INSECTS AFFECTING THE CABBAGE. 



INJURING THE ROOTS. 



The Cabbage Maggot. 



Anthomyia brassicse. 



The Cabbage Maggot is one of the most vexatious 

 enemies of the gardener. The adult (Fig. 99, c) is 

 a small, two-winged fly, somewhat like the common 



Fig. 09. Cabbage Maggot : a, larva ; b, puparium ; c, fly. 



House-fly in general appearance, which appears in 

 the cabbage field soon after the plants are set out, 

 and deposits its eggs about the stems at the soil sur- 

 face. The little, whitish maggots soon hatch, and 

 work their way downward to the roots, which they 

 attack, feeding upon the outer surface and thus 

 making grooves, or boring into the interior and hol- 

 lowing out cavities. 'They sometimes cause the roots 

 •to thicken up and become malformed, producing an 



