Mr. F. P. Pascoe on some new Australian Longicornia. 361 
being made to define the genus itself—merely the remark that it was 
allied to Ceregidion, Boisd. The above characters I have drawn up 
from M. Arachne, which is the nearest ally to MW. senex—a species I 
do not possess. The genus is a very distinct one, belonging to the 
Dorcadionine, remarkable for its eyes being pointed beneath, and its 
closely approximate antennee. The head, from its rounded front and 
cheeks, looks like a rabbit’s. The palpi are short and rather broadly 
truncate in M. Arachne, long and just bluntly pointed in M. amyc- 
teroules. The eyes are more or less finely granulated. The body, 
in most of the species, is covered with little, short, flat scales, as in 
the Curculionide, to one group of which, the Amycterine, this 
genus bears an extraordinary resemblance ; but in MW. Arachne the 
scales are narrower and longer, scarcely differing from true hairs. 
The prosternum varies as to amount of elevation according to the 
spines: the females are larger and stouter than the males. 
Microtragus Arachne. 
M. pubescens, nigro setulosus; prothorace rugoso-punctato ; elytris gri- 
seo-murino variis, atro maculatis, carina discoidali postice suturam 
versus obsoleta. 
Hab. Western Australia (Mr. Du Boulay). 
Rather coarsely pubescent with scattered black setulose hairs; head 
dark brown, with short greyish hairs and a few large punctures in 
front; prothorax dark brown, coarsely punctured, the lateral tooth 
hooked backwards at its point; scutellum very small, triangular ; 
elytra pale lemon-yellow, the suture darker, tessellated with large black 
spots, the two carine entire and well marked, the apex of each elytron 
slightly rounded; body beneath sparsely covered with flat whitish 
hairs; legs and antennz clothed with a mostly whitish scaly pubes- 
cence, with numerous black sete intermixed, Length 7 lines, 
Microtragus Mormon. 
M. dense griseo squamulosus ; prothorace late ovato, disco leviter punc- 
tato ; elytris carina discoidali integra, carina externa serrata, apice sin- 
gulorum rotundato. 
Hab. The Murray River, South Australia (Mr. Odewahn). 
Closely covered with minute greyish scales; head with a strongly 
marked line on the vertex, extending to the epistome, and deeply cleft 
thorax squatus, ad latera rotundatus. Hlytra brevia, parallela, lineis elevatis 
instructa. Pedes postici elongati ; femora clavata; tarsorum posticorum arti- 
culo basali duobus sequentibus simul haud longiore. Pro- et meso-sterng 
elevata, hoc antice productum. Corpus depressum, sparse hirsutum. 
In the Australian insect-fauna, this genus will stand after Typhocesis, 
(5) >) 
eDiee 
