WHITE ANTS. 



347. 



ably form a suborder of Platyptera. In the larval and 

 pupal Per-la (Fig. 321), tufts of gills are situated on the 

 under side of tlio inothorax, and in the 

 adult winged Pttronarcys these gills are ' 

 retained. 



U'he white ants top the Platypterous 

 scries; tliey live in stumps and fallen 

 trees, and in the tropics do much harm 

 by undermining the sills of houses, and 

 destroying furniture, books, etc. The 

 ■colonies are very large and populous. 

 In our Terraes flavipes there Jire males 

 and females, workers and soldiers; the workers being small, 

 ant-like, with small round heads, while the soldiers have 



Fig. 321.— Peria, larva. 



Fig. .S-J-J. — Pupa of a Drag- 

 on-fly {Eschna). 



Fig. 323. — Agrion, naturbl size, and a, its 

 larval gill, much enlarged. 



large square heads, wiih long jaws; tlie pupse are active. 

 Fritz Miiller found in Brazil that one species of Termes was 

 difEerentiated into six different kinds of individuals: viz., a 

 set of winged and wingless females; winged and wingless 

 males; workers and soldiers. A male always lives with a 

 female, and a wingless male and female may, on the death 

 of a winged normal male and female, replace them. Ha 



