of Fossorial Hymenoptera. 407 



This species was intended by Shuckard for the type ; but he 

 never described it; it is possible that the colouring of the 

 abdomen may be more or less suffused, the variety being 

 the natural condition. Gorytes natalensis, Smith (Cata- 

 logue of Hymenopterous Insects, part iv. p. 365, pi. xi. fig. 3) 

 belongs to this genus. 



Megalomma nigriceps. 



Female. Length 5£ lines. Yellow, with ferruginous mark- 

 ings ; the head black. Head : the mandibles and a spot on 

 the cheeks at their base, the clypeus, and the face a little 

 higher than the insertion of the antennae, and the scape in 

 front yellow ; antennas ferruginous. Thorax : three longitu- 

 dinal black lines on the mesothorax ; the lateral margins of 

 the triangular space at the base of the metathorax black ; the 

 wings flavo-hyaline ; the nervures ferruginous, the postcostal 

 nervure black; the legs slightly ferruginous above, with a 

 black line on the posterior femora above at their base. Abdo- 

 men ferruginous above ; the base of the petiole and a narrow 

 fascia on the apical margins of the three following segments, 

 with the two apical segments, yellow. 



Hab. Brazil. 



Genus Goeytes, Latr. 



n 



Gorytes specialis. 



Female. Length 6 lines. Black, and variegated with yel- 

 low, smooth and shining. Head : the palpi, labrum, clypeus, 

 sides of the face a little above the insertion of the antennas, the 

 scape of the antennas, and an abbreviated line behind the eyes 

 at the base of the mandibles, yellow, the tips of the latter rufo- 

 piceous ; the antennas beneath and the apical joint fulvous. 

 Thorax and legs yellow ; the mesothorax black above, with a 

 yellow line at the sides over the tegulas ; the suture between 

 the' scutellum and postscutellum, and a central line down the 

 triangular enclosed space at the base of the metathorax black ; 

 the pectus and a stripe on the posterior femora above black; 

 wings flavo-hyaline, the nervures rufo-fuscous, with a slight 

 cloud in the marginal cell ; the tegulas and nervures at the 

 base of the wings ferruginous ; the stigma pale. Abdomen 

 with a short petiole, which is yellow at the base, and has a 

 minute tooth on each side ; the apical margins of the segments 

 narrowly and obscurely rufo-piceous. 



Hab. Ega, on the Amazon. 



Gorytes vespoides. 

 Female. Length 5| lines. Black, clothed with grey seri- 



