450 On neio Species ofFossorial Hymeno'ptera. 



wings fuscous ; legs pale ferruginous, witli the coxje, and femora 

 above, green, the outside of the tibia; more or less tinted with 

 green, and the apical joints of the tarsi fuscous. Abdomen 

 petiolated, smooth, and shining. 

 Hah. Ega. 



Agenia tarsata. 



Female. Length 4 lines. Green ; legs ferruginous, with 

 the tarsi of the intermediate and posterior legs black. Head 

 a little wider than the thorax ; the clypeus and lower part of 

 the face silvery ; the apex of the mandibles, the palpi, and 

 scape in front pale ferruginous ; theflagellum fulvous beneath. 

 Thorax : the sides and the metathorax with a changeable 

 silvery pubescence ; wings hyaline, nervures ferruginous. 

 Abdomen petiolate, shining, and covered with a thin hoary 

 pile. 



Hob. Ega. 



Agenia IcetabtUs. 



Female. Length 7 lines. Black ; wings subhyaline, with a 

 brown spot at their apex ; abdomen with ferruginous spots. 

 Head and thorax thinly covered with hoary pile ; the legs 

 stout and destitute of spines ; the metathorax rounded ; wings 

 subhyaline, and with a fuscous spot at the apex of the anterior 

 pair, which extends from the base of the third submarginal cell 

 to the apex of the wing. Abdomen : a large ferruginous spot 

 on each side of the first and second segments, those on the 

 second nearly uniting ; the fourth (except its extreme base) 

 and the two following ferruginous. 



Hab. Para. 



Agenia fortipes. 



Male. Length 6 lines. Black, with dark brown wings. 

 The face covered with silvery pubescence, brilliant in certain 

 lights ; the clypeus widely truncate. The thorax has on the 

 sides and beneath a thin hoary pubescence ; the pro thorax, 

 margins of the mesothorax and of the metathorax with a bright 

 silvery pile ; the coxa3 are adorned in the same way, but it is 

 only observable in certain lights ; the wings have violet, purjjle, 

 and coppery iridescence. Abdomen petiolate, and with an 

 obscure blue tinge ; the three apical segments have a thin, 

 hoary, short pubescence. 



Hab. Para. 



Agenia conspicua. 

 Female. Length 5 lines. Black ; Avings subhyaline and 



