So she started watching the bugs and noticed something.
“They want to go up and not down. Once I discovered that I was like, ‘Oh wait, I’ll create a little barrier for them,'" she said.
“One day, I was out there and I had put tinfoil around the tree and I accidentally made a little hole where the clothespin was connecting the two ends and it got through, and I’m like, ‘Ugh, it got through.’ And then I was like, ‘Wait, it got through!’ And that was basically where I got the idea," the 14-year-old said.
After wins at the county level and at Drexel’s Del Val Science Fair, she’s one of just 30 students from across the country who will present at the Broadcom MASTERS Competition in Washington, D.C. next month.
She's applied for a patent, but acknowledges there’s a lot that needs to be done before it could be marketed. But, Bergey said, if it helps people catch and kill spotted lanternflies and save trees, it’s all worth it.
Alaina Gassler from West Grove, Chester County designed a system to help reduce blind spots on cars and is also among the 30 finalists.