Join Rangers in Great Smoky Mountains National Park as they release biocontrol beetles. The beetle, a species called Laricobius nigrinus, is a predator of the Hemlock Woolly Adelgid, an invasive insect from Asia that has wreaked havoc on many hemlock forests in the eastern United States.

This video is closed captioned. To turn captions on or off, click on the caption button in the right-hand corner of the viewer control bar.

Please note: The video below may take a moment to load and buffer. Please be patient, the video will begin automatically once it has buffered.

For more opportunities to go into the field and see science at Great Smoky Mountains National Park, visit the Dispatches from the Field main page. You can read more about the Hemlock Woolly Adelgid that's featured above in Issue 2 of Dispatches.