The beautifully colored, striped and spotted caterpillars of these common butterflies feed on many plants in the parsley ...

The West Coast lady, once a common backyard butterfly, has declined by 80%, raising alarm as even this highly adaptable species struggled. "That's alarming because it suggests even common ...

The plight of the Quino checkerspot butterfly has been described by a biologist as “four engines out and about 10 seconds to impact.” The Quino checkerspot was once one of the most common butterflies ...

POPULATION TREND: Formerly one of the most common butterflies in southern California, the Quino checkerspot now inhabits only eight areas in southwestern Riverside and southern San Diego counties and ...

Butterfly Populations Plummet by 22% in US ... Nine species - about 3% of the total - showed gains. Among some common species, the red admiral declined by 58%, the cabbage white slipped by 50% ...

Monarch butterflies—including western monarchs ... the team looked at phenological changes in the Camp Dodge monarchs' host plant, common milkweed, where females lay their eggs, and which ...