the Australian Longicornia. 547 



punctures between the eyes ; antennas rather shorter than the 

 body, the second joint about one-third the length of the first, the 

 third twice as long as the first but shorter than the fourth ; 

 prothorax rather broader than long, the sides evenly rounded, a 

 few scattered punctures on the disk ; scutellum transverse ; elytra 

 with a few almost obsolete whitish spots, coarsely punctured in 

 rows, which have an oblique direction at the base, the apex of 

 each obtusely angular ; body beneath and legs covered with a very 

 fine pubescence. 



Length 4 lines. 



In the Society's Transactions I have described several species 

 of this genus, but one or more of them may prove to be 

 identical with some of those described by Mr. Newman under the 

 name of Pierolophia (Entom. pp. 370, 380). From his descrip- 

 tion, however, I think Pterolophia may be referred to Praonetha, 

 Blanch. He describes the antennae as having the first and third 

 joints of equal length, the fourth rather shorter. This is the 

 character of Praonetha, while in Ropica the first joint is frequently 

 not half as long as the third, and this is sometimes shorter than 

 the fourth. It may be added that in the former genus the first 

 joint is elongated and cylindrical, or even thicker towards the 

 apex, while in Ropica it is short and more or less ovate. It is 

 possible that Ropica may have to be divided, in one division the 

 species being somewhat depressed and navicular in outline, like the 

 one described above, the other more convex and approaching 

 Praonetha in its shorter and more compact form. But in all these 

 characters, — and the remark will apply generally to the Longi- 

 cornia, — there are gradations that render an absolute limitation im- 

 possible. 



2. Ropica geminata, 

 R. pube fulvo-grisea vestita ; prothorace vittis duabus fuscis ; 

 elytris circa scutellum, plagisque lateralibus fuscis, regione 

 suturali maculisque duabus pone medium albis, apice acute 

 angulatis. 

 Sydney. 



With a close, bufRsh-grey pubescence ; head with a narrowly 

 impressed line in front ; antennae longer than the body, the fourth 

 joint considerably longer than the third ; prothorax rather broader 

 than long, the sides rounded but slightly irregular, the disc 

 marked with two brown stripes ; scutellum transverse ; elytra 

 slightly elongate, the apex of each acutely angular, the disc 



