404 ^- -^- GiRAULT, 



Male. Unknown. 



Described from 3 females moiinted together on a card and 

 labelled "Asuncion, Paraguay, lO./lO. 1905, J. D. Anisits". 

 Typ es. Katalog No. 31941, Zool. Museum Berlin, 3 $?. 



Subfamily TetrasticMnae. 



Tribe TetrasticJiini. 



Genus Tetrastichodes Ashmead. 



1. Tetrast icJiodes hyalinipennis n. sp. 



Normal position. 



Female. Lengtli 2,60 mm, Slender. 



General color giossy black, the liead brownisli, the eyes dark 

 red, the wings hyaline, their discal ciliation giving them a somewhat 

 greyish appearance; the legs concolorous, excepting the tips of the 

 femora, the tibiae and the tarsi, which are greyish or yellowish; 

 scape, pedicel and proximal ring-joint of antennae brownish, the 

 flagellum black; distal tarsal Joint slightly darkened. Venation 

 pallid yellowish. 



Thorax delicately longitudinally grained, giving a velvety appear- 

 ance, the pronotum, however, densely finely polj^gonally reticulated, 

 the Vertex and head delicately reticulated, the abdomen practically 

 smooth but with very faint, minute polj^gonal reticulatioL ; mesopost- 

 scutellum, the metathorax, coxae and pleura reticulated. ^ 



Face with a flat concavity centrally, subtriangular in outline, 

 bounded by obtuse ridges, the apex ventrad and containing the 

 antennal bulbs along its base cephalad; the antennal scrobes shallow, 

 broad depressions extending from the base of this concavity up to 

 the Vertex; malar space large; clypeus with two lobe-like projections 

 from its ventral margin; eyes very convex, nearly round, with a 

 few very minute hairs. Head (dorsal aspect) wider than the thorax, 

 the ocelli together in the center of the Vertex, triangularly disposed, 

 the lateral ocelli distant from the eye margins by at least thrice 

 their own length, the cephalic ocellus at the extreme cephalic margin 

 of the Vertex; lateral ocelli elliptical. Pronotum moderately long, 

 not as broad as the mesonotum, much narrower. Parapsidal furrows 

 distinct, complete, curved, the part of the caudal margin of the 



