New chalcidoid frora Paraguay. 383 



Fore wiiig'S hyaline; posterior femur yellow or wliitish yellow 



along- its wliole upper margin (natural position) 2 



1. Ceplialic tibia partly black interiorly; posterior tibia nearly 



entirely ring-ed witli black in tlie middle, but not wholly: 

 Species marked with yellowish white. 



Posterior coxae beneath nearly all whitish yellow; antennal 



scape with the proximal half whitish yellow fumipennis 



Cephalic tibia entirely yellow; posterior tibiae not at all 



ring-ed with black in the middle, black only proximad near 



the knees. Species marked with lemon yellow. 



Posterior coxae beneath nearly all yellow ; antennal scape 

 nearly wholly lemon yellow flaviscapus 



Posterior coxae beneath nearly all black, barely a streak 

 of yellow present, or wholly black; antennal scape nearly 

 all yellowish; caudal coxae beneath with a streak of faint 

 3'ellow. Yellow spot across the outer proximal end of 

 caudal femur only two times longer than wide 



paraguayensis 



2. Cephalic and intermediate tibiae entirely yellow; caudal 



coxae wholly black; antennal scape nearly all j^ellowish; 

 tegula yellowish except at its extreme cephalic mesal 

 border; posterior tibia yellow exteriorly except at the 

 proximal end near knee (male) ventrispinosa 



1. Ceyxia fumipennis n. sp. 



Natural position. 



Female. Length 4 mm. 



Opaque black, the second abdominal segment, caudal coxa above, 

 mesopleura and portions of the metanotum shining. Projection of 

 scutellura brown. Posterior coxa laterally and the lateral aspect of 

 the caudal femur with minute pin punctures like those of the ab- 

 dominal Segments. Marked with whitish or yellowish white as follows : 

 Proximal half of scape; all of anterior femur excepting proximal 

 two-thirds laterad, all of the intermediate femur excepting distal 

 fourth dorsad and laterad, most of the ventral surface of the caudal 

 coxa except at each end, a transverse spot which is about twice 

 longer than wide across the proximo-ventral end of the posterior 

 femur and a subreniform spot at the disto-dorsal end before the 



