What specific food is required by the caterpillar for the Edward's Glassy Wing Tiger Moth?
Answer
Oak leaves
Dietary needs vary significantly among the more than 260 species of woolly bears found in North America. The text provides specific examples of dietary divergence from the generalist Banded Woolly Bear. For instance, research focusing on species near Santa Barbara indicates highly specific requirements. The caterpillar designated for the Edward's Glassy Wing Tiger Moth has a strict requirement: it specifically needs oak leaves to sustain its development. Willow leaves are sought by the Spotted Tiger Moth caterpillar, and consuming 'most plants found in a field' is characteristic of the highly indiscriminate Acrea Tiger Moth caterpillar, not the Edward's Glassy Wing species.

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