AULACOLEPIS. 431 



757. Demotina thoracica, Jac. P. Z. S. 1887, p. 70. 



Greyish-fuscous, closely pubescent ; the apices of the tibiae 

 fulvous ; thorax strongly rounded at the middle, obscurely marked 

 with brownish bands ; elytra covered with light grey pubescence, 

 a spot at the base and two rows of similar spots placed transversely 

 behind the middle, fuscous. 



Head closely punctured, covered with light grey pubescence, 

 which is interrupted on the vertex by two more or les distinct 

 longitudinal brownish bands ; the anterior margin of the clypeus 

 and the labrum fulvous, glabrous ; antennae half the length of the 

 body, slender, the terminal joints slightly thickened, the third and 

 fourth joints equal, all the joints piceous or dark fuscous. Thorax 

 transverse, strongly rounded and widened in the middle ; the 

 entire surface covered with whitish-grey pubescence, which 

 assumes the shape of a longitudinal band at the sides ; the latter 

 with a round depression. Scutellum greyish-pubescent. Elytra 

 finely punctate-striate, clothed with greyish pubescence like the 

 thorax; at the basal margin are two more or less distinct fuscous 

 or dark brown spots, bounded at the sides by whitish bands ; 

 behind the middle are placed two transverse rows of similar 

 spots. All the femora are armed each with a strong tooth ; the 

 sides of the elytra are furnished with short and stiff bristles. 



Length 34 mm. 



Hcib. Ceylon: Dikoya. 



The thorax in the present species is much narrowed in front 

 and at the base, giving more prominence to the middle ; the 

 pubescence of the upper surface is generally whitish-grey, but 

 sometimes of a more fulvous tint, and the fuscous spots are more 

 or less distinct ; in well-marked specimens they are often preceded 

 by whitish spots, caused by the thickening of the pubescence in 

 those places ; in some specimens there are three oblique rows of 

 obscure spots on each elytron besides those at the base, which 

 latter are generally present. 



Genus AULACOLEPIS. 



Aulacolepis, Bah/, Journ. Ent, ii, 1863, p. 162 ; id. Trans. Ent. Soc. 

 1867, p. 93 ; Chapuis, Gen. Co-opt, x, 1874, p. 327 ; Lefev. Cat. 

 Eumolp. 1885, p. 127. 



Type, A. mouhoti, Baly, from Siam. 



Range. Burma ; Siam ; Sumatra. 



Body oblong, subcylindrical, clothed with large, broad, rigid, 

 adpressed or suberect curved scales, surface of the scales longi- 

 tudinally concave. Head short, perpendicular, very deeply 

 immersed in the thorax ; antennae scarcely longer than the head 

 and thorax, their terminal portion moderately incrassate, basal 

 joint thickened, second moderately so, third and following three 



