ORDER HEMIPTERA. 



Including the Land Bugs, Water Bugs, Plant Bugs, Skaters, 

 Lantern Flies, Frog Hoppers, Aphides, and their Allies. 



The He77ipitera are Haustellate insects ; they have four wings, 

 which are membranous and naked. Their metamorphosis is in- 



Fig. 78.-Zelus Quadrispinnsus. 



complete. The order is a very extensive one. The insects, 

 however, are mostly found in the tropical parts of the world, from 



