(he S. African Specifs of Diiiometopus, etc. .'i.'iO 



3 (2). Kljtra with whitish or flavous hitonil streak. 



4 (7). I'rothorai black, with iho bii^o uarrowlv lesta- 



ceou.'j. 



5 (G). ADteiiiml joints 1-3 in great part testaceous, 



4 dilated; face whitish, arcuately swollen 



across the middle Species 3. 



6 (o). Aiitenual joints I and 2 (except 1 above) testa- 



ceous. 4 .simple ; face (u whitish oblong spot 



excepted) black, e.xcavate laterally Species 4. 



7 (4). I^rothomx testaceous, with bhick discil patch. 

 H (11). Face with a Hattened or raised, triangular or 



oblong, space exteudinjj down the middle, 

 sulcate laterally. 

 9 (10). Face te.^taceous or whitish Species .5, 0. 



10 (9). Face black, the triangular space only whitish. . Species 7. 



11 (8). Face without triangular laised space. 



12 (I-")). Face br. 'Rdlv hollowed or transversely eulcate. 

 l;5 (14). Antennal joints 1-4 testaceous, 3 usually 



widened and black above; face broadly hol- 

 lowed, testaceous Species 8. 



14 (13). Antennal joints 1-3 testaceous, 1 black at the 

 tip above, 3 not wider than 4 ; face trans- 

 versely sulcate, testaceous Species 9. 



lo (12). Face excavate laterally, hollowed in the middle 

 anteriorly, or feebly bi-impressed. 



16 (17). Antenufe with joints 1-4 testaceous; face ex- 



cavate laterally Species 10. 



17 (16). Antennae with two or more of the basal joints 



nigro-niaculate. 



18 (19). Antennal joints 2 and 3 small, testaceous, 1 and 



4 maculate Species 1 1 . 



19 (18). Antennal joint 3 much larger than 2, 1, 3, and 



4 maculate Species 12, 13. 



20 (1). Elytra and prothorax black or blue-black, elytra 



tlavo-fasciate ; antennal joint 1 stout, testa- 

 ceous Species 15. 



Sect. II. Joints 3 and 4 of maxillary palpi large, more freely articulate, 

 4 oblong or subquadrate, truncate at tip, 3 sometimestransver.se and 

 much smaller than 4; elytra rounded at the sides; wings present 

 (sometimes wantin"' in j ) : species small, Halticiform. [Subgen. 

 Antidip.nis, Woll.j 



21 (22). Flytra interruptedly unifasciate Species 16, 17. 



22 (21 ). l^lvtra not fajiciate. 



23 (24). Elytra maculate at tip Species 18, 19. 



24 (23). Elytra (and head and prothorax also) black . . Species 20. 



1. Colotes cyanopterus. (PI. \. figs. 25, head from in front, 

 25 a, antcuna, 25 b, maxillary palpus, ^ .) 



$. Charopus ajanopUruSy Gorh. Ann. & Mag. Nat. Hist. (7) v. p. 7o 

 (1900)'. 



(J. Head broad, fovcate in the middle between the eyes, 

 the face wholly whitish, transversely l)if(neate anteriorly ; 

 antennae slender, longer than in ? , blacky joints 1-3 (a long 



