Subject
- Malacosoma disstria1
- Manduca1
- Manduca jasminearum1
- Manduca quinquemaculata1
- Manduca rustica1
- Manduca sexta1
- Meadow Fritillary1
- Megathymus yuccae1
- Melanolophia Moth1
- Melanolophia species1
- Melittia cucurbitae1
- Metallata absumens1
- Milbert's Tortoiseshell1
- Milkweed Tussock Moth1
- Monarch1
- Monarch butterfly1
- Mosses--Catalogs and collections1
- Mournful Sphinx1
- Mourning Cloak1
- Mourning cloak butterfly1