157 
12. Colobothea destituta, n. sp. 
C. minus elongata, obscure grisea ; capita nigro, vertice lineis duabus 
divergentibus griseis ; thorace vittis septem nigris, quarum una 
mediana latiore ; elytris obscure griseis, nigro confertim irroratis, 
cinereo-griseo maculatis, fasciis interruptis tribus vel duabus (plus 
minusve obsoletis) nigris, apice sinuato-truncatis, angulis interiori- 
bus prominulis, exterioribus spiniformibus. Long. 4^6 lin. c? $ . 
Head blackish, forehead streaked with ashy-grey, vertex with 
two fine ashy lines diverging on the occiput. Antennae black, 
fourth, sixth, eighth, and tenth joints with a whitish ring. Tho- 
rax dull grey, with seven black vittae, central one twice as thick as 
any of the rest. Elytra moderately elongated and tapering, apex 
sinuate-truncate, sutural angles dentiform, external spiniform ; 
surface obscure grey, thickly irrorated with blackish, and having 
a few larger ashy, mostly rounded spots ; each with two (and some- 
times an indication of a third) transverse quadrate black spots, 
not distinctly limited. Body beneath ashy ; abdomen spotted 
on the sides with black. Legs black, spotted with grey. 
Terminal ventral plate sinuate-truncate, angles acute; 
dorsal plate narrower, sinuate-truncate. 
$ . Terminal abdominal segment elongated and tapering ; 
both plates sinuate-truncate, not spinose. 
On branches of dead trees, Para. 
13. Colobothea seminalisy n. sp. 
C. minus elongata, fusco-nigra ; capitis vertice lineis duabus diver- 
gentibus ; thorace vittis sex, elytris maculis parvis partim con- 
fluentibus, cinereo-fulvis, his apice cano marginatis sinuato-trun- 
catis, angulis exterioribus spinosis. Long. 3|-5 lin. $ . 
Head blackish, forehead streaked with ashy-tawny, vertex 
with two ashy-tawny lines diverging on the occiput. Antennge 
black or reddish, fourth, sixth, eighth, and tenth joints with a 
whitish ring at their bases. Thorax black, with three ashy- 
tawny longitudinal lines on each side; the sternum and the 
sides above the coxae also tawny- ashy : on the surface near the 
base are two distinct punctures, besides the row along the 
hind margin. Elytra moderately elongated and tapering, deep 
brownish black, covered with little oblong tawny-ashy spots, 
which are collected together irregularly in some places, leaving 
small spaces of the ground-colour ; the apex has a hoary spot. 
Body beneath tawny-ashy; abdomen spotted (as in the allied 
species) with black. Legs blackish, spotted with grey. 
$ . Terminal ventral plate simply sinuate-truncate, angles not 
produced; dorsal plate narrower, emarginate at apex. 
Branches of dead trees, Para. 
