142 Orper—H YMENOPTERA. 
Spectres 4—POLYCHROMA 7-DENTATA. 
Capite zneo, facie aurea, occipite nigricante ; antennis nigris; thorace rude punctato ; mesothorace cx#ruleo- 
viridi, dorso cupreo ; scutello magno convexo, purpureo, apice viridi; abdomine elongato-conico, nitidissimo, 
dorso chalybzo-purpureo versus basin magis cuprescenti, basi ipsa magis aureo-viridi, apice nigro; pedibus 
4 anticis chalybxo-nigris; tarsis articulo basali albido; coxis posticis viridi-ceruleis nitidis, femoribus cupreis, 
clavatis, subtus 7-dentatis ; tibiis posticis wneis basi fulvis; tarsis albis apice fuscis ; alis hyalinis. 
Long. corp. lin. 3; expans. alar. antic. lin. 43. 
Habitat; Amazonia (Bates). In Mus. Hopeiano Oxonie. 
Species 5—POLYCHROMA CUPRESCENS. 
Capite et thorace obscure-neis, punctatissimis ; scutello cuprescente; metathorace cerulescenti, nitido ; 
abdomine breve ovato-conico, supra cupreo-nitidissimo, basi aureo purpureoque tincto; antennis nigris, articulis 
intermediis fulvis; pedibus 4 anticis nigro-zeneis; tarsis basi albis; pedibus posticis, cum coxis et femoribus, 
nigro-eneis; tibiis basi articuloque basali tarsorum albis, femoribus posticis clavatis, 16-denticulatis; alis 
hyalinis ; pone medium parum fuscescentibus. 
Long. corp. lin. 3; expans. alar. antic. lin. 43. 
Habitat ; Australasia, Melbourne (D. Bakewell). In Mus. Hopeiano Oxoniz (olim nostr.) 
Grnus—PELECINELLA. 
(Westw. Trans. Ent. Soc. Lond. 1868, Proc. p. 35.) 
Callimomi affine : corpus feemine longissimum, fere filiforme ; caput subglobosum ; antenne (fig. 8 a) thoracis 
longitudine 11-articulate, articulis secundo et tertio minutis, quarto longo subcompresso, reliquis sensim 
decrescentibus ; collare capite duplo longius valde angustatum ; abdomen longissimum, gracillimum, segmentis 
secundo et tertio parum crassioribus, reliquis compressis ; apice lobis 2 magnis foliaceis terminato (figs. 8 4, 8 ¢ **), 
oviductus exsertus fere abdominis longitudine curvatus; alee antice ramo stigmaticali fere punctiformi; pedes 
4 antici graciles ; 2 postici apice tibiarum et articulo basali tarsorum dilatatis. 
PELECINELLA PHANTASMA. 
(Westw. Trans. Ent. Soc. Lond. loc. cit. p. 36.) 
Pratt XXVI, Fic. 8. 
Nigra, punctata: abdomine chalybxo; collaris lateribus rufis, abdomine nitido; pronoto, metanoto et 
petiolo transverse striatis, segmento sequente purpureo ; alis translucidis ; tarsorum posticorum articulis 4 apica- 
libus albis. 
Long. corp. lin, 12; expans. alar. antic. lin, 7%. 
Habitat ; ad ripas flum, Amazonum (Bates), In Mus. Hopeiano Oxoni. 
Grenus—THAUMASURA. 
(Westw. Trans. Ent. Soc. Lond, 1868, Proe. p. 36.) 
Cleonymo et Epistenie affine: antenne (fig. 9a) graciles 11-articulate, articulo secundo medioeri, tertio 
minuto, quarto longo, reliquis sensim attenuatis; thorax subovalis; abdomen segmentis 5 basalibus brevibus, 
massam ovalem fingentibus; duobus apicalibus gracillimis tubulum capite et thorace duplo longiorem pro 
receptione oviductus formantibus; ale anticee ramo stigmaticali brevi, apice fureato; femora compressa ; tarsi 
simplices ; oviductus abdomine a quarta parte longior. 
The mandibles (fig. 9@) are trigonate, the inner margin obtusely 3-dentate; the maxillary palpi (fig. 94) 
with the second and fourth joints elongate ; the labial palpi (fig. 9c) apparently only 2-jointed. 
