166 



STATE BOARD OF AGRICULTURE. 



Cucumber-beetle {Diabroiica vittata). 



The cucumber-bGetle occasionally feeds on the sngar-heet. It is con- 

 trolled by the same methods as those used against the pale, striped flea- 

 beetle. For a description of this insect see Insects Affecting the Cucum- 

 ber. 



Potato Flea-beetle. 



Occasionally, this little pest attacks the beet foliage. For remedies, 

 see Insects atrecting the Potato. 



INSECTS INJURIOUS TO CABBAGE. 



AFFECTING THE ROOTS. 

 Cabbage Root-maggot (Pegomya irassicae). 



Fig. 13. — Cabbage maggot. Maggot in root, enlarged, after Prof. M. V. Slingerland. 



Perhaps the most unsatisfactory insects of the garden are the root- 

 maggots, and the one on cabbage is no exception to the general rule. 

 The eggs of this fly are laid in crevices in the soil near the root. The 

 fly resembles, more or less, the house-fl}- except in point of size, being 

 about one fifth of an inch long. The maggot that hatches from the 

 fly, bores into the root of the young cabbage or cauliflower plant, and 



