160 BiiUetin Wisconsiu yatiiral History Society. [Vol. 6. Xos. 3-4. 
fa:\iily ptero^ialid.?:. 
Asaphes rufipes sp. nov. 
Female. Length. 1.4 — 1.6 mm. Greenish aeneous black with the 
legs except coxae reddish or brownish yellow. Head seen from above 
a little wider than the thorax at the base of the wing-s ; about twice 
as wide as thick. Occiput concave, but not strongly excavated, its 
edge finely margined. Vertex finely punctulate. Eyes bare ; ocelli 
in a triangle the lateral ones as far from the median one as from the 
eye margin. Front strong'ly excavated medially below the ocelli, its 
surface shining and sparsely hairy. Cheeks about two-thirds as long 
as the eye-height; mandibles fuscous. Malar furrow wanting. Anten- 
nae 13-joint€d, gradually clavate ; scape two-fifths the length of the 
fiagellum, rather slender and nearly straight ; pedicel one-third as long 
as the scape, obovate ; two ring' joints ; f unicle joints increasing a very 
little in length, but considerably in width, the first a trifle longer than 
thick and the last fully one-half wider than long ; joints of club con- 
solidated, together as long as the three preceding taken together 
and little broader than the last funicular joint. Pronotum long, 
nearly as long as the mesonotum, considerably narrowed anteriorly, 
^lesonotum with deep, very distinct, strongly convergent parapsidal 
furrows, its surface and that of the pronotum shagreened. Axillae 
extending in as far as the parapsidal furrows. Scutellum shagreened 
on its basal half, posteriorly smooth and polished ; at the apical third 
with a cross furrow made hy confluent punctures. ^letathorax micro- 
scopically rugose above ; below on the pleurae smooth ; the pleurae above 
with a longitudinal elevation which is sparsely clothed ^vith long fine 
white hairs. Petiole of abdomen coarsely fluted and finely rugulose 
on the surface, shorter than the second segment and distinctly longer 
than wide. Body of abdomen triangular in lateral view, fully three- 
fourths as high as it is long on the dorsum ; second and third segments 
of equal length ; fourth one-half as long and the fifth only one-half 
as long as the fourth : apex of abdomen produced as a very short 
stylus. Wings hyaline, veins pale bro^vn, the marginal vein five or 
six times as long as thick ; stigmal about one-third longer, slender, 
knobbed at the tip postmarginal about one-fourth longer than the mar- 
ginal. Legs slender, pale reddish bro^^^l, the posterior femora some- 
what infuscated. 
Described from four specimens bred from a species oiAphis 
(probably .4. a/W/j/zV/^ Linn.) on Chenopodium album at Forest 
Hills, Mass., October 30, 1908 by ]\Ir. Paul Hayhurst of the 
Bussey Institution. Type in the collections of the Public ^luseum 
of the City of Milwaukee. 
