Figure 14.26 Order Homoptero: 1, Cicadidae, a cicada or harvest 

 fly(^ ' 2); 2, Membracidae, a treehopper (two views, x 2); 3, Cer- 

 copidae, o froghopper or spittlebug (x 1); 4, Cicodellidoe, a leaf- 

 hopper (top and side views, x 2); 5, Fulgoridoe, a planthopper or 

 lanternfly{x 2); 6, Aleyrodidae, a whitefly (x 5); 7, Psyllidae, a jump- 

 ing plant louse or flea louse ( x 5); 8, Aphididae, a plant louse (a and b 

 ore different kinds of females, c is a winged adult; x 3); 9, Phyl- 

 loxeridae, a plant louse ( x 3; note wing venotion; wingless forms 

 resemble ophids); 1 0, Coccidae, mealybugs ( x 3, moles become winged 

 and resemble scale insects); 11, Coccidae, scale insects (x 5), (o), 

 wingless female, (b) wingless mole, and (c) winged mole; the scale 

 shapes vary a great deal among species and often entirely cover the 

 insect. (After various sources.) 



Figure 14.27 Ephemeroptera and Odonoto. Ephemeroptero: 1, 

 mayfly (x 2), a two-tailed adult that develops from two-tailed aquatic 

 nymphs; 2, aquatic nymph (x 2), of the three-tailed type that meta- 

 morphoses to o three-toiled adult. Odonata: 3, domselfly aquatic 

 nymph ( x 1 ' i»); 4, three kinds of dragonfly aquatic nymphs ( x 1 ' ij); 

 5, dragonfly (x ' ^); 6, domselfly ( x 2). (After various sources.) 



