English (US)
La Sagra's Sphinx
Labrador Tiger Moth
Lacecapped Caterpillar- Lafontaine's Tiger Moth
- Lanceolate Dagger
- Langton's Forester
Lantana Plume MothLarch Silkmoth
Larch Tolype Moth- Large Bomolocha
- Large Grey Pinion
- Large Hypenodes Moth
- Large Looper
- Large Tolype Moth
Lassaux's sphinx
- Laudable Arches
Laure
Laurel Sphinx
Laurelcherry Smoky Moth- Laurentine Idia
Leafy Sphinx
Leafy Spurge Hawk Moth
- Least Hypocrisias
Lebeau's Silkmoth
Leconte's Haploa
Lesser Black-letter Dart
Lesser False Fritillary
Lesser Grape Root Borer
Lesser Peachtree Borer
Lesser Viburnum Clearwing
- Lesser Wainscot
Lesser Wasp Moth
Lettered Habrosyne MothLettered Sphinx
- Lettered Zanclognatha Moth
Libya Sphinx
Lilac Borer
- Lilac Moth
Lincoln Underwing
Linda's Emperor
- Linden Prominent
- Lined Quaker
Lined Ruby Tiger
Lineella Underwing
- Lintner's Gluphisia
- Lintner's Pebble
- Litocala Moth
- Little Arches
- Little Bear
Little Black
Little Bride Underwing
Little Carol's Wasp Moth
- Little Carpenterworm Moth
- Little Dark Gem
- Little Ochre Lichen Moth
- Little Shaded Lichen Moth
- Little Underwing
Little Virgin Tiger Moth
- Little White Lichen Moth
Little Wife Underwing
- Live Oak Tussock Moth
Locust borer
- Long-palped Mycterophora
Long-streaked Halisidota
- Lost Sallow
Louise's Underwing
- Louise's Underwing Moth
Louisiana Eyed Silkmoth
Lucerne Moth- Lunar Eudesmia
- Lunate Zale
Lupine Borer
- Lupine Dagger
Lupine Ghost Moth
Lusk's Pine Moth
Lustrous Copper
- Lycophotia Moth
Lydia Tiger Moth
Lyman's Haploa
83 species