.ISOLESTHES. 127 



slightly arched forwards in the mindle. Antennae of J about 

 three times as long as the body ; first and third joints transversely 

 wrinkled, especially beneath ; third abruptly thickened at the apex, 

 with the ring-like thickening projecting niost posteriorly ; fourth 

 and fifth also thickened slightly at the apex, third a little longer, 

 and fourth a little shorter, than the first ; fifth as long as, or 



Fig. 49. Molesthes basicornis, Gahan, $ 



slightly longer than the third ; sixth to tenth successively longer, 

 eleventh very long ; fifth to eighth spined posteriorly, and sixth to 

 tenth dentate in front at the apex. Prothorax protuberant and 

 somewhat tuberculate at the middle of each side ; strongly wrinkled 

 above and marked with two longitudinal impressions that converge 

 in front and limit a central space wrinkled less deeply than the 

 rest of the surface. Each elytron truncate in a slightly oblique 

 direction at the apex, and shortly spined at the angles. 



Length 35-38 ; breadth 10| mm. 



Hob. Andaman Islands. 



124. ^olesthes holosericea, Fab. (Cerambyx) Mant. Ins. i, p. 135 



(1787). 



Pachydissus velutinus, Thorns. Syst. Ceramb. p. 576 (1865). 

 Pachydissus similis, Gahan, A. M. N. H. (6) v, p. 52 (1890). 

 Neocerambyx holosericeus, Cotes, Ind. Mus. Notes, i, no. 2, pp. 60 & 



89, pi. 5, tig. 3 (1889). 



J Dark brown, sometimes reddish brown, densely covered with a 

 silky pubescence of a greyish or a light-brown colour ; the elytra 



