116 YNGVE SJÖSTEDT, ACRIDIODEA AUSTRALICA. 



Coryphistes corneipes Sjöst. — Taf. 5, Fig. 5, 5 a. 

 Coryphistes corneipes Sjöst., Arkiv för Zool., Bd. 12, N:o 20, p. 29, 30, J 1 (1920). 



ef: C. longipennis maxime affinis sed area internomedia et inferointerna fe- 

 morum posticorum et tibiis posticis pallide corneis differt; cerci angusti, sensim atte- 

 nuati, apice deorsum curvato; alae hyalinse prsesertim in campo humerali infuscatse; 

 margo posticus pronoti supra utrinque magis emarginatus, fastigium apice supra 

 minus impressum, antennse quam tibise posticse vix longiores, corpus cum elytris 

 brunneo-gricea vel flavido-brunnea, elytra interdum maculis irregularibus fuscis 

 et fusco-variegata; vitta postocularis ad marginem posticum pronoti producta fusca, 

 plus minusve distincta; latera capitis sub oculis et latera inferiora pronoti pallida, 

 interdum brunneo-flavido adumbrata; carina mediana pronoti gracilis sed distincta; 

 elytra angusta abdomen valde superantia; antennae compressse apicem versus sensim 

 angustatae; oculi magni, globosi. 



ef: Long. c. elytr. 43 — 44, corp. 32, ant. 13 — 15, pron. 6,3, elytr. 34, fem. post. 

 15 — 16, tib. post. 13 — 14 mm. 



Patria. N. W. Australia (Mjöberg) 1 ef typ. Mus. Stockholm. — S. Australia: 

 Killalpanima, 100 miles E. of Lake Eyre (Hillier) 1 ef, Brit. Museum. 



Coryphistes planicostatus n. sp. — Taf. 5, Fig. 6. 



? : Costa frontalis basi compressa deinde sensim permulto ampliata, planiuscula, 

 supra et praesertim infra ocellum constricta, infra ocellum sulcata marginibus elevatis 

 callosis os versus divergentibus; facies subglabra tuberculis rotundatis irregularibus 

 vix conspicuis ; gense glabraB nec grosse granulosae; fastigium distincte longius quam 

 basi latius, basi sulco transverso terminatum, antrorsum sensim angustatum ante 

 apicem leviter constrictum, apice curvato angulariter compresso, supra impresso; 

 carina mediana gracilis apice extincta, in vertice modo antice distincta deinde ut 

 linea pallida indicata; fastigium a latere visum supra rectum apice oblique trun- 

 catum, antrorsum arcus antice et infra compressum formans; vertex a latere visus 

 curvus, quam fastigium altior; pronotum antice rectum, supra levissime curvum et 

 medio incurvum; lobus posticus supra margine curvus utrinque compressus; pronotum 

 subglabrum, tuberculis rotundatis leviter modo indicatis conspersis; latera inter sulcos 

 parte inferiore rotundato-granosa; lobus posticus elevatus, supra levissime, in late- 

 ribus distincte impresso- punctatus; margo inferior medio late et leviter produetus, 

 antice leviter ascendens; carina mediana distincta, gracilis, ante marginem anticum 

 paulo elevata, sulcis duobus posticis secta; tuberculum prosternale crassum, cylindri- 

 cum, apice late truncato-rotundato, antice leviter angustatum ; lobi geniculares femorum 

 posticorum triangulares, acuminati; costa superomedia femorum posticorum serrata, 

 ceterse glabrse. 



Pallide testaceus fusco variegatus; vitta postocularis lata ad marginem posticum 

 pronoti producta fusca testaceo variegata, caput et pronotum infra hane vittam 

 pallide brunneo-f lavida; femora postica extus testacea fusco variegata; area inter- 



