The Termites of South Africa 21 



cc. Antennrs XV to XVII jointed. 



Relatively small insects with dark 

 bodies and dark winj^s. 



1. Larger kinds : Body 6 to 8 mm. Span 

 23 to 27 mm. Wings usually smoky 

 or blackish. Antennae XV, XVI, 

 XVII, CuMtermes and 



Mirotermcs. 



2. Smaller kinds : Body 5 to 6 mm. Spaa 

 19 to 24 mm. Wings usually brownish. 

 Antennae XV. Eamitermen. 



11. SOLDIERS. 



I. NASUTI WITH MANDIBLES REDUCED TO MICROSCOPIC 

 PLATES. HEADS. SEEN FROM ABOVE, PEAR-SHAPED 

 WITH A LONG TUBULAR SNOUT. 



A. Head regularly pear-shaped. Body brownish. 



(1) Head yellowish or reddish; snout usually darker. 



Trinervitei'mcs. 



(2) Head brownish. Siihulitermes. 



B. Head irregularly pear-shaped ; sides plainly constricted ; 



wine-coloured. Body black. Coaretotermes. 



II. HEADS ABNORMAL; MANDIBLES AS LONG OR LONGER 

 THAN HEAD, BLADE-LIKE OR ROD-LIKE. HEADS 

 SHORT AND THICK ; SEEN FROM THE SIDE DISTINCT- 

 LY TRUNCATE OR DECIDEDLY SLOPING IN FRONT 

 AND ALWAYS WITH A LARGE FRINGED PORE 

 (Fontanelle) ON FRONT. 



A. Head not plainly longer than wide, four sided; mandibles 



blade-like. 



(1) Labrum deeply forked; basal joint of antenna 

 smooth. CuMtermes. 



(2) Labrum with sinuate indented tip but not deeply 

 forked ; basal joint of antenna rough. ProcuMtermes. 



B. Head longer than wide, four-sided, frontal ridge with a 



pinched up, pointed protuberance; mandibles rod-like. 



Mirntermes. 



IIL HEADS NORMAL: CYLINDRICAL SUBCYLINDRICAIi 

 OR LENTICULAR. 



A. Head long cylindrical (roller-like) about twice as long 

 as wide; eyes missing. Mandibles fairly strong; inbent 

 at tips; cutting margin finely serrate. Small insects. 



Eutermes. 



B. Head sub-cylindrical; somewhat flattened; facetted eyes 

 present ; mandibles toothed ; pronotum flat or introse never 

 plainly sellate. 



(1) Mandibles plainly down bent, short, massive; eyes 

 distinct. PorotermeM. 



