I use www.butterfliesofamerica.com as reference for neotropical specimens.
Danainae (Monarchs)
Heliconiinae (Longwings)
Lycaendae (Blues and Coppers)
Morphidae (Morpho)
Nymphalidae (Brushfooted)
Papilionidae (Swallowtails)
Pieridae (Whites and Sulphurs)
Riodinae (Metal marks)
Brassolidae species (owls)
Moths