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Under Leaf
The majority of eggs are laid on the underside of a leaf, where they're well-hidden from potential predators. Anti-predator strategies are critically important. Fewer than 10% of eggs laid survive beyond the first instar caterpillar stage — and predation is the main cause of mortality.

Harriet McCarthy     Winston-Salem, North Carolina     May 26, 2014
Monarch Butterfly Egg Under Milkweed Leaf