81 ME. smith's DESCBIPTIOIS'S 01? IIYMENOPTEEOUS INSECTS 



space at its base ; wings hyaline and iridescent ; the legs obscure fer- 

 ruginous. Abdomen coarsely rugose and subopake, with tlie margins 

 of the segments deeply depressed. 

 Hab. Makassar. 



Earn. LAEEID^, Leach. 



Gen. Laerada, Smith. 



Larrada ducalis. L. nigra, nitida ; metathorace opaco ; facie 

 aureo-pilosa ; alis nigro-fuscis violaceo-iridescentibus. 



Female. Length 10-13 lines. Black; the head slightly shining, im- 

 punctate ; the sides of the face, the base of the mandibles and the 

 lower portion of the cheeks with golden pubescence ; the mandibles 

 blunt at their apex, and not notched at their base beneath. Thorax 

 slightly shining, with the metathorax subopake and transversely 

 striated ; wings dark brown, with a slight violet iridescence. Abdo- 

 men with a faint blue iridescence in certain lights ; the apical segment 

 with a short fulvous velvety pubescence. 



Hab. Makassar. 



This fine species is the largest I have seen of the genus. 



Pam. CRABEONID.^, Leach. 

 Gen. Tetpoxylox, Latr. 



1. Trjqjoxylon eximium. Smith, Journ. Proc. Linn. Soc. iii. p. 161. 

 Hab. Makassar ; Key Island. 



2. Trypoxylon ELEGANTULUM. T. capite thoraccque nigris nitidis ; 

 abdomine pedibusque pallide ferrugineis. 



Female. Length 7 lines. Head smooth and shining ; the clypeus, face 

 as high as the sinus of the eyes and the cheeks, densely covered with 

 glittering silvery pubescence ; the antennae pale fen-uginous ; the cly- 

 peus anteriorly, and the mandibles of a reddish-yellow, the tips of the 

 latter feiTuginous ; the palpi white. Thoi'ax smooth and shining ; the 

 hinder margin of the prothorax, the tegulse, tubercles, and legs, pde 

 rufo-testaceous ; the wings hyaline and iridescent, the nervures ferru- 

 ginous ; the metathorax with silvery pubescence on its sides, and 

 having in the centre of its base a slight longitudinal channel which 

 joins a deeply impressed one at the verge of the oblique truncation, 

 the latter continuing to its apex. Abdomen with a long slender pe- 

 tiole, and immaculate ferruginous. 



Hab. Makassar. 



3. Trypoxylon ferox. T. nigrum nitidum, petiolo gracili elongato ; 

 antennis, pedibus, et abdomine ferrugineis, apice nigris. 



Female. Length 6 lineS. Head and thorax shining black ; the antennae, 

 anterior margin of the clypeus, mandibles, legs, and tubercles pale 

 ferruginous ; the abdomen of a darker red than the legs, with the two 



