(Beyond Pesticides, April 23, 2020) Pesticide spray drift from adjacent farmlands expose butterfly larvae to lethal pesticide concentrations, according to research published in Environmental ...

CHICAGO — An expert has confirmed what backyard gardeners and amateur naturalists have been saying for weeks: There are fewer monarch butterflies in Illinois this summer. At the national Monarch Larva ...

Besides milkweed, monarchs need access to lots of nectar plants to build up their body fat for the long trip south. The International Union for Conservation of Nature (IUCN) last week added the ...

In 2020, around Thanksgiving, a total of fewer than 2,000 monarch butterflies were counted at around 250 overwintering sites where they have traditionally been counted in the state of California. A ...

Every Monday in August, Heidi Emmons is leading a group of citizen scientists into fields containing milkweed to count monarch caterpillars and eggs. The goal is to learn more about how monarch ...