C0SSID2E. 
495 
boring in trees, eating large tunnels through, the wood. They are 
smooth with five pairs of suckerfeet, the body usually with chitinous 
dorsal plates. Some emit a characteristic and unpleasant odour. 
Pupation takes place in the tunnel, the pupa not in a cocoon ; a hole is 
previously made to the outside and the pupa before emergence wriggles 
partly out of the bore, the moth then escaping readily. The moths are 
nocturnal in habit. Practically all are hill forest species and only 
rarely - found in the plains. Hampson lists twenty-three species as 
‘‘Indian. ” 
Cossus cadamhce , Mo., is a brown insect whose larva is recorded as 
boring in teak in Travancore. (Ind. Mus. Notes, I, p. 198.) Buomitus 
Fig. 331— COSBUS OADAMBJS. [I. M. N.j 
leuconotm, Wlk., is a large black and white moth with an expanse of 4 
to 5 inches in the male and 7 inches in the female. This insect occurs 
scattered over India, usually near or in forest areas. B. mineus , Cram., 
