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SCHOOL ENTOMOLOGY 



hibernate among the old stalks and rubbish in the fields. 



In New England there are three generations and in the 



South probably five or six. 



Southern Cabbage Butterfly.* Before the appearance of 



the imported species this was the more common in the South, 



but has now been largely 

 replaced. The male 

 butterfly is very similar 

 to the female of the 

 former species in gen- 

 eral appearance, but the 

 female is much more 

 heavily marked with 

 black. The caterpillar 

 is a greenish-blue color 

 with four longitudinal, 

 yellow stripes and cov- 

 ered with black dots. 

 The habits are very sim- 

 ilar to those of the last 



FIG. 204. The Southern cabbage but- species. 



terfly (Pontia protodice Boisd.). (After Cabbage Looper.^ The 



Cabbage looper Strips the 



foliage in much the 

 same manner as the former species. It is so called on 

 account of its "looping" habit of walking, like that of a 

 measuring-worm, due to the absence of legs on the third 

 and fourth abdominal segments. The larvae are pale to dark 

 green in color, marked with several longitudinal white lines 

 and might readily be mistaken for the imported cabbage 

 worm were it not for their looping gait. Cabbage and cauli- 



* Pontia protodice Boisd. Family Pieridce, see page 98. 



t Autographa brassicce Riley. Family Noctuidce, see page 81. 



a, male; b, female. 



