KUNGL. SV. VET. AKADEMIENS HANDLINGAR. BAND 62. N:0 3. 217 



curvatum, lobus posticus leviter productus, retrorsum angustatus, quam anticus multo 

 brevior; margo posticus laterum pronoti rectus, distincte declivis, margo inferior postice 

 horizontalis cum margine postico angulum subobtusum rotundatum formans, antice 

 ascendens, subrectus vel levissime incurvus; tuberculum prosternale rectum, cylindricum, 

 sensim angustatum; intervallum loborum mesosternalium subquadratum, retrorsum 

 leviter ampliatum; tobi metasternales in ef subcontigui, in $ distan tes; elytra abbre- 

 viata, circiter dimidium corporis attingentia; costse tres superiores femorum posticorum 

 serrata?, intervalla spinulis sparsis, femora postice medio spina armata; Iobi geni- 

 culares valde rotundati; tibise postica? supra in margine externo spina apicali nulla, 

 extus spinis 8, intus 9 — 10 armatse; cerci ef compressi, fere dimidio apicali valde, 

 rotundate deorsum curvato, angustato-acuminato; cerci a supero visi valde conver- 

 gentes apice fere contigui, apicem abdominis attingentes. 



Genotypus: Rhitzala modesta Sjöst. 



Gen. Mesambridd Stål (Brunner, Rév. Syst. Orth. p. 140) affinis pronoto 

 cylindrico carinis lateralibus nullis nec lobis deflexis angulato-insertis differt. 



Rhitzala modesta n. sp. — Taf. 14, Fig. 6—7. 



ef?: Tota sordide (ef) vel ferrugineo (?) testacea, subtus nitida; margine postico 

 etytrorum in ef flavo limbato; alse ferrugineo adumbratse; tibise posticaB flavo-brunnese, 

 spinis flavidis vel rufo-flavidis apice nigro; costa inferior areae externomedise flavescens, 

 nitida. 



ef: Long. 19, ant. 8,5, pron. 4,5, elytr. 7, alae 6, fem. post. 12, tib. post. 10.5 mm. 



$: Long. 30—31, pron. 7—8,2, elytr. 13—14, alae 10—11, fem. post. 17 : 5— 19, 

 tib. post. 14 — 15 mm. 



Patria. Australia: Melbourne (v. Mueller) 2 ef, 2 $, typ., Mus. Paris & Stock- 

 holm. — N. S. Wales: Sydney (Mus. Godeffr.) 1 $ Mus. Hamburg. 



Macrazelota n. gen. 



(ef?): PraBsertim $ crassiuscula; caput grossum ; costa frontalis lata, non sulcata, 

 sub ocello interdum leviter impressa, inter antennas planinscula, basi angustata ut 

 facies crebre et grosse impresso-punctata, infra ocellum sensim evanescens; carinaa 

 laterales curvaB usque ad ocellos produetae; facies a latere visa subrecta vel leviter 

 curva, leviter declivis, basi sensim late rotundata ; foveolse verticis subrectangulares, 

 angustse, distinctaa, vel punctis impressis et rugulis plus minusve indicataB; fasliqium 

 supra planiusculum ut vertex impresso-rugosum vel sublaeve, carina mediana gracili 

 quoque in vertici plus minusve visibili; margines antici recti ssepe elevati angulum 

 subrectum apice rotundato formantes; intervallum oculorum dimidio longitudinis 

 oculorum subaequilatum, quam costa frontalis multo latius; antennas, lineares apicem 

 versus sensim leviter ampliatae apice compresso, ampliato, clavato (ef), vel lineares 

 (?); pronotum antice rectum, postice distincte produetum angulum subrectum apice 



K. Sv. Vet. Akad. Handl. Band 62. N:o 3. 28 



