Article beginning on page 438.
Psyche 8:438, 1897.

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nae are comrnonly ferruginous or fen-u-
and Los Angeles July 26.
According
gineo-testaceom. Immature specimens
to Mr. Morse P. vzrgata flies only a
of one or the other species were also
little but leaps fairly well notwitlistand- taken in California at Colton July 17
ing its slender legs.
LIFE HISTORIES OF NORTH AMERICAN GEOMETRIDAE. - VII. BY HAliR1SON G. DYAR, WASHINGTON, D. C.
ikfesoleuca intermvdiufa Guen. This larva has not been previously described.
Egg- Regularly elliptical, one end
slightly truncate, but roundedty; from side view somewhat wedge-shaped, the truncate end the thicker; surface covered with flat- tened elongate hexagonal cell-areas, making it a many-sided polyhedron, the areas
scarcely at all sunken ; size .7 x .55 x .3 mm. Stage I. Head round, whitish, eye black, mouth brown; width about .3 mm. Body
slender cylindrical, colorless, transparent, food dark green. No tubercles nor shields perceptible;
setae short and fine, obscure,
pale. No marks, the skin slightly shining; segments slightly monilifortn, joint 10 a lit- tle widened at the sides, but not marked. Stage IT. Head pale yellowish, eye black, mouth brown; width about .5 mi. Body
smooth, slightly shining, transparent, all dark green from the food, tracheal line white. No marks and no perceptible tubercles or setae, which under a strong lens are fine and small, the tubercles colorless.
Staye III.
Head round, about <is high as
*
joint 2. not bilobed, dull yellowish, the setae distinct, pale; ocelli black; width about .85 mm. Skin transparent, yellowish, the cen- tral part of the body light brown by trans- parency, till filled with food when all appears dark green. Tracheal line white; feet clear yellowish : no marks. Setae moderately
long, fine, dusky; tubercles small, colorless ; spiracles brown. Later there are faint, nar- row, whitish addortal and subdoi-bal lines between which a dorsal white shade appears, joining- them.
Stage IV.
Head rounded, the apex under
joint 2, translucent luteous, a broad black band to apex of each lobe before ocelli ; wid t11 1.4 mm. Body very pale ocheious brown,
marked with irregnliir shades of brown-black. A narrow dorsal line, edged by the whitish nddoisal one; subdorsal line whitish, edged above by black; a waved, geminate lateral brown line; a few faint ventral streaks and double intersegmental spots. Doisally a
series of large patches on joints 6,7, 8 and 9 posteriorly. The first is a spot on each side of the dorsal line behind a widening of that line; the second has these marks united into a V; the others are large patches extending between tubercles i and ii notched before and behind. A heavy lateial shading on thorax: also dorsal dots, formed by the widening of the dorsal line on the anterior edges ofjoints 6 to 9; a dark dot at tubercle ii of joint to and a heavy shade over the sides of joints 10 to 13 and on the foot of joint 10. Posterior half of the foot ofjoint 12 and the anal pale. Setae fine, pale; the venter hab six obscure, whitish, longitiidiissil lines. Cocoon a slight web in the ground.
Larvae from Chain Bridge, Virginia.
Eggs June pth, mature lwvae July iyth and imagoes again July 30th.
Foodjia-nt. Jewel weed (Imj4atiem.)




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