the African Species of Hedybius. 487 



41. Hedybius quadriguttatus. 



Cuntharis quadrignttata, Thunb. Dissert, iii. p. 205 (1801) '. 

 Hedybius quadriguttatus, Pic, L'Echange, xxvii. p. 157 (J) (1911) ^. 



" Thorace flavo macula nigra, elytris violaceis maculis qiiatiior 

 albidis .... Tota violaceo-nigra, exceptis antennis, thoracis 

 margiae et maculis elytrorum albidis. Thorax orbiculatus, mar- 

 ginatus. Elytra singula in medio et apice notantur macula 

 majuscula albida." [ThunhergJ] 



$ . Antennpe long, stout, tapering outwards, black, joints 

 1-4 testaceous beneath, 3 and 4 equal in length, 5-10 elon- 

 gate-triangular ; head (PI. XIV. figs. 33, 33 a) bluish-black, 

 nearly as wide as the prothorax, with a very deep, eroded, 

 trapezoidal excavation between the eyes, and a deep oblique 

 furrow on each side behind them, the lateral furrows pre- 

 ceded by a vertical, dentiform, supra-ocular prominence, and 

 limited behind by a sharp oblique ridge, the vertex also an- 

 gularly raised and subfasciculate in the middle ; prothorax 

 convex and produced in the middle anteriorly, closely punc- 

 tulate, with strongly reflexed margins, black, the lateral and 

 basal margins broadly rufo-testaceous ; elytra moderately 

 long, parallel, transversely rugulose and finely, densely 

 punctate, cyaneo-violaceous, with a transverse whitish mark 

 at the middle of the disc and a larger flavous patch at the 

 apex ; legs and under surface nigro-cyaneous, the anterior 

 tarsal joints 1 and 2 thickened, testaceous. 



Length 4 mm. 



Hub. S. Africa, Cape of Good Hope ^ ^ [type of Thunberg)^ 

 Umvoti, Natal (Mus. Cape Toivn). 



The above description is taken from a (J communicated 

 by Dr. Peringuey. Pic ^ also has given an account of tiiis 

 insect, but he does not allude to the colour of the prothorax. 

 The sides of the head are deeply, obliquely sulcate on eacdi 

 side, as in the S of H. marshalli. Figs. 33, 33 a (PI. XIV.) 

 show the head from above and in profile. 



43. Hedybius flavocincius, sp. n. 



$ . Moderately elongate, shining, finely pubescent, Avithont 

 longer hairs intermixed ; nigro-cjeruleous or black, the basal 

 margin of the prothorax, and the basal joints of the antenniie 

 beneath or in part (1 black above), testaceous, tlie elytra 

 violaceous or blue, each with a narrow, oblique, sinuate, 

 llavous median fascia not quite reaching the suture or outer 



