What specific marking characterizes the pale green larval form of Operophtera brumata?
Answer
Longitudinal stripes running down the body, detailed as thin yellow lines
The larval stage, or caterpillar, of the Winter Moth has a primary color described as pale green or lime green once it achieves significant growth. Beyond this base coloration, a consistent physical feature noted across various reports involves markings running lengthwise along the body. These longitudinal markings are specifically detailed as thin yellow lines or creamy-yellow stripes situated along each side of the body. These stripes provide a key identifier distinguishing this larva from others during its damaging feeding phase in the spring.
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