NEW PHYTOPHAGOUS COLEOPTERA 111 
agrees almost entirely with A.sumatrensis in structural details, 
differing however in the colour of the head and thorax; the 
latter bears traces of fulvous spots and it is quite possible that 
A. metallica is only a variety of A. sumatrensis Jac. In’ the 
absence of more specimens I can however form no conclusion. 
100. Macrima pallidicornis, Jac. 
Var. a. Elytra black, a broad transverse band below the 
middle rufous. 
Var. b. Base of the elytra to nearly the middle, rufous, the 
rest black. 
Hab. Borneo, Sarawak (Doria and Beccari). 
The insect described by myself under the above name and 
provisionally placed in the genus Macrima (Notes Leyd. Mus. VI) 
seems subject to great variation and the typical form may pos- 
sibly represent immature specimens; the above differently and 
brightly marked specimens do not differ in any other way from 
the type but that of colouration. The shape of the insect is 
ovate and the elytra are dilated posteriorly, the thorax is nar- 
rowly transverse and has a distinct transverse groove across the 
middle of the disc; the first joint of the posterior tibiae resembles 
the same part of Luperodes and the anterior coxal cavities are 
closed. The present insect resembles entirely in shape and colour 
Antipha abdominalis Jac. but may at once be separated by the 
grooved thorax and the different comparative length of the joints 
of the antennae as well as by the other structural characters 
pointed out. | 
Concerning the genus Luperodes in which perhaps the present 
insect ought to be placed, a good deal of confusion seems to 
exist in regard to the species contained in that genus. Lupe- 
rodes has been placed by Chapuis in those groups which have 
open anterior coxal cavities; if however Luperodes alboplagiatus 
Motsch. (which must be loocked upon as the type of the genus) 
is examined, it will be found that the coxal cavities are closed, 
consequently all the species described as Luperodes with open 
