134 OrpErR—HYMENOPTERA. 
Fulva, crebre punctata hand nitida; caput fere thoracis latitudine, facie versus os attenuata, oculis laterali- 
bus, mandibulis bidentatis, antennis fulvis; thorax elongatus, ovatus, antice et postice truncatus ; prothorace in 
collum parvum at distinctum formato; collare transverso, fascia tenui centrali fusca; mesothoracis scuto trans- 
verso, macula parva triangulari centrali (antice latiori) lineisque duabus obliquis lateralibus fuscis, parapleuris 
distinetis; scutello triangulari postice rotundato, macula majori centrali fusca; metathorace elongato sub- 
quadrato, spiraculis lateralibus distinctis, linea tenui fuscescenti; abdomen elongatum sexannulatum segmentis 
tribus primis brevibus secundo breviori, quarto maximo ovato, latiori ; duobus ultimis minutis, spiraculis lateralibus 
distinctis, fulvam segmento primo interdum macula parva triangulari fusca lineaque tenui dorsali levi; oviductu 
haud exserto ; pedes fulvi elongati, femoribus posticis minus incrassatis quam in Leucospidibus, subtus 10-12- 
denticulatis, dente primo maximo dentibusque 5, 6, et 7 reliquis majoribus ; coxis posticis extus dente armatis ; 
alz flavescentes, venis distinctis stigmateque fuscis, venis subobsoletis fulvescentibus. 
Species 2—POLISTOMORPHA FASCIATA. 
PLaTtE XXV, Fre. 3. 
Fulva, minute punctata: capite et thorace nigro maculatis; abdomine fulvo fasciis flavis; alis flavescenti- 
bus; femoribus posticis 7-dentatis. 
Long. corp. lin. 6; expans. alar. antic. lin. 124. 
Habitat ; Amazonia (Bates). In Mus. Hopeiano Oxoniz. 
Caput fulvum, margine postico, verticeque inter oculos et ocellos nigris; thorace nigro variegato, collare 
macula media trigona; mesonoto, maculis tribus elongatis, intermedia obeonica ; scutelli basi et metanoti dorso 
bivittatis, lateribus spina media armatis; abdomine fulvo-rufescente, setoso, flavo-fasciato ; antennis pedibusque 
fulvis, femoribus posticis supra vitta flavescente, spina 1 media magna fulva, alterisque 6 minoribus apicalibus 
nigris ; alis fulvo-hyalinis, apicem versus grisescentibus, venis stigmateque fuscis. 
Species 3—POLISTOMORPHA SPHEGOIDES. 
(Walker, Journal of Entomology, vol. i. p. 22.) 
Prate XXY, Fie. 1. 
Fem. Piceo-nigra punctata: antennis rufis, basi nigris ; prothorace linea postica transversa brevi pallide 
fulva ; mesothorace lineis duabus pallide fulvis postice approximatis ; tegulis punctisque duobus scutelli fulvis ; 
metanoto supra longitudinaliter carinato; abdomine cinereo-pubescenti, segmento primo basi et apice fulyo 
fasciato ; pedibus tibiis tarsisque anterioribus fulvis; femoribus posticis fulvo pallidissimo vittatis 6-dentatis ; 
alis luvidis. ; 
Long. corp. lin. 9; expans. alar, antic, lin. 18}. 
Habitat ; Brazil, St. Paul (Bates). In Mus. Britann. et Oxonie. 
Very thickly and minutely punctured; head in front and mouth much prolonged; epimera partly pale 
tawny ; metathorax with a dorsal ridge and an elevated border; abdomen keeled above and beneath; first seg- 
ment linear, with a tawny hind border, much narrower than the other part, which is elongate pyriform; hind 
femora armed with six rather large teeth. 
Gznus—LEUCOSPIS. 
Species 1—LEUCOSPIS DARLINGII. 
PLATE XXV, Fic. 4. 
Nigra, punctata, aurantio-rufo variegata: alis fuscis purpureo nitidis, articulo basali antennarum fulvo ; 
femoribus posticis obseuris ; capite viridi parum tincto; collare fulvo, lateribus, margine antico, lineaque media 
tenui abbreviata nigris ; mesonoto nigro, lateribus anguste, maculisque duabus dorsalibus ovalibus fulvis ; tegulis 
fulvo marginatis ; scutello fulvo angulis anticis lateralibus nigris; metanoto nigro; abdominis seemento pedun- 
culari fulvo-rufo, margine tenui nigro; secundo nigro, tertio fulvo, quarto nigro, quinto fulvo; oviductu 
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