182 THE INSECT WORLD. 



green turf of meadows, is the first joy and the first passion of 

 children in the country. 



Fig. 144. Pieris brassicae. 



The caterpillar (Fig. 145) is of a yellowish green, or rather 

 greenish yellow, with three yellow longitudinal stripes separated 

 by little black points, from each of which 

 springs a whitish hair. It lives in groups on 

 the cabbages in gardens, and on many other 

 Cruciferse. It is so voracious that it consumes 

 in a day more than double its own weight, and as 

 it multiplies very quickly, commits great ravages 

 in the vegetable garden. Its pupa (Fig. 145) is 

 of an ashy white, spotted with black and yellow. 



The Pieris rapa, or Small white butterfly, 

 differs but little from the preceding except in 

 size. The caterpillar, which lives on the cab- 

 bage, turnip, mignonette, nasturtium, &c., is 

 green, with three yellow lines. It does not 

 do these much harm. In France it is called 



le ver du cceur (the heart- worm), because it- 

 Fig. 145. Caterpillar . 7 



and chrysalis of penetrates in between leaves pressed closely to- 



Pieris brassiere. 



gether. 



The Pieris napi, the Green-veined white, is very like the two 

 preceding, but the wings, the lower ones especially, have under- 

 neath broad veins or bands of a greenish colour. The Pieris 

 callidice, the wings of which are white spotted with black, is 

 common in the Alps of France, in Savoy and Switzerland, and 



