Archive image from page 19 of Cypress bark scale (1920). Cypress bark scale cypressbarkscale838herb Year: 1920 Bui. 838, U. S. Dept. of Agriculture. Plate VI. The Cypress Bark Scale. A, Male larva, second instar (X 50) (male and female first-instar larvae are identical); B, male prepupa (X 50); C, male pupa (X 50); D, male adult (X 50); E, male adult ready to emerge from cocoon.

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