194 



titer costatis, lateribus antice serrulatis. Long., 1^1.; 

 lat, il. 



The head does not differ much from that of D. perforata. 

 The thorax is a little wider than long, very little narrowed 

 hindwards, the middle part of its anterior margin being roundly 

 and gently produced ; the sides are distinctly and rather 

 finely serrate, and not distinctly explanate except at the ex- 

 treme front, where they become so in the form of a kind of 

 small lobe, which projects obliquely forward and outward ; 

 the surface is obscurely areolate, being intersected by some 

 obscure ridges, between which the spaces are a little hollowed 

 out. Between the suture and lateral margin, each elytron bears 

 four strong costse, of which the first and fourth meet close to 

 the apex, and the second and third meet a little in front of the 

 apex. There are two rows of punctures in each of the spaces 

 between the costae. 



I possess a single specimen of this minute insect ; it was 

 taken at Woodville. 



D.liilaris, sp. nov. Sat depressa ; elongata ; picea vel piceo- 

 nigra ; capite antice, prothoracis lateribus, elytrorum 

 maculis nonnullis, antennis, palpis, pedibusque, rufis ; 

 prothoracis lateribus explanatis baud serrulatis antice 

 productis ; elytris costatis, interstitiis biseriatim punctu- 

 latis. 



Head as in the preceding two species. Thorax rugosely but very 

 closely and rather finely punctured, disc depressed, the depressed 

 space being margined on either side by a very obscure elevated 

 ridge. These ridges commence near each other on the anterior 

 margin, run back a very short distance parallel to each other, 

 then turn outward and describe a semicircle returning to their 

 original distance apart at a point about two-thirds the length of 

 the thorax from the anterior margin, and thence run parallel to 

 the base, so that the depressed discal space is parallel-sided 

 near the anterior margin, and near the base and is almost 

 circular in the middle. Between these discal cost?e and the 

 lateral margins there is on either side another costa nearly 

 parallel to tlae margin. The sides of the thorax are narrowly 

 explanate and nearly straight ; the front margin is in the middle, 

 rather strongly elevated and arcuately produced and the ex- 

 planate margins are produced forward, so that the front out- 

 line of the thorax is strongly bisinuate. The thorax is quite 

 strongly transverse and scarcely wider in front than behind. 

 There are four fine and not very conspicuous costae on each 

 elytron ; the first commences at the base some distance from 

 the suture and runs obliquely to the suture which it nearly 

 joins at a distance from the base of about a third of the length 



