36 HOW INSECTS ARE CLASSIFIED 
Notodontidx. Larve large and usually feed exposed. Examples 
are the yellow-necked and the red-humped caterpillars. 
Geometride. Parents of the ‘‘ measuring-worms.” 
Noctuide. An immense family. The moths fly at night. The 
larve include many of our worst insect pests, such as the army worm, 
cotton boll-worm, and cutworms. 
Lymantriidz, the tussock moths. 
Sphingide, the hawk moths. Large insects. Larve ccnspicuous. 
Example, the tomato worm. 
Saturniide, the silkworm moths. Larve large and armed with 
tubercles or spines. 
Lasiocampide. The larve often construct large nests, as the tent 
caterpillar. 
Pieride. A common family of butterflies, including the imported 
cabbage worm. 
Hymenoptera 
The order Hymenoptera includes the bees, ants, wasps, sawflies, and a 
host of parasitic species, many of which are extremely minute. 
Metamorphosis is complete. The larva is grublike or wormlike. 
Often the pupa is inclosed in a cocoon. 
Fic. 36. — A sawfly. Enlarged and natural size. Original. 
