The Termites of South Africa 1 2 ! 



subcostal streak. F.W. 17 to 19 x 5. Antennae 



XV. and XVI; wlien XVI., III. longer than 



II. (8:5), V. coarse. 



thermarum sp. n. 

 CC. Meso. and meta. somewhat truncate, posterior 



margins quite shallowly indented. 



a. Gense slightly narrowed below eyes. Clypeus 

 shorter than half its width (16:36). H.W. 

 1-01 across eyes 1-58 to 1*60. Wings 

 brownish, with faint sub-coastal streak. F.w. 

 18-5 to 19-5 X 5. Antennae XV. and XVI.; 

 when XV., Ill longer than II. (8:6) ; when 

 XVI., III. as long as or shorter than II. 

 Meso. shallowly incised, meta. broadly and 

 shallowly incurvate. 



pretoriensis sp. n 

 aa. Genae not narrower below eyes than at 

 articulations of mandibles. Clypeus quite 

 short, length a little more than one-third of 

 width. H.W. 1.12, across eyes 1.59. Wings 

 brownish, relatively narrow, with a very 

 decided red-brown sub-costal streak. F.w. 

 16 to 16.5 X 4 to 4.5. Antennae XVI. and 

 XVII.; when XVI., III. as long as II. and 

 V. coarse; when XVII., III. pseudo articu- 

 lated and longer than II. (9:6) and V. short 

 and narrow. 



ahassas sp. n. 



NASUTI. 



I. Head profoundly constricted, shaped like a bird's skull. 

 A. Head yellowish red, major and minor castes. 



Coarctatotermes contractus Sj. 

 AA. Head iblaek hrown, minor caste only. 



Coarctatotermes coarctatus Sj. 

 II. Head not profoundly constricted, more or less turbinate. 

 A. One soldier caste. Head chocolate brown; apical third 

 of nasum pallid. 



6. Dorsal profile straight to arched hinder ipart of head, 

 mandibles plate-like 'svith distinct apical spine. 



Tenuirostritermes malVyi sp. n. 

 6&. Dorsal profile almost quite straight, mandibles plate- 

 like without apical spine. 



Suhulitermes Jiainesi sp. n, 

 AA. Two or three soldier castes. Head reddish yellow, nasum 

 black sometimes red-tipped. Dorsal profile incurvate. 

 Mandibles plate-like without apical points. 



Trinervitermes species. 

 B. Major nasutu with nasum plainly longer than head- 

 height. Head elongate. 



c. Nasum not lipped with red. When antennae XIV. 

 jointed, joint III. twice as long as II. 



irinerviformis Holmg. 

 havilandi sp. n. 

 kurumanensis sp. n. 



