Dwight Sullivan, right, of ProMega BioSciences, hands Colby Elkins, 7, $13 cash for the 36 grams of lightning bugs he collected, as siblings Hannah Reed, 9, and her brother John, 11, look on. The Reeds earned $39 for the 106 grams they turned in at the Civic Center Thursday. The insects will be used for food testing, among other applications.