Moth Ball: 7-11 p.m. July 27, 2018 at Davis-Douglas Farm in Plymouth, MA. Hosted by the Pine Barrens Alliance. Caterpillar Lab of Keene, N.H., will provide an assortment of creatures of the night and supervise the capture and identification of live moths as well. Enjoy cake, popcorn and root beer floats. Tickets are $5 each; $20 for a family up to five. For information: sempba.org.