In New Jersey, it’s illegal to keep female blue crabs that have visible egg sacs attached. All female crabs with eggs or spawn attached must be released, according to the New Jersey Department ...

Gail Samko's Australian Shepard-cattle dog mix, Rio, spots a spotted lanternfly egg sac mass on a tree, May 5, in Cleveland Metroparks' Garfield Park Reservation in Garfield Heights, Ohio.

But now researchers are deploying a new weapon to slow its advance — specially trained dogs with the ability to sniff out the winged insect's eggs before they hatch. Since late last year ...