286 Descrii^tive Catalogue [1896. 



Hah. The genus is represented in Africa (Senegal, Gaboon), 

 Madagascar, India, Burraah, Ceylon, and North and South 

 America. 



Sy7io2)sis of Species. 



Elytra broadly ovate. 



Elytra pale yellow, with three transverse interrupted bronze 

 bands insignicollis 



Elytra elongate. 



Elytra sericeous, with a posterior quadrate yellow patch, the 

 first basal joints of antennse reddish higuttatus. 



The three basal joints of antennae yellow sericatus. 



Elytra not sericeous. 



Elytra with a diagonal humeral yellow band, and a posterior 

 one on each side scitulus. 



Elytra without any yellow markings immaculatiis . 



Tbteagonoderus insignicollis, Chaud., 

 Bull. Mosc, 1876, part ii., p. 42. 



Head metallic green, smooth ; antennae jElavescent, with the three 

 basal joints and also the palpi yellow ; prothorax broader than long, 

 with the outer sides straight, plane, metallic green, with the lateral 

 edges yellow, nearly smooth, and with a median longitudinal narrow 

 groove, and a basal impression on each side of that groove ; elytra, 

 with the anterior angles acute, and projecting beyond the base of the 

 prothorax, gradually ampliated from the shoulder to the median 

 part, gradually narrowed from there to the outer angle, and sub- 

 obliquely truncated from there to the suture, hardly convex, finely 

 Striate, with the intervals quite plane, pale yellow, with three, zig- 

 zag shape, interrupted transverse bronze bands, consisting of sub- 

 quadrate isolated patches, on each elytron, and a lighter bronze 

 transverse basal patch reaching as far as the fourth interval on each 

 side ; under side more or less deeply infuscated ; legs pale yellow. 

 Length 5f mm. ; width 3 J mm. 



Hah. Natal (? D'Urban, Escourt). Has also been captured at 

 Zanzibar, and is recorded by Gestro from the Galla country. 



The rotund shape of the elytra, and that of the prothorax, gives to 

 this species a facies somewhat similar to Cyclosomus. 



Tetragonoderus biguttatus, Thunb., 

 Nov. Insect. Spec, p. 76. 

 Bronze on the upper side, black underneath ; head smooth ; antennae 

 black, with the first joint reddish yellow ; prothorax broader in the 

 anterior part than in the basal one, outer sides rounded gradually, 

 subacute at the posterior angle, the base truncated straight, the 

 apical part slightly sinuose, with the anterior angles projecting a 

 little and sharp, plane, with a transverse anterior impression, a 



