4G0 Mil. J. S. BALY ON GENEEA AND SPECIES 



Head rotundate ; vertex and front coarsely punctured, the 

 former, together with the upper portion of the latter, rugose ; 

 antennae longer than the body in both sexes, slender, filiform, 

 piceo-fulvous, the basal joint stained above with piceous, the 

 third and fourth equal in length, the fifth and following joints 

 each rather longer than the fourth, nearly equal ; eyes deeply and 

 narrowly notched. Thorax twice as broad as long at the base ; 

 sides rather broadly margined, subparallel and slightly rounded at 

 the base, obliquely converging from behind the middle to the 

 apex, all the angles acute ; basal margin slightly bisinuate on 

 either side, the median lobe broadly truncate; upper surface 

 convex, subcylindrical in front, impressed here and there with 

 rather coarse punctures. Scutellum wedge-shaped, its apex 

 broadly truncate. Elytra not broader than the base of the 

 thorax, oblong ; sides parallel, moderately lobed at the base ; 

 above convex, abruptly elevated round the scutellum, coarsely 

 punctured, the punctures piceous, placed irregularly on the 

 anterior half of the disk, irregularly arranged in longitudinal rows 

 on the hinder half; interspaces coarsely transversely wrinkled, 

 those between the longitudinal strige slightly convex. 



Ehombostebnus antennatus. Elongatus, angustatus, sub- 

 cylindricus, piceo-fulvus, nitidus, subtus (pedibus epipleurisque 

 exceptis) flavus ; thorace sat fortiter, subcrebre punctato ; elytris 

 subfortiter, confuse punctatis, punctis ad apicem striatim dis- 

 ])ositis ; interspatiis leviter transversim rugulosis, apicem versus 

 prope suturam longitudinaliter convexiusculis. $ . .Long. 2| lin, 



Hob. North-western Australia. 



Head rotundate ; vertex and front rather closely punctured ; 

 the latter impressed between the upper portion of the eyes with a 

 faint longitixdinal groove ; antennae very slender, filiform, longer 

 tlian the body, third and following joints elongate, the fourth 

 shorter than either tlie third or fifth ; eyes deeply notched. 

 Thorax twice as broad as long ; sides distinctly margined, roiinded 

 and cinverging from base to apex ; hinder angles acute, the 

 anterior armed with a small lateral tooth ; basal margin slightly 

 concave on either side, its median lobe biemarginate ; upper 

 SLU'face convex, not obliquely depressed on either side, coarsely 

 but not very deeply punctured, interspaces very smooth and 

 shining ; basal margin narrowly edged with piceous. Scutellum 



