The Termites of South Africa 27 



a. Soldiers with sword-shaped man- 

 dibles. Very destructive, found 

 in Natal, Transvaal, Griqualand 

 West, Kalahari. 



Macrotermes natalensia 



s. str. and s. lat. 



5. Soldiers with large step-like 



tooth on left mandible. Mounds 



low and more often grass covered 



than bare. Distribution: Natal. 



Termes vulgaris. 



SECTION II. NOT FUNGUS GROWERS. 



(11) Nests within cellular mounds; nest super- 

 ficial, never penetrating soil to any great 

 depth. 



aa. Mounds usually hemispherical (like a 

 Zulu hut) or roughly conical. In Kala- 

 hari soinetimes columnar and 6 feet 

 high; elsewhere, seldom more than 2 

 high and 3 feet in diameter. Surface 

 of mound hard; interior relatively soft 

 and very cellular; cells intercommimi- 

 cating openly and forming a labyrinth, 

 always more or less filled with short 

 grass lengths. Cellular part never car- 

 ried down Into soil more than 18 to 20 

 inches. 



1. Soldiers nasute. Soldiers with yel- 

 low or reddish heads. Distribution: 

 General for Union. 



Trinervitennes spp. 



2. Soldiers with brown heads. Distri- 

 bution : Bushmanland. 



SuhuUtermes sp. 



bb. Mounds sometimes hemispherical, more 

 often flatly dome-shaped; of hard tex- 

 ture; cells small and cell-walls thick. 

 No provisions stored in nest. Cellular 

 part not carried deep into soil. Sol- 

 diers with barbed and sickle-shaped 

 mandibles Distribution: General, ex- 

 cept Natal Hamitermes spp. 



cc Mounds quite small; very hard, usually 

 like a piece of sandstone set m soil; 

 never more than a few inches high and. 

 12 inches in diameter. Soldiers with 

 short thick heads. Often built amongst 



stones • 



1 Soldiers with a forked labrum. Dis- 

 ' tribution: General. CuUtermes spp. 



2 Soldiers with basal joint of antenna 

 * roughened. Distribution: Transvaal. 



^ ProcuUtermes sp. 



