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Published online by Cambridge University Press: 31 May 2012
Egg: Ovate in shape, bluish green in colour, the surface divided by reticulations into small hexagonal areas. Laid singly on the needles of host tree.
First Instar: Head width 0.23 mm. Body 2.0 mm. in length and 0.23 mm. in width Brownish green body with light brown head.
Second Instar: Head width 0.5 mm. Body 4.6 mm. in length and 0.5 mm. in width. Body lined alternately with green and light green stripes. Spiracular line greenish white. Head brownish green.
† H. G. Dyar, in Psyche, 11:105, 1904, described the form of this larva found in British Columbia.
