Sack-bearing moth (Mimallonidae: Lacosoma, possibly an undescribed species), so named for the open-ended casings in which their larvae overwinter. (Monteverde, Costa Rica)
Plume moth (Pterophoridae) from Montverde, Costa Rica. Members of this family are relatively easy to identify thanks to their unique T-shaped profile.
A very perky grass moth (Crambidae: possibly genus Lineodes) from Monteverde, Costa Rica.