Blue butterfly eggs are small and easy to miss, said Jacobs. In addition to the rubberweed, their food source, workers are sectioning areas off where the butterflies are known to lay their eggs to ...

From this spring, however, the ratio of fertilized eggs decreased dramatically and ... s red list on endangered species, the Ogasawara blue butterfly was categorized as “Critically Endangered ...

So working on putting a blue butterfly back where Xerces used to fly ... It's a very small chance that eggs that were laid last spring could be close to becoming pupa into adults as early as ...

Visitors can expect to see the stages of the butterfly lifecycle, from eggs to caterpillars and chrysalises, for up to 30 different species, including California natives like the Mourning Cloak ...