20 Mr. F. Walker on some xmdescrtbed Species 



Wings blackish-cinereous, very iridescent, darkest along the costa of 

 the fore wings. Length of the body 5 lines ; of the wings 9 lines. 



New Caledonia. Discovered by Mr. Macgillivray, In the British 

 Museum. 



Leucospis Mexicana. Fcem. Nigi-o-metallica ; caput sulco antico laete 

 cupreo ; antennae piceae, scapo flavo ; abdomen subfusiforme, subcom- 

 pressum, dimidio postico aurato ; oviductus scutellum attingens ; femora 

 postica flavo lineata ; alse fuscfe, postice cinerascentes. 



Female. Black, very thickly and minutely punctured, with irides- 

 cent metallic reflexions and with pale pubescence. Head -with smooth 

 bright cupreous fun-ows wherein the scapes of the antennse are lodged. 

 Antennas piceous ; scape yellow, except at the tip. Abdomen subfu- 

 sifoi-m, slightly compressed, clothed ^vith bright gilded pubescence on 

 the apical half. Oviduct retracted above to the hind border of the scu- 

 tellum. Hind femora with a dull yellowish line above and with another 

 on the fore part beneath, where they are armed with one large and with 

 several very minute teeth. Wings brown, greyish towards the hind 

 border. Length of the body 5 lines ; of the -svdngs 9 lines. 

 Mexico. Discovered by M. Salle. In the British Museum. 



Leucospis Egaia. Fcem. Rufa ; caput viridi-cupreimi ; antennae ferru- 

 gineae, scapo basi flavo ; prothorax striga transversa discali nigra, 

 flavo late marginatus ; pectus flavo bivittatum ; abdomen viride, sub- 

 compressum, antice rufum flavo bimaculatum, postice flavo bifasciatum ; 

 oviductus scutellum fere attingens ; pedes flavi, coxis femoribusque 

 posticis rufis flavo marginatis ; alae cinerete, apud costam nigricantes. 



Female. Red, thickly punctured. Head cupreous, varied with 

 metallic green. Antennae ferruginous ; scape yellow towards the base. 

 Prothorax broadly bordered with luteous-yeUow ; a transverse black 

 mark in its disk. Scutum and scuteUvim black, vdt\\ metallic reflexions, 

 bordered with luteous-yellow. Pectus with a metallic disk ; two 

 oblique yellow stripes on each side. Abdomen slightly compressed, 

 metallic gi'een ; flrst segment red, linear, with a yellow spot on each 

 side of the hind border, a little naiTower and shorter than the following 

 part, which is elliptical and has two yellow bands. Oviduct recui-A-ed 

 nearly to the hind border of the scutellum. Legs luteous-yellow ; hind 

 coxae and hind femora with red disks ; the latter with one large and 

 with several very minute teeth. Wrings grey, blackish along the costa. 

 Length of the body 4 lines ; of the wings 7 lines. 



Ega. Discovered by Mr. Bates. In the British Museum. 



Leucospis Santaeema, Fcem. Rufa; caput luteo-flavxun, nigro fas- 

 ciatum ; antennae piceae, scapo flavo ; prothorax flavo late marginatus ; 

 scutum vittis tribus nigris lanceolatis antice connexis ; metathorax 

 niger, flavo fasciatus ; pectus nigrum, flavo bivittatum ; abdomen fiisi- 

 forme, subcompressimi, fascia basali nigra arcuata fasciisque duabus 

 posterioribus flavis, 1* lata arcuata j oviductus scutellum attingens ; 



