VEGETABLE INSECTS. 



28 



o 



These caterpillars feed ravenously for about two weeks and a 

 half, when they seek a sheltered spot in which to pupate. In a short 

 time they transform into large, handsome, white butterflies, with 

 dark-brown markings on the margins of the wings. 



This pest does not do so much damage to the cabbage as it does 



Fig. :^7.— Tlie Southern White Cabbage Butterfly. (FoiiUa 

 Moniisie). Eggs and larva. 



to some of tlie otlier n-ucitVi'oiis planls. !t may l)c easily controlled 

 ■with the arsenate-of-lead spray recommeixhHl i'oi- the i)receding 

 species. 



THE CABBAGE AiMiis {Aphis l>rassic(e) . 



This apliid or plant ]ous<\ although gencrall}^ controlied by its 



