22 Mr. F. Walker on sonu undescribed Species of tin Genus Leucoapia. 



nigris, femoribiis postieis tibiisque nigro vittatis; alas cinereae, apud 

 costam fuscae. 



Female. Blackish metallic green, thickly and minutely punctured. 

 Head, metathorax and pectus bright metallic green. Antennae black, 

 reddish towards the base; scape yellow beneath. Prothorax with a 

 yellow short transverse line in front, bordered with yellow behind and 

 on each side, where the yellow part is triangular. Abdomen com- 

 pressed, sessile, about twice the length of the thorax, bright golden 

 towards the tip ; first segment dark red, with metallic green reflexions, 

 very little narrower than the other part, which is fusiform and keeled. 

 Oviduct recurved to the metathorax. Legs yellow ; anterior femora, 

 except towards the tips, and anterior coxae black ; tibiae striped with 

 black ; hind coxas very large, green, striped with yellow ; hind femora 

 dilated, striped with black, with one obtuse and with about eight 

 minute teeth. Wings cinereous, brown along the costa. Length of 

 the body 6 lines ; of the wings 10 lines. 



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



Leucospis ignota. Mas. Nigra; caput postice cupreum; antennae 

 basi obscure rufeseentes, scapo subtus flavo ; prothorax flavo bifasciatus ; 

 scutum flavo marginatum ; scutellum flavo bimaculatum ; abdomen 

 subpetiolatum, basi apice et segmentorum marginibus aeneis ; pedes 

 femoribus tibiisque postieis femoribusque anticis flavo vittatis, tarsia 

 rufescentibus ; alee einereas, apice nigricantes. 



Male. Black, thickly and minutely punctured. Head cupreous 

 hindward. Antennae dark reddish towards the base ; scape yellow 

 beneath. Prothorax bordered with yellow in front and behind. Meso- 

 thorax with the border of the scutimi and a spot on each side of the 

 scutellum yellow. Metathorax dull reddish. Abdomen subpetiolated, 

 bright aeneous towards the base and towards the tip and on the hind 

 borders of the segments ; first segment cylindrical, hardly half the 

 breadth of the following part, which is fusiform. Knees yellow ; tarsi 

 reddish ; fore femora, hind femora and hind tibiae striped above with 

 yellow ; hind femora moderately dilated, striped beneath with yellow 

 towards the base, armed with one large and with several very minute 

 teeth. Wings cinereous ; fore wings blackish at the tips. Length of 

 the body 3 lines ; of the wings 5 lines. 

 Hah. ? In the British Museum. 



Polistomorpiia sphegoides. Fcem. Piceo-nigra ; antennae rufa?, basi 

 nigra? ; prothorax linea postica transversa brevi pallide fulva ; meso- 

 thorax lineis duabus pallide fulvis postice approximatis : abdomen 

 cinereo-pubescens, fulvo unifaseiatum ; pedes tibiis tarsisque anteriori- 

 bus fulvis, femoribus postieis fulvo pallidissimo vittatis ; alae luridffl. 



Female. Piceous-black, very thickly and minutely punctured. Head 

 in front and mouth much prolonged. Antennas red, black towards the 

 base. Prothorax with a short pale tawny transverse line on the hind 

 border. Mesothnrax with two pale tawny lines which converge hind- 



