450 On neio Species of Fossorial Hymenoptera. 



wings fuscous ; legs pale ferruginous, with the coxae, and femora 

 above, green, the outside of the tibiae 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 cljpeus and lower part of 

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

 scape in front pale feiTuginous ; the flagellura 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 

 pUe. 



Hal. Ega. 



Agenia Icetahilis. 



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. 



Hob. 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 prothorax, 

 margins of the mesothorax and of tlie metathorax with a bright 

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

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

 and coppery iridescence. Abdomen petiolate, and with an 

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

 hoary, short pubescence. 



Hah. Para. 



Agenia conspicua. 

 Female. Length o lines. Black ; wings subhyaline and 



