354 DESCRIPTIONS OF NEW SPECIES OP AUSTRALIAN COLEOPTEEA, 



Hetebomastix onsoORUS, n. sp. (Test-fig-s. A, B.) 



c?. Dark chocolate brown, some parts black, parts of leg's obscurely paler. 

 Clothed with ashen pubescence. 



Kead rather large; eyes small. Antennae stout, first joint about twice the 

 length of second but scarcely longer than third, fourth to ninth each slightly 

 longer than wide, tenth and eleventh irregidar. Prothuraa- almost twice as wide 

 as long; margined throughout. Elytra almost parallel-sided throughout; with 

 dense and minute, but usually sharply defined punctures. Subapical segment of 

 abdomen deeply incised. Length, 6 mm. 



Hub. — New South Wales: Forbes, unicjue (H. J. Carter from A. Stephens). 



A fairly wide species, readily distingiiished from all others with terminal 

 joints of antennae distorted, by its almost uniformly dark-ln'own colour; the 

 antennae are somewhat thicker than in II. gagaticeps, and //. flavifroiis^ and 

 the terminal joints are of different shape. The tenth joint is somewhat wider 

 than the ninth and longer on one side than on the other, the eleventh is about 

 as long as the ninth and tenth combined, produced into a short process at the 

 base on to the shorter side of the tenth, and constricted neai' the middle. 



A.B. Terminal joints of antennae of Heteroniasiix obscurus. 

 C.D.E. „ „ ., //. miius. 



Hktbroiiastix mirus, n. sp. (Text-fig^. C, 1), E.) 



J. Black; muzzle, prothorax, leg's (parts of hind and of middle femora in- 

 I'u&cattd), and antennae (four or five median joints slightly iufuscated) llavous. 

 With short, aslicn pubescence. 



Head obli(iU('ly (lattened or very gently convex in front, with two f('C'l>le 

 iuter-ocular iniinrssions. Antennae moderately long, first joint a.s long ;i.s second 

 and third combined, second more than hall' the length of third, sixth to ninth 

 transverse and slightly pi'oduced mi one side, tenth and eleventh distorted. Pro- 

 tlwrax almost twice as wide as long, sides dilated and slightly thickened near 

 apex. Elytra parallel-sided to near apex; with dense and line, subrugulose punc- 

 tures. Leng'th, 3.5 nun. 



