The Termites of South Africa 23 



bb. Head elongate; pronotum not sellate 

 i. Mandibles up bent. Calotermes 



o TIT ^-ui ^ , ^^t ante). 



2. Mandibles down bent. Porotermes 



o iLr ^^t ante). 



3. Mandibles triangular, teeth small. 



Cryptotcrmes 

 (et ante), 

 (ii) Soldiers without facetted eyes. 



aa. Pronotum flat, semi-lunar, deeply in- 

 curvate in front. Head longer than 

 wide, with a large pore in middle, 

 sides parallel. Antennae stiff, joints 

 with apex swollen. Legs short and 

 stout. Psammotermes. 



bb. Pronotum not flat, somewhat sellate. 



1. Left mandible with several small 

 broad teeth; right with one. 

 Labrum pointed, on the tip a boss. 



Apicotermes. 



2. Both mandibles with a decided tooth. 



a. Tooth on left step-like, on right 

 triangular. Head oval. Labrum 

 tongue-shaped. 



Termes (Odontotermes) . 

 h. On both step-like. Head short 

 rectangular. Labrum as wide as 

 long, sub-trapezoid in front. 



Hoplognathotermes. 



3. Left mandible with a wide apical 

 point, below this a distinct notch. 

 Right mandible with a decided tooth 

 (step-like) at half its length. Labrum 

 roundly triangular with a small 

 hyaline tip. Allodontermes. 



4. Both mandibles alike, both finely ser- 

 rate. Heads cylindrical. 



Eutermes (et ante). 



SYNOPSIS OF HABITS AND FIELD KEY. 



I. Living and nesting in trees. 



A. Nests in form of simple cells and galleries gnawed 

 out for food and accommodation; almost always located 

 in dead stubs where limbs have broken away. Seldom 

 any external evidence. Abdomen of queens elongated 

 not greatly distended; queens moving freely in nest. 

 No workers present ; relatively few soldiers ; colony com- 

 posed of many nymphfe in all stages of development. 

 No earth in nest. 



(1) Soldiers fairly large; mandibles large and strongly 

 toothed. Distribution: Natal, Cape, (East and b.l;.. 

 Coasts). Calotermes (2 spp). 



Neotermes (1 sp). 



