314 HYMENOPTERA. 



17. MeLISSODES iETHIOPS. 



Male. Length 6i 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 ^ubhyaline, faintly clouded at their apex, 

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

 terior margin of the ctypeus narrowly, feiTuginous ; 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. Melissodgs 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 fidvous, being pale 

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

 fulvo-testaceous, the wings fulvo- hyaline, the nervui'es 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-hy aline, the nervures and tegula; pale ferruginous, 

 all the tibiae and tarsi of the same colour; the daws black. Ab- 

 domen fusco-ferruginous, the apical margins of the segments 

 palest, the whole having a slight metallic or aeneous 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.) 



