IIETEItOXItICHUS. 
463 
second closely articulated with the third, the two conjointly being 
heart-shaped ; in Acrothmium the three joints are of equal width, 
the second is less closely articulated with the third. 
804. Lophea melancholica, Baly, Journ. But. ii, 1865, p. 442. 
Black or bluish-black, subnitidous. 
Head rugose, front impressed with a longitudinal groove ; clypeus 
transverse, anterior margin slightly 
concave ; antennae two-thirds the 
length of the body, terminal live 
joints compressed, slightly dilated 
forming a club. Thorax about one- 
third as broad again as long, very con- 
vex, sides parallel, sinuate posteriorly, 
convergent in front, angles acute ; 
surface coarsely punctured, sometimes 
with a smooth longitudinal middle 
line. Scutellum somewhat ovate, 
smooth, concave. Elytra parallel- 
sided, apex broadly rounded, surface 
obsoletely impressed below basilar area, 
coarsely punctured, clothed like the 
rest of the body with coarse griseous 
hairs. Legs robust, all the tibiae dilated 
externally at apex. Breast and abdomen 
more finely punctured than the upper 
surface, clothed with silvery pubescence. 
Length 10 mm. 
Hah. Burma {Coll. Brit. Mus.). 
Genus HETEROTRICHUS. 
Heterotrichus, Chapuis, Gen. Coleopt. x, 1874, p. 316 ; Lefev. Cat. 
JEumolp. 1885, p. 118. 
Type, Jl. bctlyi , Chapuis, from Siam. 
Range. Burma; Siam. 
Subquadrate, pubescent. Head and eyes partly inserted in 
thorax, clypeus uot separated from the face. Antennae scarcely 
extending to the middle of the elytra, basal joint globular, third 
to the sixth more elongate and slender, following joints 
broadly dilated and flattened, broader than long. Thorax trans- 
verse, convex, subquadrate, sides feebly rounded. Scutellum 
subovate. Elytra much wider at base than the thorax, very 
convex. Legs moderately long ; femora fusiform, with a small 
tooth beneath ; tibiae dilated at apex, entire, longitudinally sulcate ; 
tarsi broadly subtriangular, equal ; claws appendiculate. Pro- 
sternum subquadrate, with groove at the sides for reception of part 
of the antennae. 
Fig. 159. 
Lophea melancholica. 
