INSECT SUCKERS AND BITERS. 
211 
We see at once under his wings that he has a 
ringed body like the prawn, but his head is separate 
from his shoulders, and carries only one pair of 
antennae, while the prawn has two. His mouth, with 
its two little palpi sticking out, is strong and power- 
ful, and is made of six parts — an upper and lower 
lip, with a pair of biting jaws within them which 
Fig. 72. 
Large Green Grasshopper.* 
g, Very young grasshopper ; g', the same older struggling out of its 
skin. G, Full-grown female grasshopper laying her eggs in the earth, 
0, Her ovipositor or egg- laying sheath ; s, one of the spiracles or 
breathing-holes. 
move to and fro sideways to hold and cat their food, 
and within these again are a pair of chewing jaws to 
masticate it. These six parts, however much they 
may be altered, we shall find in all six-legged insects, 
and whether for piercing, sucking, or gnawing they 
are powerful implements. 
* Grylius viridissimus* 
