NEW GENERA AND SPECIES OF APHELTNIN.E. 79 



Middle tarsi with joint 1 as lon<y as 2 and 3 together: middle tibial 

 sjjur as long as joint 1. Ovipositor considerably extended. Face 

 and vertex orange-yellow; ocelli carmine; eyes dark red; mesoscn- 

 tellum dull lemon-yellow; remainder of notum and dorsum of abdo- 

 men light brown; tip of abdomen yellowish; antenna? dusky; legs and 

 antennal veins dusky ; fore wings with a faint dusky shade below 

 marginal vein. 



Male. — V n k now n . 



Type. — No. 10303, U. S. National Museum. Described from 5 

 female specimens reared June 10, 1897, from an AJeyrodes on a coarse 

 grass taken at Sangrillo del Chico, Tabasco, Mex, (Bur. Ent., No, 

 741), by C. H". T. Townsend. 

 Encarsia quaintancei, new species. 



Female. — Length O.OO nnn. ; expanse l.-t mm.; greatest width of 

 fore wing 0.18 mm. Middle tarsi 4-jointed as with liiteola., the fourth 

 and fifth segments apparently coalesced. Pedicel of antenna? twice 

 as long as broad; joint 1 of funicle somewhat longer than broad, 

 shorter than ])edicel and shorter than second funicle joint ; second, 

 third, and fourth funicle joints increasing gradually in length; 

 club joints subecpial in length. Fore wings with a small rounded 

 hairless space below and beyond stigma, not extending to one-half 

 the wing breadth. Eyes hairy. jSIesoscutum delicately hexagonally 

 reticulated; axilhe delicately reticulate. General color brown; 

 mesoscutellum Avholly lemon-yellow; tips of abdomen and tlagellum 

 of antenna^ yellowish; all legs faintly yellowish; wings hyaline. 



Male. — Unknown. 



Type. — No. 10304, U. S. National Museum. Descril)ed from 1 

 female specimen reared August 21), 1900, by Theo. Pergande from 

 Aleyi'odes sp. on Polygonum, Bladensburg road, D. C. 



The species is named for Prof. A. L. Quaintance in recognition of 

 his excellent work on the Aleyrodidip. 



Genus PROSPALTA Howard. 



PiosiHtUa Howard. Insect Life. Vol. VII. 1894. p. (i. (Type. I'roi^palta 



aiirantii Howard.) 



Prospalta maculata, new species. (Fig. 16.) 



Female. — Length 1 mm.; expanse 2.24 mm.; greatest width of fore 

 wing 0.31 nnn. Comes rather close to P. Tnnrtfeldth' How., but the 

 antenna^ are not so strongly clubbed. The color is as follows: An- 

 tennal club brown, whitest at tip; scape and funicle joints 2 and 3 

 whitish : general color of body and legs light yellow ; middle and 

 hind til)ia^ each with two brown bands: first tarsal joint of middle 

 and hind legs brown; first, fourth, fifth, and sixth abdominpl seg- 



