358 ON THE AUSTRALIAN BEMBIDIIDES, 



kk: Elytra quinquestriate on each 

 side of suture, margin of pro- 

 thorax plurisetose near an- 

 terior angles T. seti(:olli>i, SI. 



jj. Lateral basal foveoe of prothorax 

 concave, divided from lateral 



border by a raised space T. flindersi, BIkb. 



jjj. Posterior angles of prothorax 

 forming the apex of a triangular 

 marginal process. 

 I. Colour piceous red, elytra with 



testaceous ante-apical maculte T. semistrlatus, Blkb. 



//. Colour black T. habitans, SI. 



II. Elytra with submarginal stria obsolete on sides. 



M. Form short, very convex; prothorax not 



perceptibly narrowed to base; elytra Itevi- 



gate, unistriate on each side of suture T. ovatus, Macl. 



MM. Form varying, prothorax evidently 



narrowed to base. 



N. Head impunctate, frontal impressions 



deep, oblique (converging anteriorly); 



third interstice of elytra bipunctate on 



disc. 



o. Elytra with six rcws of strong punc- 

 tures on each side of suture T. mUcheUi, SI. 



00. Elytra with three or four punctulate 



strise on each side of suture T. australicus, SI. 



NN. Head punctate, fr.mtal impressions 

 long, deep, narrow, parallel. 

 p. Surface of prothorax impunctate T. leai, SI. 

 pp. Surface of prothorax minutely 



and rather densely punctulate T. murrumbidgensis, SI. 

 NNN. Head impunctate, frontal im- 

 pressions wide, shallow. 

 q. Each elytron bipunctate on disc, 



recurved striole of apex obsolete T. captus, Blkb. 

 qq. Each elytron unipunctate on disc 

 r. Elytra more or less distinctly 

 striate on disc, recurved striole 

 of apex well marked. 



