call 
193 
CYRTOTRACHELUS LONGIPES,! 
Plate IX, fig. a—h. 
Reference :—Curculio longipes, Fabr, Ent. Syst. Tom. I. 395. 
Classification :—Order, COLEOPTERA. Family, Curculionide, 
Plant attacked :—MJelocanna bambusotdes (Muli Bamboo), 
Description, 
The eggs are elliptical in shape, whitish in colour, and about 
ggnd inch in length (see Pl. IX, a). 
The éarva is described asa large whitish legless curved grub 
with slight fleshy tubercles on the underside of the body. It is 
shown on PI, IX, b. 
The pupa is white in colour and has the ordinary weevil 
shape. 
The deetle is a large shining rufous-ferruginous coloured 
insect with a black patch on the thorax and black longitudinal 
patches on the sides of the elytra and another black longitudinal 
one running down the median suture of the elytra. The insect 
has a longish thick rostrum and long legs. 
3 Rostrum long, thick, straight, quadrangular, deeper than 
wide at its base and dilated and truncate at its tip, furnished 
on its upper surface with two lateral rows of tubercles ; scrobe 
short, placed laterally. Mandibles thick. Antenne fairly 
long and stout ; scape arched backwards slightly ; second joint 
of funiculus slightly longer than others; club fairly large, 
triangular, with apex at outer end ; pubescent on outer surface, 
Prothorax slightly longer than broad, convex, smooth and 
shining, rounded at sides, narrowing ventrally and having a 

1 This insect was found attacking the muli bamboo in the Chittagong 
Division by Mr. J. P. Gregson, Extra-Assistant Conservator of Forests, 
Bengal, and its life history was worked out by him in 1899. During 1900, 
whilst holding charge of the division, | made frequent observations on 
the attack, going carefully through the stages of the life history with 
Mr. Gregson. Iwas thus able to corroborate his careful and excellent 
observations. 
