of the Genus Leucospis. 19 



ish along the costa and at the tips. Length of the body 6| lines ; of 

 the wings 10 lines. 



Aru Island. Discovered by Mr. Wallace. In the British Museum. 



Leucospis Aruina. Mas. Nigra ; caput antice aureum ; antennae scapo 

 flavo ; prothorax et scutellum flavo fasciata ; paraptera et epimera flavo 

 notata ; abdomen subpetiolatum, basi fasciisque duabus flavis ; pedes 

 rufescentes, femoribus basi coxisque nigris, femoribus posticis nigris 

 flavo marginatis, tibiis posticis subtus nigris; alee obscure cinereas, 

 costa apiceque nigricantibus. 



Male. Black, very thickly and minutely punctured, hardly pubes- 

 cent. Head with gilded tomentum in front ; cavity for the base of the 

 antennae shining, metallic. Scape of the antennae yellow. Prothorax 

 with a yellow band, which is dilated on each side. Mesothorax with a 

 yellow streak on each of the paraptera and with a yellow spot on each 

 of the epimera ; scutellum with a semicircular band, which is dilated on 

 each side. Metathorax and pectus slightly metallic. Abdomen slightly 

 petiolated ; first segment very convex, mostly yellow above, about half 

 the breadth of the other part, which is short-fusiform and has two 

 yellow bands ; first band very narrow. Legs reddish ; femora towards 

 the base and coxse black ; hind femora yellow, of the typical form, with 

 black disks, armed with one large and with about nine very minute 

 teeth ; hind tibiae black beneath. Wings dark cinereous ; fore wings 

 blackish along the costa and at the tips. Length of the body4i lines ; 

 of the wings 8 lines. 



Aru Island. Discovered by Mr. Wallace. In the British Museum. 



Leucospis antiqua. Mas. Nigro-metallica, albo-pubescens ; scapus 

 flavo subtus maculatus ; prothorax fascia discali lunata niaculisque 

 duabus lateralibus flavis ; scutum flavo bipunctatum et bimaculatum ; 

 scutellum et metapectus flavo bimaculata ; abdomen subpetiolatum, 

 fasciis duabus flavis, 1 B lata, 2 a tenuissima ; coxae posticae flavo strigatae ; 

 alae nigricanti-cinereas. 



Male. Black, minutely punctured, with a slight metallic tinge and 

 with short white pubescence. Vertex and keel of the front metallic 

 green. Antennae black, metallic green at the base ; scape with a yellow 

 spot beneath. Prothorax with a yellow lunate discal band and with a 

 yellow spot on each side. Scutum with a yellow point on each side by 

 the suture of the parapsides and with a yellow spot on each of the 

 paraptera; scutellum with a yellow spot on each side of the hind part. 

 Metapectus with a yellow spot on each side. Abdomen subpetiolated ; 

 first segment slightly convex on each side, with a broad yellow band, 

 hardly half the breadth of the following part, which is fusiform and 

 has a very slender yellow band. Hind coxae with a yellow streak ; 

 hind femora much less dilated than in the typical species, armed with 

 five teeth, of which the first one is much broader than the others. 



c2 



