174 



FIRST LESSONS IN ZOOLOGY 



Aphids, ants, and aphis-lions. — On the new shoots and 

 buds of roses, on fruit-trees, or on cultivated plants in the 

 greenhouse or garden may often be found many of the 

 small, soft-bodied, greenish or purplish insects familiarly 



known as plant-lice, green-lly, or aphids (fig. 135). Thc_\' 

 usually occur clustered together in large numbers. Most 

 of the individuals are \\inglcsK and of various sizes, but a 

 icw winged specimens, all <>f one size, \\\\\ probabl)- be 



