CLASSIFICATION 



Termitidd. Eyes facetted. Antennae 9-31 jointed. Mouth parts 

 prognathous or hypognathous. 1 Prothorax large. Wings elongate, alike, 



FIG. 13. Hemimerus talpoides. Length, FIG. 14. Schistocerca americana. Slightly re- 

 11.5 mm. After HANSEN. duced. 



membranous, delicate, with indefinite reticulation and with a character- 

 istic basal suture. Abdomen elongate, with ten segments and a pair of 

 short, two-jointed anal cerci. In- 

 tegument delicate. Social in 

 habit. Example, Termes (Fig. 

 277). Over one hundred species 

 are known. 



Comstock places Termitidae in 

 an order by themselves, Isoptera. 



EmbiidcB. Eyes facetted. An- 

 tennae 15-32 jointed. Mouth 

 parts prognathous. Thorax elon- 



FIG. 15. Oligotoma michaeli. Length, 10.5 

 mm. After McLACHLAN. 



gate, prothorax reduced. Wings 



(sometimes absent) elongate, 



membranous, delicate, with few 



and feebly developed longitudinal and cross veins. Abdomen elongate, 



with ten or possibly eleven segments, and a pair of stout biarticu- 



late cerci. Integument delicate. Not social in habit. Examples, 



1 Prognathous, directed forward; hypognathous, directed downward. 



