290 



Annals of tlie South African Museum. 



black. Labrum light greenish, turning to yellowish anteriorly ; in 

 some specimens a small black spot at the base. Frontal view of head 

 remarkable for three transverse, straight, nearly equal stripes that 

 run right across the compound eyes, two greenish, the median, slightly 

 narrower one black. Labrum, base of mandibles and genae, ante- 

 clypeus, postclypeus and the sides of frons in equal breadth, black ; 

 the f rous not quite up to the base of antenna is green. Dorsal surface 

 of head and antennae otherwise wholly black. Prothorax black dor- 

 sally ; a transverse whitish median anterior mark ; sides greenish, 

 narrow anteriorly, broader to the posterior end, also to the coxae. 

 Posterior lobe broad, regularly curved, raised to an angle of 45. 

 Thoracic dorsum black ; narrow, straight, completely greenish are 

 the ante-humeral Hues, distant from the humeral suture by not 



FIG. 19. Allocnemis leucosticta, $ . Barberton. 



side and dorsal view. 



Appendages, right 



fully their own breadth. Black colour invading the sides to about 

 two-thirds the distance from humeral suture to metastigma, just a 

 little beyond the (only visible) dorsal end of first lateral suture ; sides 

 otherwise very light greenish shading into whitish, right to the ventral 

 side ; a narrow, complete black line on second lateral suture. Legs 

 black externally, internally very light greenish or bluish ; long spines 

 of tibiae fine and very long, at least three times the angle of the space 

 between each ; teeth of claws small, near the tips. 



Abdomen slender, deep black ; sides of segments 1-2 light greenish; 

 on 3-7 very narrow basal whitish rings shortly interrupted on dorsum ; 

 a brilliant creamy yellow dorsal spot on the end of segment 8 and 

 segments 9-10 entirely ; on ventral side the tergites 3-7 are narrowly 

 lined with greenish, 8 yellow. Appendages creamy yellow (Text-fig. 19). 



Wings of a rather deep, but not pure yellow, shading to grey or 



