THE SOLDIERLESS TERMITES OF AFRICA 



i6g 



larger, coloured as head; postclypeus chestnut-brown, labrum yellow-brown; frontal marks 

 distinct, semicircular, flat or slightly depressed, brown; antennae brown. Pronotum, meso- and 

 metanota chestnut-brown, transverse dark sutures weak on mesonotum, present on metanotum; 

 femora and tibiae brown, tarsi yellow. Abdominal tergites brown, dorsal stigmata dark 

 sepia-brown, sternites pale brown, yellow-brown in middle, ventral stigmata sepia-brown ; 

 cerci pale yellow-brown. 



Posterior margin of head capsule not quite evenly rounded, slightly undulating; ocelli pro- 

 portionately rather small, separated from compound eyes by about three-quarters, up to slightly 

 more than own least diameter; postclypeus weakly to moderately inflated, Pcl/W, 0-23-0-26, 

 posterior margin bowed, not evenly rounded, median suture distinct. Apical teeth of mandibles 

 short, La/Li, 0-54-0-60, Ra/Ri, 0-73-0-89; subsidiary marginal tooth of left mandible separated 

 from molar prominence by distinct notch in surface view, complex ratio, La/Li. L m , 5-90-7-84; 

 points of apical and marginal teeth of right mandible in line, anterior edge of first marginal 

 longer than that of second. Meso- and metanota fairly wide at constriction, M/W, 0-29-0-33. 

 Pilosity of head capsule yellow-brown, pelt somewhat rough, slightly uneven. 



415 



417 



418 



Figs 411-418. Ateuchotevmes , imago mandibles. 411, 412, A. cienopher; 413, 414, 

 A. nniricatus; 415, 416, A. pectinatus; 417, 418, A. rastratus. 



