54 



The large eyes (although occupying less of the head than 

 in other genera), large and almost parallel-sided metasternal 

 episterna, separating the hind coxae from the elytra, and the 

 pectoral canal indicate that this genus belongs to the Zygo- 

 pides; although the side pieces of the mesosternum are sug- 

 gestive of the Baridiides (as they are also in Metialma). In 

 Pascoe's table of the Zy go pides, if the pectoral canal is 

 regarded as being limited behind it would be placed with 

 Nyphceba, which has coarsely faceted eyes, pectoral canal as 

 in Idotasia, and is otherwise different. Regarding the canal 

 as being gradually effaced behind, it would be placed with 

 Telaugia, which has linear femora and is otherwise different. 



The walls of the pectoral canal behind the front coxae 

 appear to belong to the mesosternum, and it is only when 

 the prothorax has been separated from the body that their 

 true location can be proved, when they appear like two tri- 

 angular flanges. Somewhat similar processes are to be seen 

 in Mechistocerus and Aonychus of the Gryptorhynchides. The 

 pygidium is distinct on four of the specimens under exam- 

 ination, but concealed on two others. 



Temtalma suturalis, n. sp. 



Black; tip of rostrum and tibiae dull-red, femora darker, 

 tarsi and antennae paler. Clothed with mixed black-and-white 

 depressed setae ; suture with two distinct spots of yellowish 

 setae, one beyond the middle, the other (and smaller one) 

 apical ; rostrum glabrous, except about base. 



Head with dense and rather small, clearly-defined punc- 

 tures. Rostrum shining ; apical half with a few small punc- 

 tures at sides ; basal half with two shallow grooves on each 

 side, and with fairly numerous punctures on sides. Prothorax 

 about once and one-fourth wider than long, sides moderately 

 rounded ; punctures as on head, but slightly larger. Elytra 

 not much longer than wide, base trisinuate, sides nowhere 

 parallel, suture strongly depressed towards base and slightly 

 elevated towards apex ; narrowly striate, the interstices with 

 dense punctures as on head. Under surface with small dense 

 punctures. Front femora very strongly dentate, the teeth 

 compressed, the other femora with somewhat smaller but more 

 acute teeth. Length, 3|-4J mm. 



Hab. — Queensland : Endeavour River (Macleay Museum). 



A larger percentage of the clothing is white on the under- 

 than on the upper-surface. The apical half of the suture 

 is densely clothed, but the clothing between the yellowish 

 spots being of the same colour as the derm, is not conspicuous. 



