EDWARD KINSMAN / SCIENCE PHOTO LIBRARY EDWARD KINSMAN / SCIENCE PHOTO LIBRARY
SEM a Monarch Butterfly Egg (Danaus plexippus). Laid on the underside of a common milkweed leaf (Asclepias syriaca). The milkweed plant serves as the primary food source for monarch butterflies as well as a host for the monarch's eggs and larvae. This images was collected at 50x and represents a field of view .5mm wide.
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