202 LIFE AND HER CHILDREN. 
living upon the sweet juices. We cannot do better 
than begin our history of the six-legged insects 
by these little plant-suckers which we all know so 
well, calling them " blight insects " when we find 
them covering our rose-trees, or our geraniums in 
the greenhouses, or our apple-trees in the garden. 
Fig. 69. 
The Rose-Aphides, or plant-lice. 
A, The wingless aphis, like those on the bud but enlarged. /, Honey 
tubes. B, The winged aphis, enlarged. B', Same, natural size. 
g, Blind grub feeding on the aphides. 
You may easily find them huddled together on a 
stem or bud, raised on their six slim legs, with their 
heads close down to the plant, and looking sleepily 
out of their two little brown eyes. Yet they are by 
