Mr. W. L. Distant on Australasian Pentatomida?. 601 



Mochus fortis, sp. n. 



Head and pronotum testaceous, coarsely darkly punctate; 

 basal area of head, basal marginal area of pronotum (in- 

 cluding the lateral angles), and the areas of the pronotal 

 cicatrices black, the anterior half of the pronotal lateral areas 

 subhyaline, talc-like ; scutellum black on basal and ochi'a- 

 ceous on apical area, both coarsely punctate, the middle 

 disk macularly stramineous and impunctate ; corium pale 

 testaceous, thickly, coarsely, darkly punctate, the apical area 

 distinctly paler, and a levigate ochraceous spot on posterior 

 disk ; membrane greyish, the longitudinal veins prominent ; 

 body beneath and legs ochraceous, sternum and submarginal 

 areas to abdomen more or less castaneous, apical margin 

 black ; sternum coarsely punctate ; other structural characters 

 as in generic diagnosis. 



Long. 8^ mm. ; exp. pronot. augl. 6^ mm. 



Hab. Queensland (F. P. Dodd, Brit" Mus.). 



Hiarchas, gen. nov. 



Head a little longer than broad, narrowed anteriorly, the 

 central lobe slightly longer than the lateral lobes, which are 

 outwardly moderately sinuate and reflexed ; eyes not pro- 

 jecting beyond the anterior angles of the pronotum ; ocelli 

 nearer eyes than to each other ; antennae robust, first joint 

 passing apex of head, second longest, third, fourth, and fifth 

 almost subequal in length, but fourth and fifth distinctly 

 incrassate j pronotum about half as long as width at base, 

 the lateral margins oblique, slightly rounded, a little reflexed, 

 anterior margin strongly concave for the reception of the 

 head, lateral angles subangularly rounded, posterior margin 

 truncate before scutellum, posterior angles a little obliquely 

 rounded ; scutellum longer than broad at base, distinctly 

 narrowed at about one-third before apex ; corium about as 

 long as pronotum and scutellum together, at base of lateral 

 margins a little ampliate, apical margins oblique, slightly 

 sinuate ; membrane passing abdominal apex ; rostrum robust, 

 extending to between the anterior and intermediate coxae, 

 bucculae elevated, first rostral joint short, not extending 

 beyond apical half of head, second about reaching base of 

 head, third extending to the anterior coxae ; presternum 

 broadly sulcate, ventral spine scarcely or slightly passing the 

 auterior coxae ; tarsi two-jointed. 



Type, H. crassicornis, Walk. 



Ann. & Mag. N. Hist. Ser. 8, Vol. vi. 40 



