216 YNGVE SJÖSTEDT, ACRIDIODEA AUSTBALICA. 



$ (typus): Caput glabrum; costa frontalis os versus sensim leviter ampliata, 

 medio paulo sulcata, basi vix impresso-punctata; fastigium supra planiusculum, margine 

 antico leviter elevato late arcuato; vertex leviter convexus; antennce lineares; prono- 

 tum supra planiusculum, fulvo granulosum, carina media distincta, perfecta, sulcis 

 tribus secta, sulcus posticus paulo post medium situs; pronotum antice leviter curvum, 

 postice productum angulum valde obtusum et rotundatum formans; margo anticus, 

 medio excepto, et latera lobi postici minutissime punctata et granulosa; lat era inter 

 sulcos subglabra; carina? laterales rugulis interruptis in lineam positis levissime indi- 

 cata?; tuberculum prosternale ab antico-posticoque compressum, postice planum, apice 

 late rotundato; intervallum loborum mesosternalium leviter transversum, antrorsum 

 leviter angustatum; lobi metasternales valde distantes; costa superomedia femorum 

 posticornm serrata postice in spinam acutam producta, costa? cetera? glabra?; lobi 

 geniculares apice rotundato. 



Brunnescente testacea; vertex supra vitta rufobrunnea, medio linea flavida; 

 antenna? testacea?; pronotum supra rufobrunneum, carina mediana et vitta lateralis 

 utrinque brunnescente testaceae; lobi laterales pronoti fulvi, inter sulcos infuscati; 

 femora postica supra fusco triplagiata; area externomedia maculis 2 — 3 elongatis 

 fuscis; tibia? postica? subtus leviter fusco adumbrata?; spina? apice imo fusco-rubra?; 

 elytra opaca valde et grosse brunneo maculata; ala? hyalina?, stigma flavida, opaca. 



? : Long. c. elytr. 48, corp. 42, pron. 9,5, elytr. 36, fem. post. 24, tib. post. 

 20,5 mm. 



Patria. W. Australia (Boulay's coll.) 1 ? typ. Brit. Museum. 



Stropis {i) ocellata Tepper. 

 Stropis ocellutus{?) Tepper, Horn Se. Exped. Ctr. Australia, Part II, Zoology, p. 369 (1896). 



Patria. Ctr. Australia: Stevenson River, Alice Spring, 2 $ typ. Mus. Adelaide. 

 Non vidi. 



Rhitzala n. gen. 



(J?): Costa frontalis tota leviter sulcata, clypeum versus sensim ampliata, supra 

 antennas ampliata, basin versus valde angustata, margines in marginibus fastigii con- 

 tinuati; facies distincte reticulato-rugosa, interdum angulis elongatis interruptis in- 

 strueta; costa? laterales usque ad ocellos recte produetse; latera capitis rugosa; fastigium 

 breve, latius quam longius, supra ut vertex scabrum, planiusculum carinula mediana 

 nulla, antice marginibus gracilibus angulum valde obtusum formantibus, apice auguste 

 separatis, interdum junctis, in marginibus costa? frontalis continuatis; foveola? verticis 

 indistincta?, scabra?; antennce filiformes, subcrassae, levissime compressse et basin versus 

 levissime angustata?, quam caput cum pronoto distincte longiores (J*); pronotum 

 cylindricum, totum valde et minute reticulatum et sparse granulosum, pra?sertim in 

 metazona rugulis elongatis irregularibus; carina mediana gracilis, perfecta, sulcis tribus 

 secta; carina? laterales nulla?, lobi laterales non angulato-inserti ; pronotum antice vix 



