238 YNGVE SJÖSTEDT, ACRIDIODEA AUSTRALICA. 



flavo-eburneis, inter sulcum primum et secundum macula nulla; latera thoracis in- 

 fuscata flavo variegata, ante tympanum nigra; femora postica flavida apice infuscato, 

 annulo anteapicali indum nigro; area externomedia dimidio superiore infuscata, area 

 inferointerna maxima parte rubra; tibia? postica? glauca? ima basi nigra?, annulo ante- 

 basali extus fusco terminato pallido, interdum annulo antebasali fusco; spina? nigra?, 

 majores basi albida?; elytra opaca ner vis brunneis, maculis parvis singulis indistinctis; 

 alce hyalina? nervis basi exceptis fuscis, apice leviter fusco adumbrata?. 



?: Long. c. elytr. 29, ant. 7, pron. 4, elytr. 21, fem. post. 15, tib. post. 14 mm. 



Patria. N. Australia: Alexandria (Stalker) cTcT, ??, typ., Brit. Museum et 

 Stockholm. 



Eiimacrotona curvicostalis n. sp. 



ef: Costa frontalis os versus sensim leviter ampliata et grosse impresso-punctata, 

 ad ocellum leviter impressum ; fastigium rotundatum punctis in lineis duabus positis, 

 utrinqne punctis compluribus; fastigium supra circulariter impressum, cavum postice 

 apertum: vertex teretiusculus; antennce filiformes antrorsum sensim leviter ampliata?; 

 pronolum antice rectum, postice late curvum; carina? tres, externa? leviter incurva?, 

 in lobo postico obliterata?, omnes sulcis tribus secta?, sulcus primus earum in lateribus 

 extinctus, sulcus primus pronoti modo in lateribus explicatus; margo inferior medio 

 produetus; lobus anticus subglaber, lobus posticus supra indistincte, in lateribus valde 

 impresso-punctatus; spatium inter sulcos posticos in medio pronoti situm; tuberculum 

 prosternale compressum apicem versus sensim distincte ampliatum antice levissime 

 cavum, postice levissime curvum, a supero visum subrectum, margine apicali leviter 

 incurvo; lobi meso- et metasternales subcontigui; segmentum ultimum dorsale medio 

 fissum marginibus curvis nigris produetis; lamina supraanalis lata, sensim angustata; 

 cerci cylindrici leviter compressi et incurvi, basi ampliati, apice oblique truncati, 

 apicem abdominis non attingentes. 



La?te testacea; facies, latera pronoti pedesque (postici desunt) flavo tincta, tibia? 

 leviter glauco adumbrata?; latera thoracis partim nigra; antennce fusco adumbrata? 

 basi flava?; elytra opaca nervis testaceis margine antico coeruleis, basi flavo tincta?; 

 alce hyalina? venis leviter coeruleis, in campo humerali partim testaceis. 



ef: Long. c. elytr. 24, corp. 20, pron. 3.1, elytr. 17 mm. 



Patria. N. Australia: Alexandria (Stalker) 1 ef typ. Brit. Museum. 



Gen. Macrotona Brunn. 



Brunnee, Ann. Mus. Genova XXXIII, p. 142 (1893); Sjöst., Arkiv för Zool. Bd. 12, N:o 20, p. 20. 

 57 (1920). 



Genotypus : Macrotona Mjöbergi Sjöst. 



Macrotona Miöberjri Sjöst. 

 Macrotona Mjöbergi Sjöst., Arkiv för Zool. Bd. 12, N:o 20, p. 57. <?$, Fig. 9 $ (1920). 

 Habitu et colore Eumacrotonce australi valde similis sed pronoto postice pra?seriiin 

 in $ recte truncato differt. 



