Study gauges insecticide effects on monarch butterflies • News Service • Iowa State University

PDF) Density estimates of monarch butterflies overwintering in central Mexico

Mitigating Pesticide Exposure to Monarchs and their Habitat - Farmers for Monarchs

Long-term Butterfly Monitoring at Joshua Tree National Park (U.S. National Park Service)

Years of monarch research shows how adding habitat will help conservation • News Service • Iowa State University

To Save the Monarch Butterfly: Taking Action with Maps

Tracking monarch butterfly movements

Study Links Carbamate Insecticides to Diabetes and other Metabolic Diseases - Beyond Pesticides Daily News Blog

Understanding the Use of Adjuvants - Garden & Greenhouse

The Perilous Migration of the Monarch Butterfly

To Save the Monarch Butterfly: Taking Action with Maps

PDF) Attitudes About Honey Bees and Pollinator-Friendly Practices: A Survey of Iowan Beekeepers, Farmers, and Landowners