In this video, I built an 8-gallon outdoor aquarium-pond teeming with life. It features native plants, Gammarus, copepods, ...

Dragonflies are nature's efficient hunters, consuming many mosquitoes daily. These insects also prey on mosquito larvae, ...

The project is part of a nationwide study that works with citizen scientists and community volunteers to collect dragonfly larvae for mercury analysis. Scientists analyze the larvae to understand how ...

Great Smoky Mountains National Park was one of four parks in the eastern U.S. where the Dragonfly Mercury Project got its start. Easier to catch and cheaper to test than fish, dragonfly larvae can be ...

The map above shows sites where dragonfly larvae were collected for the Janssen et al. 2024 paper. Dragonfly larvae were collected at three types of sites including wetlands, lotic systems (flowing ...

Dragonfly larvae sampled from Cape Cod and Minuteman National Historical Park recently helped tell a much bigger story about mercury pollution in the U.S. A national study published this week in the ...

Public participants help collect dragonfly larvae and record field data. Park staff work to engage students, conservation corps, interns, and others in this hands-on research experience. A new study ...