colour. Like other scale insects, 

 the adult females attach themselves permanently to the 

 bark, and during their short life suck out the sap from the 

 tree. The newly-hatched larvae crawl about the bark until 

 they have discovered a suitable feeding place, then settle 

 down permanently in that position. There are winged 

 and wingless males, and these may be seen actively mov- 



[Photo: H. A. .-iDith. 

 NAIL GALL OX LIME LEAF. 

 The tiny galls are cn-useJ hy a midge named Eriophyei? tilia'. Fairly common 

 on lime treee. 



ing about early in July. When a tree is badly infested 

 with this pest it soon becomes unhealthy and stunted in 

 growth. 



Bemedies. — See Beech Scale for these. 



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