Climate warming can impact plant quality, which in turn shapes the nutrition and immune defense of insect herbivores like ...

The hotter conditions produced more potent toxins in the milkweed. But the researchers said that surprisingly, the parasitic ...

A monarch butterfly (Dannaux plexippus) flaps its wings in Piedra Herrada Sanctuary, Mexico. Might this start a chain of events that results in a tornado in Texas? Photograph by Jaime Rojo In 1961, ...

It is now the late season for butterflies in Goleta groves, and the picture is dismal. Only two butterflies were recorded in ...

Higher temperatures may make monarch butterflies more vulnerable to parasites, according to new research from the University ...

On December 12, the US Fish and Wildlife Service (FWS) issued a proposed rule to list the monarch butterfly as a threatened species under the Endangered Species Act of 1973 (ESA). Endangered and ...

MADISON, Wis. (AP) — The number of monarch butterflies spending the winter in the western United States has dropped to its second-lowest mark in nearly three decades as pesticides, diminishing habitat ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. DENVER (KDVR) — The Butterfly Pavilion in ...

A Camarillo nonprofit founder believes a monarch butterfly preserve could be located where mature eucalyptus trees were cut ...

The number of monarch butterflies spending the winter in the western United States has dropped to its second-lowest mark in nearly three decades as pesticides, diminishing habitat and climate change ...

Monarch butterflies from Canada stop to rest in Wendy Park on their way to Mexico, Sept. 12, 2023, in Cleveland. AP File Photo MADISON, Wis. — The number of monarch butterflies spending the winter in ...