Subject
- Leafrollers1
- Lerema accius1
- Lesser Grapevine Looper1
- Lesser Maple Spanworm1
- Lethe appalachia1
- Lethe creola1
- Lethe portlandia1
- Libytheana carinenta1
- Lichens--North America--Classification1
- Limenitis arthemis arthemis1
- Limenitis arthemis astyanax1
- Lithacodes fasciola1
- Little Metalmark1
- Little Wife Underwing1
- Long-tailed Skipper1
- Lunate Zale1
- Lytrosis sinuosa1
- Macaria pustularia1
- Macaria species1
- Malacosoma americanum1