OP HYMENOPTEEA FEOM SUMATRA, ETC. 85 



G-en. Laera, Fdbr. 



1. Larra prismatica. Smith, Proc. Linn. Soc. ii. p. 103. 

 Hub. New Guinea; Morty Island. 



2, Larra suada. L. nigra, nitida ; facie, pro- et metathorace abdo- 

 minisque segmentorum fasciis argenteo sericeis ; alis hyalinis. 



Male. Length 3 lines. Head shining, the face and cheeks covered 

 with silvery pubescence, the mandibles ferruginous, the palpi pale 

 testaceous. Thorax, the disk finely and closely punctured ; the pro- 

 and metathorax covered with silvery pubescence ; the legs with a fine 

 silky silvery pile ; the wings hyaline and iridescent, the nervures tes- 

 taceous. Abdomen smooth and shining, the apical margins of the 

 segments with silvery fasciae. 



Hab. Gilolo. 



G-en. PisoN, Spin. 



1. PisoN PALLiDiPALPis, Smith, Proc. Linn. Soc. vii. p. 35. ' ^ 



H«6. Morty Island. - '' ., ■ -^ ,.-,.. ^*-^^^*^ I '"^ !i"^' ^ 



2. PisoN MOROSUS. P. niger, nitidus, distincte punctatus ; alis sub- -^ *- ^_„ , 

 hyahnis, venis nigris ; abdomine nitido, segmentorum marginibus ar- o 

 gentatis. 



Female. Length 4 lines. Head punctm-ed, the punctures confluent 

 on the face ; the clypeus and the face along the inner margin of the 

 eyes with silvery pile ; the tips of the mandibles ferruginous. The 

 thorax closely and strongly punctured, the tegulse smooth and shining ; 

 the wings subhyaline and iridescent ; the sides of the thorax with a 

 thin cinereous pubescence ; the legs with a glittering pile. Abdo- 

 men shining and finely punctured; the margins of the segments 

 depressed ; the apical margins with fasciae of silvery pile, only visible 

 in certain positions. 



Hab. New Guinea. 



This species closely resembles Pison pallidipalpis, from Ceram ; 

 but it may be at once distinguished by the absence of the 

 central longitudiaal channel of the metathorax. 



Earn. BEMBICIDJE, Westw. 

 G-en. Bembes, Latr, 



1. Bembex melancholica. Smith, Cat. Foss. Hym. p. 328. 

 Hab. Salwatty; Morty Island. 



Earn. CEABEONID^, Leach. 

 G-en. Tetpoxtlok, Latr. 



1. Trypoxylon providum. Smith, Proc. Linn. Soc. v. p. 125. 

 Hab. New Guinea. 



