the African Species of Hedybius. 455 



29 i2Q). Antenuffi in great part or entirely testaceous 



above ; the joints 3 and 4 in No, 25, and 4 

 only in No. 26, with a shining black area 

 beneath. 



30 (31). Fifth antennal joint dilated, triangular Species 24. 



31 (30). Fifth antennal joint not dilated. 



32 (33). Pygidium not sulcate ■ Species 25, 26. 



33 (32). Pygiilium sulcate (eniarginate in No. 29) .... Species 27-30. 



34 (19). Terminal dorsal and ventral segments of 



abdomen furnished -with projecting black 

 hooks or spines ; prothorax cristate in 

 No. 31, or angularly raised in No. 32, in 

 the middle in front ; legs wliolly or in part 

 black in Nos. 31, 32, testaceous in No. 33. . Species 31-33. 

 35(18). Legs black; prothorax red, sometimes nigro- 

 maculate on the disc anteriorly ; elytra 

 subtuberculate in No. 34, finely punctured 

 iu Nos. 35, 36 ; abdomen black in Nos. 34, 

 35, red in No. 36 Species 34-36. 



36 (17). Elytra maculate or fasciate. 



37 (40). Legs wholly or in part, prothorax, and elytra 



rufous or testaceous, the elytra violaceo- or 

 caeruleo-maculate at base and at or towards 

 apex. 



38 (39). Elytral puncturing coarse ; head with a 



central spine Species 37. 



39 (38). Elytral puncturing fine ; head without spine . Species 38, 39. 



40 (.37). Legs black or metallic. 



41 (42). Prothorax and elytra violaceous, the latter 



each with a broad orange lateral patch .... Species 40. 



42 (41). Prothorax at sides or base testaceous or rufous. 



43 (44). Elytra maculate, without humeral ))lica .... Species 41. 



44 (43). Elytra narrowly unifasciate, with humeral 



plica Species 42. 



1. Hedybius hirtus. 



2- Cistela hirta, Fabr. Spec. Ins. i. p. 149 (1781) \ 



Hedybius hirtus, Blair, Ann. & Mag. Nat. Hist. (9) v. p. 102 (1920) ^ 



5 . Cantharis ocukda, Thunb. Dissert, iii. p. 202 (1801) ^ 



(5. Hedybius oculatus, Er. Entoniographien, p. 93 (1810) *. 



(J . Anteunse moderately long, stout, tapering towards the 

 tip, testaceous in their basal half, the other joints black or 

 more or less iiifuscate, 4-10 triangular; head (as in $) 

 testaceous, iiigro-iuaculate at the base in some specimens, nar- 

 rower than tlie prothorax, depressed between the eyes, trans- 

 versely angulato- or sinuato-plicate above, and sometimes 

 raised iu the centre beneath the prothoracic tuft (PI. Xlll. 

 fig. 3) ; prothorax testaceous, with two small black spots on 

 the disc and often two other smaller spois near the base, and 

 furnished Avith a spiniform, porrect or upwardly-curved, 

 matted fascicle of lorig black hairs in the centre in front ; 



