Gallery A quick peek at diversity with a black light 30 June 2013 Justin Montemarano Leave a comment Like the other OTS stations and many other field stations found in Costa Rica, Las Cruces has a black-light + white-sheet set-up to attract nocturnal insects for viewing. Here’s some quick shots I took last night. My favorite of the bunch Longhorn beetle – Cerambycidae Monster Pelecinidae wasp. Scarab