A keystone in an arch's crown secures the other stones in place. Keystone species play the same role in many ecological communities by maintaining the structure and integrity of the community. The ...

MUNCIE, Ind. – Keystone species are plants, animals, or fungi that significantly impact the environment. When talking about plants, these species can be home to many native insects and other animals.

Many gardeners know the key role milkweed (Asclepias) plays in bringing back declining numbers of monarch butterflies. But other species of Lepidoptera, other butterflies and moths need help, too.

Across the globe, wildlife is in crisis. Insect populations are crashing, bird species are disappearing, and pollinators, the unsung heroes of food production, are vanishing at alarming rates. One of ...

University of Delaware entomologist Doug Tallamy’s research has identified “keystone” plant species that make up the foundation of many U.S. ecosystems by producing food for native insects, thus ...

University of Delaware entomologist Doug Tallamy's research has identified “keystone” plant species that make up the foundation of many U.S. ecosystems by producing food for native insects, thus ...