230 Proceedings of the Royal Society of Victoria. 



Stenoderus. 



Mr. Gahan (Tr. E.S. Lond., 1894) furnishes some interesting 

 remarks on this genus, referring especially to the peculiar 

 sculpture of its head. In the course of those I'emarks he 

 discusses F. quietus, Newm. (a Queensland species) and says 

 that without having seen it he suggests the possibility of its 

 being a var. of 6". suturalis, Oliv. I have in my collection an 

 example of the insect in question and can say decidedly that 

 it is a good species, as the sculpture of its prothorax is quite 

 different from that of suturalis. In the latter the hind part of 

 the prothorax is much more abruptly than in quietus distinguished 

 from the narrow front part and bears 5 distinct tubercles (a 

 central large and feeble one, an anterior pair smaller but 

 stronger, and a hind pair similar to the anterior pair but placed 

 further apart), while in quietus the corresponding area can be 

 called at most "feebly uneven," its unevenness being scarcely 

 more than the result of a short longitudinal sulcus in front of 

 the middle, on either side of which the surface is slightly gibbous. 

 The following species is stated by Lacordaire to be identical with 

 Stenocorus lepiuroides, Boisd., and also with Rhagiomorpha sordida, 

 Newm., and therefore (its name being older than either of theui) 

 to be the type of the genus Rhagiomorpha. Through the good 

 offices of Mr. Masters I have before me a specimen found (by 

 comparison with the type in the Macleay Museum) to be Stenoderus 

 concolor. It does not belong even to the genus Rhagiomorpha 

 but is congeneric with Stenoderus suturalis, Oliv., and is closely 

 allied to vS". quietus, Newm. As Mr. Macleay's description is 

 unsatisfactorily brief, I venture to re-describe the insect as 

 follows : 



S. cotico/or, W. S. Macleay. Testacea, elytris stramineis, meso- 

 et metasternis abdomineque inf uscatis ; antennis elongatis sat 

 gracilibus ; prothorace ante medium constricto, haud punctulato, 

 supra late obtuse imequali nee per-spicue tubereulato ; elytris 

 lineis elevatis dorsalibus 4 bene delinitis instructis. 



Long. 6 1. Lat. \\\. 



Near S. quietus, Newm., but ditlering from it in colour [the 

 under surface being quite destitute of iridescence and (in its 

 darkest part) of a smoky brown colour, the antennte scutellum 



