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Psyche 11:75, 1904.

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LIFE HISTORIES OF NORTH AMERICAN GEOMETR1DAE.-L BY HARRISON G. DYAR, WASHINGTON, D. C.
Hyperitis amica~ia Herrich-Scliaeffer. Dr. Packard has copied a figure of Abbot's of the larva; there is a description by Mr. Saunderi extant (Can. Ent., HI, 209, 1871) and I
hare described the last two stages from New York larvae {Ent. News, \\ 62, 1894)~ 51y de- scrfption agrees with Abbot's figure, but Sounders seems to hare had quite a different larva, while the larvae here described from British Columbia are different from either. My New York specimen was of the form awicaria and so was probably Abbot's, since it is died nyssaria by Guede.
What form Saunders had, I cannot tell; he called it alienaria. The
British Columbian specimens nre or the form aIienuvia H.-S., rather smaller than Eastern specimens and with the transverse-anterior line less angled. It would appear possible that these supposed varieties represent species. The Eastern forms must be bred again.
Egg: Elliptical, (fattened above and below, forming a distinct flat area in the middle of the aide; ends essentially alike without distinct depression or truncation. Reticulations
regularly hexagonal, obscure, nearly obsolete on the gides, more distinct in the flattening. Waxy white, shining; size .7;; X .: X .+ mm. Laid singly, adherent.
Stage I. Head round, erect, luteus, eye black, mouth brown; body moderate, not elon- gate, but rapidly looping.
No markings; tubercles and setae invisible ; pale yellowish, green from the food, the incisures folded yellowish. Stqp If. Head rounded, luteous, slightly pruinose whitish ; width ..: mm- Body moder- ate, translucent green from the food, segmental incisurea folded, yellowish ; no marks ; tubercles and setae invisible.
Sfage I/I. Head bilobed, thick, oblique, yellowish green, not shining; width -95 turn. Body moderate, the segments finely annulate, green, translucent ; a narrow white subdorsal line on joints 2 to 13. Segmental folds form yellowish bands ; feet green ; tuberties obso- fete ; setae minute, brownish swollen tipped. Stap IV. As before ; width of head 1.4 mm. Subdorsal line rather broad, yellowish
white, not contrasted.
Rather short, the segments not much longer than wide ; a ventral ytllowish white band and a similarly colored spot on tubercle vli. Joint 9 is slightly thick- ened dorsally.
Stage V.
Head slightly bitched. whitish green,mottled with darker green, slightly purplish spots; width 2. I rom.
Body cylindrical, a double rounded hump on joint 9, the segments wrinkly annulate posteriorly. Green or washed with brown ; subdorsal line broad, diffuse, whitish or only pale, the humps on joint 9 spotted with dark brown, å´th tubercles indicated by brovi-n dots ; spiracles black ringed ; setae dark. pointed, not long. A
row of obscure whitish spots subventrally anteriorly on the segments and a broad ventral band scarcely paler than the ground color. Later the head has a purplish vertical shade on the lobes and the body is strigose with purplish. The larvae were fed on wild cherry.
Eggs from Kaslo, British Columbia.




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