KOSALIA. 



17 



black ; the sides sparsely punctate, glabrous aud glossy; the front 

 minutely, aud the vertex more strongly, puuctulate, both faintlv 



pubesceut ; mandibles vary iu the male 

 according to the size and development of 

 the iudividual — iu large males they are 

 rather long and horizontal, furnished 

 each with a strong dorsal i-idge and a 

 tooth near tlie base ; iu smaller males 

 obliquely incliiied as in the female, with 

 the dorsal tooth small or even entirely 

 absent. Anteunce longer than the 

 body by the last five joints iu the S 

 aud the last four iu the ? ; pale blue, 

 with the first two joints entirely and 

 the rest at the apex black ; third to 

 sixth strongly, and some of the suc- 

 ceeding joints feebly, tufted with black 

 hairs at the apex, Prothorax rounded 

 at the sides, slightly narrowed towards 

 the base ; the disc with a large black 

 spot that extends from the middle to the 

 front margin and spreads out in front, also a small round black 

 spot on each side. Scutellum blue. Elytra marked each \vith 

 four large transverse spots or bands— one at the base, the second 

 at one-fourth from base, the third just behind the middle, and the 

 fourth a little before the apex. Body beneath for the most part 

 pale blue, with the raesothorax almost wholly black. Le^s black • 

 the femora, which are gradually thickened and subfusifornrtowards 

 the apex, with a pale blue ring or spot ou the thickest part ; hind 

 tibiffi dilated and fringed with hairs at the apex ; middle and hind 

 tarsi pale blue above. 



Length 16-28 ; breadth 4-7 mm. 



Hab. Burma : Ruby Mines, North Chin Hills ; Siam. 



Fig. 70. — Eosalia lamecrei, 

 Brongn., J. X -j. 



II. Puhescmce vermilion, with blach spots and bands ; antennce 

 ivithout strong tufts of hair except in the 5 of one species; 

 mandibles without dorsal tooth in (S . (Subgenus Euetbatus.) 



A. Bodg beneath entirely black ; femora fusiform or suhlinear. 



192. Rosalia laterilia, Hope (Lamia), Grays Zool. Misc. p. 27 (1831 ) ; 

 Lamecrs, Ann, Soc. lint. £ely. xxxi, p. 165, pi. 3, fig. 3 (1887), 



Body beneath black ; head black, sometimes with two red spots 

 on the vertex ; pronotum aud elytra red, the latter frequentlv 

 with a small spot or baud under each shoulder, and rarel}^ a small 

 lateral spot at the middle, especially in the S . Antennce of j 

 extending by the last four joints beyond the apex of the elytra ; 

 first joint finely shagreened ; third and fourth subequal ; third to 



VOL. i. TS 



