A revision of the tribe Gonocerini from Australia (Hemiptera: Heteroptera: Coreidae: Coreinae) Author Brailovsky, Harry text Zootaxa 2007 1530 1 18 journal article 10.5281/zenodo.177705 5f3a7767-9677-4df0-b50c-0d674bf612fe 1175-5326 177705 Key to the known australian gonocerini * 1. Costal margin of corium smooth, unserrated; space between each hind coxae 1 to 1.5 times diameter of one coxae; posteroventral edge of male genital capsule with prominent medial plate ( Figs. 17–18 ); head pentagonal, elongate (Figs.10,15) ................................................................................... Plinachtus Stål ... 2 1’. Costal margin of corium crenulate to serrate; space between each hind coxae less than 0.7 times diameter of one coxae; posteroventral edge of male genital capsule without median plate ( Fig. 20 ); head subquadrate, obliquely bent( Figs.11–14 ).................................................................................................................. 3 2. Humeral angle’s tapering into short acute spine ( Fig. 3 ); antennal segment I somewhat triquetral; antennal segment III narrowly elliptical and expanded ( Fig. 1 ); rostral segments I and II pale yellow, III and IV shiny orange; costal margin of corium with a pale yellow longitudinal stripe .................... P. melinus n. sp. 2’. Humeral angle’s projection remarkably large and acute ( Fig. 4 ); antennal segment I not triquetral; antennal segment III cylindrical, not apically expanded ( Fig. 2 ); rostral segment I yellow, II black with basal joint yellow, III–IV black; costal margin of corium without pale yellow longitudinal stripe ....................... ........................................................................................................................................... P. refulgens n. sp. 3. Posterior angles of connexival segments IV–V produced into short subacute projection; connexivum conspicuously raised above tergum; outer border of antenniferous tubercles always armed ( Fig. 11 )............... .................................................................................................................................. Cletomorpha Mayr ... 4 3’. Posterior angles of connexival segments obtuse, not produced; connexivum not conspicuously raised above tergum; outer border of antenniferous tubercles usually unarmed ..................................... Cletus Stål ..................................................................................................................................................................... 5 4. Total body length shorter than 6 mm ; corium lacking transverse whitish callose band; humeral angle tapering into medium-sized acute spine ( Fig. 6 ) ............................................................... Cl. saphisa n. sp. 4’. Total body length larger than 8 mm ; corium with wide transverse whitish callose band; humeral angle tapering into large acute spine ( Fig. 5 ) .................................................................... Cl. mackayensis Distant 5. Outer border of antenniferous tubercle armed with short acute spine; antennal segment IV fusiform, elongate; apical third of tibiae and tarsi shiny reddish; apical edge of corium lacking ivory to whitish discoidal spot; humeral angle tapering into large acute spine ( Fig. 8 ) .................................................. C. saucius Stål 5’. Outer border of antenniferous tubercle unarmed; antennal segment IV subclavate, shorter; apical third of tibiae and tarsi not shiny reddish; apical edge of corium with ivory to whitish discoidal spots; humeral angle obtuse or subacute or with medium-sized spine ( Figs. 7, 9 ).............................................................. 6 6. Humeral angle obtuse or tapering into short subacute spine ( Fig. 9 ); head and pronotum with wide black to reddish brown stripe, this usually reaching base of scutellum .......................................... C. similis Blöte 6’. Humeral angle tapering into medium-sized acute spine ( Fig. 7 ); head and pronotum with indistinct black stripe ................................................................................................................................... C. minutus Blöte