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Chasing monarchs: Migrating with the butterflies of passage. Yale University Press. ISBN 978-0300203875. Journals. Brower, Lincoln (1977). "Monarch Migration". Natural History. 85 (6): 41– 53. Reports. The Legal Status of the Monarch Butterfly in California (Report). International Environmental Law Project and the Xerces Society. 2012.
A monarch butterfly feeding on milkweed. (Shutterstock) The U.S. Fish and Wildlife Service is pushing for added protections for the monarch butterfly after seeing a population decline of about 80%.
The eastern monarch migration largely depends upon only three milkweed species: common milkweed (Asclepias syriaca), green antelope horn milkweed , and antelope horns milkweed (A. asperula). [23] Butterfly gardens and monarch waystations in eastern and central North America should therefore feature one or more of those species, depending upon ...
Fifth-instar monarch larva eating milkweed leaves (Some at 20 × speed). A second-instar larva grazing on a leaf and cutting through a latex vein. The third-instar larva has more distinct bands and the two pairs of tentacles become longer. Legs on the thorax differentiate into smaller pairs near the head and larger pairs further back.
Bright orange milkweed aphids (Aphis nerii) usually emerge toward the end of summer and feed in clusters on the stems and leaves of common milkweed, swamp milkweed, and other milkweed plants ...
Fall is great time to start, or add to, your pollinator garden and help monarchs. Fall is great time to start, or add to, your pollinator garden and help monarchs. ... Need help? Call us! 800-290 ...
The leaves of Asclepias species are a food source for monarch butterfly larvae and some other milkweed butterflies. [5] These plants are often used in butterfly gardening and monarch waystations in an effort to help increase the dwindling monarch population. [21]
Federal wildlife officials on Tuesday proposed protecting the striking long-distance migrators under the Endangered Species Act after dramatic population drops.