Article beginning on page 25.
Psyche 12:25, 1905.

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LIFE HISTORIES OF NORTH AMERICAN GE0METRIDAE.-LVIII. BY HARRISON G. DYAR, WASHINGTON, D. C.
Mtsollttca nasiliata Guenee.
Eg.
Elliptical, rounded, normal, the depression marked; all rounded, no flat areas; evenly reticulate with broad low lines, hexagonal, finely punctate shagreened all over. Pale waxy
size .g x .6 x .5 mm.
Stagt I.
Head rounded, whitish testaceous, eye black, mouth brown. Body thin and slender
but not rapid in motion. becoming rigid erect when disturbed; white, the ends (joints 2-4, 10-13) yellowish tinged in certain lights from their retraction. No marks; no shields; tubercles concolorous, obscure; setae stiff, pale, rather conspicious. Stage If.
Head rounded bilobed, the apex of clypeus depressed, shining light yellow, ocelli black; width .5 mm.
Body slender, rather elongate, normal, coarsely annulate. Setae rather- coarse, white; no shields: tubercles invisible; no marks, food green. Stage IU.
Head round, bilobed, flee, lobes full, shining ochraceous luteous, clypeus depres- sed, ocelli black; width .8 mm.
Body moderate, green from the food, unmarked, the folded incisures whitish ; tubercles a little elevated, round, shining, colorless; feet pale; no shields; setae short, pale; subventral fold prominent.
Stage itf.
Head rounded, shining, caramel luteous, setae brown, oceili black; width 1.1 mm. Body cylindrical, slender, the central segments well elongated. Translucent green, incisures
narrowly folded, yellowish ; tubercles small, round, white, elevated, distinct. The dorsal vessel
shows darker and the tracheal line white by transparency. No marks; no shields; thoracic feet
brown.
About joint g a broad stigmata1 band begins and runs to the anal feet. It is also
slightly indicated on thorax. Setae moderate. Stage .V.
Head long, bilobed, green, shagreened, the lobes full, pale greenish, the epistoma, and antennae whitish with a short white band before the eyes; width 1.7 mm. Body moderate, elongate, cylindrical, the segments wrinki:, annulate, anal feet large, projected outwardly. Green,
anal feet and dorsum of joint 13 shaded in vinous; tubercles elevated, rounded, white like small buttons. Very faint longitudial white washed lines; dorsal vessel dark green; setae moderately long, distinct. Later the head acquired a red flush over the lobes. Foodplant thimbleberry (R~bsis ttutitatn~s); the hatched larvae ate this plant and a wild larva was found on it. I-arvae from Kaslo, British Columbia.



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