120 PSYCHE [December 



Johnson at Champaign, Illinois and determined as murtfeldtii by Howard in the last 

 paragraph of page 40, of Bulletin No. 1, technical series, Division of Entomology, 

 U. S. Department of Agriculture, under the original description of murtfeldtii, are 

 in reality fasciativentris. 



Types: — Accession No. 37481, Illinois State Laboratory of Natural History, 

 Urbana, Illinois, 3 9 s in xylol-balsam. 



2. Prospaltella fuscipennis species nova. 



Female: — Size, normal for the genus. General color silvery white, marked 

 with dusky. From lateral aspect, thoracic pleurum silvery white, with a blackish 

 band along the bases of the coxae, the abdomen banded with black; oral area and 

 lower portion of genae black, and a triangular black area visible dorsad, bordering 

 the eye margin; coxae silvery white. Antennae black, excepting apical club joint 

 which is silvery white with some dusky; scape silvery white, excepting black tip. 

 Face silvery white, margins of eyes black. Eyes yellow with some black. From 

 dorsal aspect, head silvery white wdth some dusky on vertex, and a transverse dusky 

 band just below the occipital margin, beginning laterad at the eye margin; disk 

 of mesoscutum, the axillae and the tegulae dusky; mesoscutellum with the caudo- 

 lateral halves on each side of a rather broad median line, black; all of mesopost- 

 scutellum and mesal portions of the metanotum silvery white, the rest dark. The 

 whole of the. abdomen dusky, excepting the narrow lighter incisions in the dorsal 

 region, which paleness becomes broader laterad and silvery white. Legs, silvery 

 white; posterior proximal tarsal joint black, the posterior tibiae with two black 

 bands; knee of posterior legs black; other legs as in maculata Howard. Whole 

 body delicately polygonally reticulated. Fore wings and hind wings uniformly infus- 

 cated, steel bluish, the fore wings hyaline however to insertion laterad from apical 

 bend of the submarginal vein, infuscation deeper beneath (caudad) the stigma; 

 discal cilia of both wings numerous and close, from four to five longitudinal lines 

 in the hind- wings. Venation dusky, usual. 



Pedicel wider and longer than the first funicle joint; joints 2-3 of funicle sub- 

 equal, J longer and broader than funicle 1; club joints 1 and 2 subequal, nearly equal 

 to joints 2 and 3 of the funicle; apical club joint conic, as long as the others. An- 

 tennal joints uniform; longitudinal carinae prominent. 



Ventum of thorax silvery white, of abdomen blue-black. 



Male : — Unknown. 



Nearest to fasciativentris Girault but differing in the uniform coloration of the 

 funicle, lacking broad white band on abdomen, fore wings infuscated further proxi- 



