Insect herbivory has variable effects on plant physiology; so greater understanding is needed about how injury alters photosynthesis on individual injured and uninjured leaves. Gas exchange and ...
On December 10, 2024, the U.S. Fish and Wildlife Service (USFWS) proposed to list the monarch butterfly (Danaus plexippus) as threatened under the federal Endangered Species Act (ESA). A proposed ...
Claim to fame: These orange-and-black butterflies are well-known for their eye-catching color and for their fascinating migrations each September. Species status: Monarch butterflies are found ...
On April 8, 2020 the U.S. Fish and Wildlife Service (Service) announced its next step in conservation of the Monarch butterfly (Danaus plexippus plexippus): finalization of the Nationwide Candidate ...
An international effort is under way to conserve populations of the monarch butterfly (Danaus plexippus L. [Lepidoptera: Nymphalidae]). Monarchs complete an impressive migration each year, flying from ...
Monarch butterflies (Danaus plexippus) use their internal clock and the sun to guide them 4,000 kilometers south on their annual fall migration from eastern North America to central Mexico. Scientists ...
During 2013 – 2014 seven monarch butterfly (Danaus plexippus) colonies (3 in Michoacán, 4 in Mexico) were registered throughout a total of 0.67 hectares. According to a monitoring carried out by ...
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