THE SOLDIERLESS TERMITES OF AFRICA 



129 



brown to dark sepia-brown, dorsal stigmata paler or as tergites, sternites and ventral stigmata 

 brown, sternites paler in middle, cerci yellow to pale brown. 



Posterior margin of head capsule evenly rounded, or not quite so, slightly undulating; ocelli 

 medium-sized, separated from compound eyes by from less than half to slightly more than 

 own least diameter; postclypeus weakly to strongly inflated, Pcl/W, 0-20-0-34, posterior margin 

 rarely evenly rounded, usually bowed in middle, median suture distinct. Pilosity of head 

 capsule yellow-brown to brown, variable from fine, sparse, short slightly uneven pelt with 

 emergent setae, to uneven, no pelt. Other characters as in generic diagnosis. 



Measurements. ('A. kilimandjariciis' represented by 24 specimens from 16 localities, 

 'A. natalensis' by 25 specimens from 12 localities — see discussion following descriptions) in 

 millimetres. 



Head width across eyes (W) 

 Ocellus (O w x Oi) . 

 Ocellus to eye (O-E) 

 Postclypeus length (Pel) . 

 Antennal article III . 

 Antennal article IV . 

 Antennal article V . 

 Left mandible, apical to first 



marginal (L A ) 

 Left mandible, first to third 



marginal (Li) 

 Left mandible, third marginal to 



molar (L m ) .... 

 Right mandible, apical to first 



marginal (R A ) 

 Right mandible, first to second 



marginal (Ri) 

 Right mandible, second marginal 



to molar (R m ) 

 Mesonotum width (M) 

 Metanotum width (N) 



'A . kilimandjaricus' 



Range 

 0-90-1-35 

 0-07-0-13 x 0-10-0-17 

 004-010 

 0-22-0-34 

 002-008 

 004-009 

 004-009 



008-01 1 



014-0-20 



006-010 



009-01 1 



010-015 



006-011 

 0-28-0-49 

 0-29-0-50 



Mean ± S.D. 



1-146 ± 01 1 7 



0094 ± 0014 x 0-125 ± o-oii 



0063 ^ 001 5 

 0289 i 0029 

 0045 ± 0013 



0064 Jb 0016 

 0064 i 0015 



0097 i 0007 



0172 ± 0016 



0085 ± 0013 



0100 ± 0006 



OI28 ;£ OOI4 



OO83 ± OOI3 

 O37O ± OO56 

 0-374 ± OO56 



Head width across eyes (W) 

 Ocellus (O ff xO|) . 

 Ocellus to eye (O-E) 

 Postclypeus length (Pel) 

 Antennal article III . 

 Antennal article IV . 

 Antennal article V 

 Left mandible, apical to first 



marginal (L A ) 

 Left mandible, first to third 



marginal (Li) 

 Left mandible, third marginal to 



molar (L m ) .... 

 Right mandible, apical to first 



marginal (Ra) 



'A. natalensis' 



Range 

 1-06-1-30 

 007-010 x 009-013 

 005-010 

 0-25-0-44 

 003-006 

 005-008 

 005-008 



009-012 



0-16-0-20 



0-07-0-10 



009-01 1 



Mean ± S.D. 

 1 177 ± 0064 

 0084 ^ 0009 x 0109 i 0013 

 0068 i 0013 

 0295 ± 0039 

 0044 ± 0008 

 0062 i 0-009 

 0-061 i 0-007 



o-ioi ± 0006 



0176 ± 0010 



0-083 i 0-007 



0100 J; 0006 



