GARDEN INSECTS 269 



from seven to thirteen young. The wingless female is 

 covered with a grayish waxy coat, the body being a grayish- 

 green, marked with eight black spots down either side of the 

 back. The antennae are green with black tips and the eyes, 

 legs, and tail are black. In the South viviparous reproduc- 

 tion continues all winter and in the North many, doubtless, 



FIG. 191. Cabbage aphis (Aphis brassicce, Linn.). (After Herrick 

 and Hungate.) Very greatly enlarged. 



survive the winter on cabbages stored in pits. The latter 

 might readily be destroyed by fumigation. 



Spinach Aphis.* This species often becomes destructive 

 to spinach, celery, lettuce, cabbage and various greenhouse 

 crops. It is the same as the Green Peach Aphis, which 

 see (page 306). 



Pea Aphis f (7). Large green plant-lice often become so 

 abundant on the foliage and pods of garden peas as to kill 

 * Myzus persiccB Sulz. f Macrosiphum pisi Kalt. 



