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Evening Star, Issue 23832, 12 March 1941, Page 9

A paragraph in these columns last night referring to the many white butterfly caterpillars which were adorning the walls of a house in Mornington contained the suggestion that white butterflies were disposed to lay some of their eggs on the walls of buildings. This has been criticised by a reader who states that the butterfly invariably lays its eggs on cabbages or kindred plants. When the caterpillars feel that their time for transformation from obscene-looking, creeping objects to graceful, fluttering insects they frequently crawl from their original home to some warm spot where they form a cocoon from which they hatch. This was undoubtedly what was happening in the case of the Mornington residence, the warm faces of the house being selected by the caterpillar ns an ideal hatching position.