22 E. Bergrolh : 



third ventral segiuout or (usually) roac-liing base of fourth. Pro- 

 ruttum with the someAvliat sinuate lateral margins finely serrulated 

 from apical angle to beyond middle, the short humeral spines 

 directed outward. Hemelytra passing apex of abdomen. Abdomen 

 l)eneath In'oadly ]>ut not deeply grooved from its base to apex of 

 fifth segment; apical margin of male genital segment on each side 

 with tAvo subconical i>rocesses separated by a deep incision, the 

 middle of the margin with a short triangular process preceded by 

 two tiibercles and not reaching the apex of the two acute convergent 

 appendages wliicli protrude from tlie interior of the segment; last 

 female ventral segment at middle of apical margin and female 

 genital lolxjs palely setose. Length (excel, membrane), ^ ? 20 — 

 22 mm. 



Var. : membrane whitish hyaline, its basal border brown. 



Bagot's Creek ; Alice Springs ; River Finke near Horse-shoe Bend ; 

 Stevenson R.; Dalhouse Springs. 



A very distinct species to be placed in Stal's group d. The 

 males of this species are not smaller than the females. 



8. EUMECOPUS HORNI, n. Sp. 



Elliptical, ochraceous, six percurrent longitudinal punctulate 

 stripes to upper side of head brownish ferruginous, lateral borders 

 of pronotum (excluding extreme margins from apex to beyond 

 middle), a percurrent median pronotal vitta, lateral areas of 

 scut^llum (except middle part of maigins), a subangular vitta 

 behind middle of mesocorium, and connexivum black, the lattei* 

 with a few small sulx-onfluent spots at base and apex of the segments, 

 the lateral margins and apical angles ochraceous; mend>rane 

 fuscous, basal and exterior borders black, the veins greyish Avhite ; 

 pronotum. scutelhua, and corium punctured with dark fuscous, 

 more thickly and confluently so on pronotum and scutellum, pro- 

 notal cicatrical areas almost impunctate and emitting an impunctate 

 streak to the apical margin, scutellum with an oblong callose spot 

 near basal angles and a smaller basal median spot impunctate, the 

 apical half of its postfrenal pai't very sparingly almost concolorously 

 punctulate ; head lx;neath on each side with three fuscous longitu- 

 dinal bands, the outermost in its basal half broader and partly 

 visible from above, the two inner ones narrow and composed of 

 close-set punctures; pleurae and venter punctured with fuscous, the 

 latter witli the l)road lateral borders (not quite reaching the 

 spiracles) and three discal longitudinal bands impunctate, a per- 



