178 Mr. C. J. Gahan’s notes on the 
22. Bethelium Blackburni, sp. n. 
Fusco-ferrugineum, sparse setosum ; abdomine elytrisque piceo- 
nigris, nitidis, his utrinque fasciis duabus angustis flavescentibus, 
una ante medium angulata, altera pone medium obliqua, suturam 
nec attingentibus; prothorace basi angustato, disco crebre sed fere 
obsolete punctulato ; elytris a basi usque ad fasciam posteriorem 
dense punctato, deinde ad apicem fere impunctatis; antennis 
quam corpore vix longioribus, articulo 80 quam 1o vel 40 manifeste 
longiori, articulis 50\—9um subequalibus, utrisque quam tertio vix 
brevioribus. Long. 9 mm. 
Hab. Tasmanta: Hobart (Walker). 
In general form, structure of the prothorax, &c., this species 
resembles B. signiferwm, Newm., but may be easily distinguished 
by the markings on the elytra. These consist of two narrow yellow 
bands on each side, one of which, placed nearly midway between 
the base and the middle of the elytron, is distinctly angulate ; ‘the 
other, just behind the middle, runs obliquely inwards and forwards 
across the elytron from its outer margin, but does not reach the 
suture ; the whole of the elytron in front of this band is thickly 
and distinctly punctured, that portion between it and the apex is 
very minutely and very sparsely punctulate. The antenne differ 
from those of signiferwm in that the joints succeeding the fourth 
are each rather shorter instead of longer than the third. The pro- 
thorax also is slightly longer in proportion. The single example 
of this species, taken by Mr. Walker, probably belongs to the 
female sex. 
The British Museum collection contains a specimen 
from Australia very similar to the one just described, 
but with the prothorax and elytra more reddish in colour, 
the posterior band of the elytra somewhat broader, the 
femora less abruptly clavate, the antenne slightly longer, 
and having the third joint furnished at its outer ex- 
tremity with a rather long slender spine. This specimen 
doubtless belongs to a distinct species, but it would be 
going too far, | think, to consider it generically dis- 
tinct. 
I have named the above species in honour of the Rev. 
Mr. Blackburn, who is doing such excellent work in 
extending our knowledge of the coleopterous fauna of 
Australia. 
The description of Bethelium tricolor, Blackb., applies 
so well to Hetosticta simillima, White, that I strongly 
suspect the identity of the two species. The latter was 
