218 YNGVE SJÖSTEDT, ACRIDIODEA AUSTRALICA. 



rotundato formans; lobus anticus sparse, ssepe longitudinaliter, tuberculatus vel ru- 

 gosus; lobus posticus minutissime reticulatus et punctatus, singulis rugis gracilibus 

 longitudinalibus; carina mediana in lobo antico toto vel maxima parte distincta, 

 gracilis, in lobo postico interdum retrorsum evanescens, sulco postico secta; carinse 

 laterales rugis interruptis leviter indicatse; margo inferior medio distincte et late 

 productus, antice rectus postice leviter curvus; margo posticus parte inferiore leviter 

 incurvus; lobi laterales pronoti lateribus subparallelis ; tuberculum prosternale lami- 

 nato-compressum, latissimum, basin versus angustatum apiee truncatum vel leviter 

 emarginatum angulis rotundatis; intervallum loborum mesosternalium transversum; 

 lobi metasternales subcontigui (ef) vel distantes ($); femora postica incrassata, costa 

 superomedia sparse serrata, apice in spinam acutam producta; area superoexterna 

 quam superointerna valde latior; costa inferomedia distincte curva; lobi geniculares 

 externi apice late rotundato, interni angustati; tibia3 postica? extus 7 — 8, intus 9 

 spinosse; calcaria bina externa subsequalia, interna insequalia; segmentum ultimum 

 abdominis g supra bispinosum; lamina supraanalis ef linguiformis marginibus leviter 

 reflexis, ante apicem utrinque leviter incisa; cerci compressi, sensim angustati, apice 

 leviter obliquo, angulo infero acuto. a supero visi subrecti, vix incurvi, apicem laminse 

 subgenitalis vix attingentes; elytra femora postica superantia. 

 Genotypus: Platacanthus cervinus Walk. 



Macrazelota cerviiia Walk. — Taf. 14, Fig. 8, 8 a— c; 9 r 9 a— b. 



Platacanthus cervinus Walkeu, Cat. Derm. Salt. Br. Mus. IV, p. 715, N:o 2, $ (187U); Azclota cervina 

 Kiuby, Cat. Orth. Locust. p. 442 (1910). 



cT (adhuc ignotus): Supra cinnamomea, subtus lsete flavida; elytra interdum 

 leviter fusco conspersa; alse hyalinse venis extus fuscis; femora postica supra rubro 

 adumbrata, fasciis duabus indistinctis fuscis, apice toto nigro; area inferomedia lsete 

 rubra, unicolor, area inferointerna flavida: tibise posticse ut tarsi sanguinese spinis 

 apice nigro; antennse rubro-testacese subtus paitim testacese; abdomen supra flavum 

 vel rubrum. 



$ (typ.): Lsete testacea supra parti m rubro adumbrata; antennse extrorsum 

 fuscse; femora postica apice toto rufescente-fusca, supra fasciis duabus rubro-fuscis; 

 costa arese externomedise supra et infra rubro punctata; area internomedia tota lsete 

 rubra, immaculata; tibise posticse totse rubrse apice extus magis testacese; elytra opaca 

 venis testaceis basi multo crebrius positis et leviter rubro adumbratis, parte exteriore 

 punctis infuscatis sparsis levissime indicatis. 



Long. c. elytr. 31, corp. 30, ant. 9.5, pron. 7, elytr. 22, fem. post. 16, tib. post. 

 12.5 mm. 



Color interdum magis latericeus, pronotum supra fuscum vel colore elytrorum, 

 elytra tota leviter fusco maculosa vel extus immaculata, femora postica supra leviter 

 fusco bifasciata, fasciis interdum vix conspicuis. 



