Along the shores of Maryland, Virginia and Delaware, a firefly flickers with two distinct green flashes. First discovered in 1949 and named for a Delaware coastal town, the Bethany Beach firefly is a beetle endemic to the mid-Atlantic area that emerges every June and July.

The U.S. Fish and Wildlife Service has determined the Bethany Beach firefly is likely to become endangered. Here's all to know.

The U.S. Fish and Wildlife Service has proposed that a rare firefly found near sand dunes on Maryland, Delaware and Virginia beaches be named a threatened species under the Endangered Species Act.

The U.S. Fish and Wildlife Service has proposed to list the Bethany Beach firefly as threatened under the Endangered Species Act, which would grant greater conservation efforts for the rare insect’s habitat. The move marks the first time a firefly could receive federal protections.

The U.S. Fish and Wildlife Service nominated its first firefly for protection under the Endangered Species Act.

The U.S. Fish & Wildlife Service (FWS) is eyeing federal protections for a coastal insect on the brink of becoming an endangered species.