312 



TABLE OF HOMOPTEEA. 



SECTION I TRIMERA. 



Tarsi three-jointed. 



Antennas very small, three or six joints ; the last bristle- 

 like. 



Ocelli generally present, two or three. 



Wings : fore-wing sometimes uniformly thickened, hind- 

 wing clear. 



* Antennae six (seven ?) joints* 

 Ocelli, three. 



a. Antennae between the eyes. 

 Ocelli on back of head. 

 Insect not saltatorial. 

 Family 1. Cicadidae. 

 Ex. Cicada. 



* Antennae, three joints. 

 Ocelli, two. 



a. Antennae beneath the eyes. 



Ocelli beneath the eyes. 



Insect generally saltatorial. 

 Family 2. Fulgoridae. 



Ex. CixiuSj Delphax. 



b. Antennas between the eyes. 

 Ocelli on forehead or face. 

 Insect saltatorial. 



Family 3. Cercopidas. 

 Ex. Cuckoo spit. 



