Nasusina vaporata

Dainty Sulphur

Nathalis iole

Filament Bearer

Nematocampa resistaria

Columbian Emerald Moth

Nemoria darwiniata

Nemoria glaucomarginaria

Nemoria intensaria

Nemoria leptalea

Nemoria pistaciaria

Nemoria pulcherrima

Brown-lined Looper

Neoalcis californiaria

Lantana Stick Caterpillar

Neogalea sunia

Neoheliodines vernius

Ridings' Satyr

Neominois ridingsii

Pine White

Neophasia menapia

Neoterpes edwardsata

Neoterpes ephelidaria

Canary Thorn

Neoterpes trianguliferata

Bronzed Cutworm

Nephelodes minians

Nepytia umbrosaria

Neurobathra bohartiella

Nola involuta

Ceanothus Nola

Nola minna

Lucerne Moth

Nomophila nearctica

Ash-colored Nycteola

Nycteola cinereana

Mourning Cloak

Nymphalis antiopa

California Tortoiseshell

Nymphalis californica

Rural Skipper

Ochlodes agricola

Woodland Skipper

Ochlodes sylvanoides

Yuma Skipper

Ochlodes yuma

Oegoconia novimundi

Chryxus Arctic

Oeneis chryxus

Ofatulena duodecemstriata

Oidaematophorus phaceliae

Olethreutes atrodentana

Olethreutes deprecatorius

Pale Prominent Moth

Oligocentria pallida

Red-Washed Prominent

Oligocentria semirufescens

Western Bruce Spanworm

Operophtera occidentalis

Manto Tussock Moth

Orgyia antiqua

Western Tussock Moth

Orgyia cana

Douglas Fir Tussock Moth

Orgyia pseudotsugata

Western Tussock Moth

Orgyia vetusta

Orthodes noverca

The Gem

Orthonama obstipata

Orthosia ferrigera

Speckled Green Fruitworm Moth

Orthosia hibisci

Orthosia mys

Orthosia pacifica

Orthosia praeses

Orthosia transparens

Oxycnemis fusimacula

Western Poplar Sphinx Moth

Pachysphinx occidentalis

Paectes declinata

Paleacrita longiciliata

Gracile Palpita Moth

Palpita atrisquamalis

Three-Lined Leafroller Moth

Pandemis limitata

Pandemis Leafroller

Pandemis pyrusana

Wandering Skipper

Panoquina errans

Panthea gigantea

Cascades Panthea Moth

Panthea virginarius