Once she finds it, she lays eggs one at a time on the newest growth ... plant in search of a safe spot to begin the pupa stage of the monarch butterfly life cycle. It uses spinnerets near its ...

In just the 9 to 14 days of the larval stage, a monarch caterpillar can grow to 2,700 ... Not all monarchs migrate. A typical monarch life span (from egg to adult) is 2 to 6 weeks, but migrating ...

The fifth stage larva attaches itself securely to a chosen leaf ... At the end of metamorphosis, the adult emerges from the chrysalis, expands its wings and flies. Monarch metamorphosis from egg to ...

The number of monarch butterflies spending winter in the western U.S. dropped dramatically this year, despite moves to extend ...

from the egg stage through adulthood, can survive exposure to the chemicals. Milkweed tolerance has its price, though. Monarch flies became temporarily paralyzed when the vial they were contained ...

Monarchs rely on native milkweed during their egg and caterpillar stage, and adult monarchs require ... It also includes a monarch-specific Section 4(d) rule, excepting certain activities from ...