314 HYMENOPTERA. 



17. MELISSODES 



Male. Length 5 lines. Black, the pubescence entirely black, 

 except a little on the cheeks, sides of the face, and a fringe 

 on the segments of the abdomen beneath, which is of a dirty 

 white ; the pubescence dense on the thorax, legs, and base of the 

 abdomen ; the wings subhyaline, faintly clouded at their apex, 

 the nervures black, the claws, tips of the mandibles, and the an- 

 terior margin of the clypeus narrowly, ferruginous ; the labrum 

 yellow ; the apex of the abdomen has a little fulvous pubescence. 

 The pubescence of this insect is beautifully plumose or feathered. 

 Hab. Columbia. (Coll. W. W. Saunders, Esq.) 



18. MELISSODES FULVIPES. B.M. 

 Male. Length 5 lines. Black, the labrum, clypeus and base 



of the mandibles yellow, the apical half of the latter ferruginous ; 

 the flagellum fulvous beneath, except the two basal segments: 

 the pubescence on the head, thorax and legs fulvous, being pale 

 at the sides of the metathorax; the legs fulvous; the tegulse 

 fulvo-testaceous, the wings fulvo -hyaline, the nervures and 

 tegulse rufo- testaceous. Abdomen fusco-ferruginous, the apical 

 margins of the segments rufo-testaceous ; the base clothed with 

 pale fulvous pubescence, the second segment has a band of short 

 scaly pubescence at its basal margin, which is much narrowed in 

 the middle, the third segment has a band at its base, and the 

 following at their apical margins ; the abdomen rufo-testaceous 

 beneath. 

 Hab. Cayenne. 



19. MELISSODES RUFO-DENTATA. 



Male. Length 4% lines. Black, the clypeus and base of the 

 mandibles yellow ; the labrum cream-coloured and the flagellum 

 fulvous beneath ; the pubescence on the vertex and disk of the 

 thorax, fulvo-ochraceous ; that on the sides of the metathorax is 

 paler; on the thorax beneath and on the cheeks it is cinereous; 

 the wings fulvo-hyaline, the nervures and tegulse pale ferruginous, 

 all the tibise and tarsi of the same colour ; the claws black. Ab- 

 domen fusco-ferruginous, the apical margins of the segments 

 palest, the whole having a slight metallic or a3neous tint; the 

 second segment has a band of short pale ochraceous pubescence 

 at its basal margin, and another a little beyond the middle ; the 

 three following segments have a single band towards their base ; 

 the apical segment is ferruginous in the middle, and has a small 

 tooth of the same colour on each side ; beneath, the apical mar- 

 gins of the segments are broadly rufo-testaceous. 

 Hab. St. Vincent's. (Coll. F. Smith.) 



