16 SEPTEMBER 1938, Page 21

LADYBIRDS

[To the Editor of THE SPECTATOR]

Sist,—In your August Isoth issue, under the nthric "Heather- Foes," Sir W. Beach Thomas asks : " Why should not ladybirds be bred artificially ? "

They are bred artificially by the Agricultural Department in Kenya and by it advertised for sale at so much per thousand. This because they are efficient enemies of a certain very efficient