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Psyche 11:29, 1904.

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DYAR:- NORTH AMERICAN GEOMETRIDAE
LIFE HISTORIES OF NORTH AMERICAN GEOMETRIDAE. - LIII. BY HARRISON G. DYAR, WASHINGTON, D. C.
Eustroma nubilata Packard.
Egg.
Elliptical, flattening, depression and truncation all slight and rounded ; uniformly and neatly hexagonally reticulate, the lines narrow, moderate, distinctly raised, alittle waved and not rigid, suggesting the btellate sculpture. Pale yellow, turning red; size .8 X .6 X .S mm.
Stage I.
Head rounded, erect, pale whitish with numerous black dots, mouth brown. Body moderate, slender, finely annulate, feet normal, no shields. Pale whitish ; a broad gray
smoky subdorsal band, faint, clouded ; similar but narrower hubventral and meclio-ventral ones, waved, clouded.
Tubercles small, conical, brown; setae club-shaped, short, pale. Stage 11.
Head squarish bilobed, sordid white, thickly checkered with black, leaving a pale streak on lobe above ; width, .6 mm. Body cylindrical, moderate, sordid greenish white with waved brown lines.
Dorsal line straight, expanded on the anterior edges of the seg- ments; subdorsal straight above, subconfluent with the waved lateral line below, forming loops about tubercle iii ; traces of upper subventral and broad lower subventral bands. Tub- ercles small, black, raised ; setae short, brownish ; thoracic feet brown-black, abdominal ones blackish bordered outwardly.
Stage 111. Head bilobed, free, pure white with contrasted black angular dots filling the median suture broadly and covering the sides of the lobes, leaving a short streak above, the area about eyes and clypeus white; width 35 mm. Body'mojerate, normal, gray from blackish streaks and lines heavily overlaid on a whitish ground. Tubercles white, round, ii and iv large and prominent, the others comparatively inconspicuous. Segments finely annu- late posteriorly. Feet pale, dotted with black. No distinct lines ; dorsal line narrow, dark ; traces of waved subdorsal and lateral white; subventer and venter with broader pale lines. Setae from black hair dots, pale brown, thick, flattened at tip. Later the black marks become reddish brown, a pale white streak is about tubercle ii and a black shade at tubercle iv. Stage IV.
Head white with black dots as before hut thicker, covering most of the surface except a narrow streak across lobes to clypeus ; width 1.4 mm. Body moderate, flatly out- stretched, sordid gray ; tubercle ii white, contrasted, an oblique pale shade from it down and anterior, to the pale subventral area. Other tubercles white, less conspicuous, iv with a black circle. The ground color is dotted with blackish and white, indicating waved subdorsal and lateral lines. Feet gray and blackish, the anal pair large, triangular, with a white line before. Setae short, thick. somewhat club-shaped, pale. Larvae from Kaslo, British Columbia; they fed on Epilohium.



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