132 Mr. G. C. Champion's Revision of the 



D. lyciforme and D. ochraceum simply difier in the 

 colour of the upper surface, hke many other (Jhauliognathnae, 

 and they cannot be treated as distinct. A male of each 

 has been dissected, and they prove to have the aedeagus 

 precisely similar in structure. Twelve examples have been 

 examined, and there are others from S, America in the 

 British Museum that probably belong to the same species. 

 The so-called variety of D. ochraceum, from Bugaba, noted 

 by Gorham (loc. cit. p. 277), is a perfectly good species, 

 and it has recently been named D. lineatum by Pic. 



2. Daiphron personatum, n. sp. (Plate III, fig. 2, ^.) 



^. Elongate, widening posteriorly, black, the prothorax (two 

 sinuous mesially coalescent vittae on the disc excepted) and the 

 elytra to beyond the middle (an oblong spot near the suture at 

 the base excepted) reddish-ochraceous, the apical portion of the 

 latter nigro-violaceous, the abdomen ochreous, with the aedeagal 

 cap infuscate, the femora above and the tibiae in part fusco-tes- 

 taceous. Head rather small, obliquely narrowed beliind the eyes, 

 the latter rather prominent; anteimae long, tapering towards the 

 tip, joints 4-10 moderately widened, 3 barely half the length of 4. 

 Prothorax opaque, transverse, rounded at the sides and sinuate 

 at the base, the angles completely effaced, the lateral and apical 

 margins broadly, and the basal margin narrowly reflexed, the disc 

 sulcate down the basal half and deeply excavate towards the sides. 

 Elytra somewhat sliining, at the base of about the same width as the 

 prothorax, and widened from a little below the tumid humeri to 

 near the apex, the apices broadly rounded; densely, rugulosely 

 punctate, with two distinct dorsal costae and a similar raised line 

 towards the outer margin. 



(J. Aedeagus : median lobe long, strongly curved ; left lateral lobe 

 long, broad at the base, and then abruptly narrowed and arcuate 

 to the tip, the latter slightly hooked ; right lateral lobe much shorter 

 than the left, compressed, bent outwards, and distinctly hooked at 

 the tip. Plate IV, figs. 2, 2a. 

 Length (excl. head) ISJ mm. 



Hah. Honduras {Dyson, in Mus. Brit.). 



One male, received by the British Museum in 1845. A 

 remarkably distinct form, separable at once from D. 

 lyciforme by the strongly rounded sides of the prothorax, 

 the rather shining, distinctly tricostate elytra, and the 

 more slender antennae. The black mark on the disc of 

 the prothorax is H -shaped. 



