560 XEW SPECIES OF AUSTRALIAN COLEOPTERA 



M. (BuLENiDEs) Froggatti, Macl. Hab. — Barron Falls, Q. 



M. (Xylobanus) ater, Macl. Hah. — Barron Falls. 



M. (Xylobanus) ampliatus, Macl. Hah. — Barron Falls. 



M. (Tkichalus) Raymondi, Lea. Hah. — Forest Reefs. 



j\[. (Trichalus) ampliatus, Waterh. Hab. — Brisbane, Q. ; 

 Tweed, Richmond and Clarence Rivers, N.S.W. 



M. (Xantheros) nubicollis, Fairm. Hab. — Queensland. 



Calochromus amabilis, n.sp. 



(J. Black; basal two-thirds of elytra of a reddish-orange colour; 

 apical third violet-black, the markings briefly triangularly pro- 

 duced on suture, mandibles testaceous. Elytra densely clothed 

 with short pubescence similar in colour to the derm on which it 

 rests; legs and antennfe with short greyish pubescence, elsewhere 

 almost imi^ubescent and shining. 



Head minutely punctate; a feeble longitudinal impression on 

 vertex, increasing to a deep groove between antenna?. Antennaj 

 extending to apical marking on elytra; thick; 1st joint shorter 

 than 2nd-3rd, these small especially the 2nd, 4th- 10th subequal, 

 slightly serrate internally, 11th elongate. Prothorax slightly 

 wider than head, transverse; base and apex almost truncate, sides 

 feebly incurving to middle, base slightly wider than apex; disc 

 with a deep elliptic impression open at apex and less noticeably 

 so at base, sides concave, margins thick. Scutellmyi briefly 

 oblong, sides and apex straight, longitudinally grooved. Ehjtra 

 wider than prothorax, feebly increasing to near apex, minutely 

 punctate, regularly striate; each with about twelve regularly 

 convex interstices. Penultimate segment of abdomen deeply 

 incised. Length 5§, width 1| mm. 



Q. Differs in having the head and prothorax less transverse, 

 antennae less distinctly serrate, and abdomen simple. Length T^i, 

 width 2i mm. 



Hah. — -Sydney; four specimens obtained under the bark of an 

 old stump. 



