20 Mr. F. Walker on some undescribed S2>ecies 



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. Form. Nigro-metallica ; caput sulco antico laate 

 cupreo ; antennas picese, scapo flavo ; abdomen subfusiforme, subcom- 

 pressum, dimidio postico aurato ; oviductus scutellum attingens ; femora 

 postica llavo lineata ; ahe fuscse, postice ciuerascentes. 



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

 cent metallic reflexions and with pale pubescence. Head with smooth 

 bright cupreous furrows wherein the scapes of the antenna? are lodged. 

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

 siform, slightly compressed, clothed with 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 wings 9 lines. 

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



Leucospis Egaia. Fam. Rufa ; caput viridi-cupreum ; antenna 1 ferru- 

 ginese, 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; ahe cinerese, apud costam nigricantes. 



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

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

 Prothorax broadly bordered with luteous-yellow ; a transverse black 

 mark in its disk. Scutum and scutellum black, with metallic reflexions, 

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

 oblique yellow stripes on each side. Abdomen slightly compressed, 

 metallic green ; first segment red, linear, with a yellow spot on each 

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

 part, which is elliptical and has two yellow bauds. Oviduct recurved 

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

 coxa? and hind femora with red disks ; the latter with one large and 

 with several very minute teeth. Wings 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 Santapema. Fam. Rufa; caput luteo-flavum, nigro fas- 

 ciatum; antenna pice:e, scapo flavo ; prothorax flavo late marginatus ; 

 scutum vittis tribus nigris lanceolatis antice connexis ; metathorax 

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

 forme, subcompressum, fascia basali nigra arcuata EasciiBque duabus 

 posterioribus flavis, 1" lata arcuata ; oviductus scutellum attingens : 



