KUNGL. SV. VET. AKADEMIENS HANDLINGAR. BAND 62. N:0 3. • 225 



apice nigris; elytra valde abbreviata, sublobiformia ; area axillaris tota brunneo-fla- 

 vida; area intercalata maculis nigris; area humeralis medio stria albida. 



$: Long. 19, pron. 5, ant. 6, elytr. 5, fem. post. 11, tib. post. 9.ö mm. 



Patria. Australia (Boucard) 1 ? typ. Mus. Stockholm. 



Peratta n. gen. 



($): Facies a latere visa levissime curva, leviter declivis fastigio non producto; 

 costa frontalis lata ab ocello os versus sensim ampliata, evanescens, supra ocellum 

 grosse et crebre impresso-punctata, infra ocellum leviter impressa, subglabra, basi 

 ad fastigium non constricta; facies inter costas laterales medio subscabra, leviter 

 punctata; costse laterales subrect&% leviter undatae; foveoJae verticis nullse punctis 

 impressis indicatse; fastigium a costa frontali carinula transversa divisum; fastigium 

 supra valde impressum carinula mediana nulla, marginibus anticis antrorsum conver- 

 gentibus apice fastigii truncato, marginibus lateralibus retrorsum leviter convergen- 

 tibus; intervallum oculorum quam costa frontalis latius; oculi ovales antice truncati; 

 antennce filiformes parte inferiore leviter compressse, longitudine capitis pronotique; 

 pronotum carinis lateralibus nullis, antice rectum postice in angulum obtusum rotun- 

 datum leviter productum; margo inferior laterum pronoti medio rotundate productus; 

 lobus anticus supra subglaber, lobus posticus crebre impresso-punctatus; carina me- 

 diana gracilis in lobo postico toto et antice in lobo antico indicata, in medio pronoti 

 extincta; sulci transversi tres distincti; tuberculum prosternale ab antico posticoque 

 laminato-compressum lateribus vix incurvis, apice late emarginatum; lobi metaster- 

 nales distantes; costse femorum posticorum glabra?, costa superomedia apice in spina 

 terminata; lobi geniculares rotundati apice leviter angustati; tibise posticse supra in 

 margine externo spina apicali nulla, extus 9, intus 10 spinosae; elytra apicem femorum 

 posticorum vix superantia. 



Genotypus: Peratta simplex Sjöst. 



Peratta simplex n. sp. — Taf. 14, Fig. 14, 14 a. 



$: Testacea; supra antennas linea transversa nigra; post oculos lineis nigris; 

 vertex medio linea irregulari nigra; pronotum supra lsete brunneum medio pallidiore, 

 latera macula nigra magna; femora postica apice nigro, supra fasciis duabus indi- 

 stinctis nigris, basi superne macula annulari nigra; area externomedia maculis duabus 

 nigris; costse supernse omnes ut costa inferoexterna nigro maculatse; tibioz posticse 

 rubro adumbratse; elytra opaca nervis lsete brunneis, area intercalata maculis nigris 

 fere expleta; alce hyalinaa apice levissime infuscatae. 



? : Long. c. elytr. 22, corp. 20, ant. 8, pron. 4,6, fem. post. 12, tib. post. 

 10 mm. 



Patria. Australia, 1 ? typ. Mus. Hamburg. 



K. Sv. Vet Akad. Handl. Band 62. N:o 3. 29 



