English (US)
Sad Underwing
Saddled ProminentSage Sphinx
Sagebrush Sheep Moth
Sagebrush White
Sallow Apotomis Moth
Salt Marsh Moth
- Salt-and-Pepper Looper
- Sand Cutworm
- Sandhill Cutworm
- Sandplain Heterocampa
- Santa Ana Tussock Moth
Sappho Underwing
Satellite sphinx
Saturnus Ringlet
- Saucy Beauty Moth
- Scalloped Sallow
Scarlet Lichen Moth
Scarlet Underwing
Scarlet-bodied Wasp Moth
Scarlet-bodied Wasp Moth
- Schaus' Tussock Moth
- Scholastic Dart Moth
- Scops Witch Moth
- Scribbled Sallow
Scribe
Scudder's Duskywing- Scurfy Quaker
- Selicanis Moth
Semirelict Underwing
Separated Sphinx
Sequoia Pitch Moth
Sequoia Sphinx
- Seraph Moth
Sesame Leafroller
- Seton Lake Dart
- Shaded Gold Spot
- Shaded Umber
- Shadowy Arches
- Shagreened Slug Moth
- Sharp-lined Tussock Moth
Shining Underwing
Showy Holomelina
Shy Cosmet
Sierra Blue
Sierra Nevada Parnassian
- Silent Dart
Silver Meadow Fritillary
- Silver Whip
Silver-black Clearwing
Silver-bordered Fritillary
Silver-spotted Fern Moth
Silver-spotted Ghost Moth
Silver-spotted Halisidota
- Silvered Prominent
Similar Underwing
Sinuous Lytrosis Moth
- Six-spotted Gray Moth
- Slave Dart Moth
Sleepy Duskywing
Sleepy Underwing
- Sloping Sallow
- Sloping Sallow
Slosser's Buckmoth
- Small Heliothodes
- Small Heterocampa
Small Pebble
- Small Prominent
Small Tolype MothSmall-eyed sphinx
- Smeared Dagger
- Smith's Dart Moth
Smith's Sphinx
- Smoked Sallow
- Smoky Idia
- Smooth Amphipyra
- Snaky Arches
Sneezeweed Clearwing
Snowberry Clearwing
Snowy Eupseudosoma Moth
- Snowy-veined Apamea
Sonoran Sphinx
- Sonoran Tent Caterpillar Moth
Sooty Azure
Sophora Worm- Sordid Dart Moth
Sordid Tiger
Sordid Underwing
- Sordid Wainscot
- Southern Armyworm
- Southern Beet Webworm
Southern Cyan Tiger Moth
- Southern Eudeilinea Moth
- Southern Flannel Moth
Southern Horned Devil
- Southern Lappet Moth
Southern Monarch
Southern Pearly-eyeSouthern Pine Sphinx
Southern Quaker
- Southern Tolype Moth
- Southern Tussock Moth
- Southern Variable Dart
Southwestern Squash Vine Borer
- Southwestern Tent Caterpillar
- Southwestern Unicorn Prominent
- Soybean Looper
Spangled Sphinx
Spanish Moth
- Spartina Borer
Spear-Marked Black Moth
- Speared Dagger
Speckled Black Pyla Moth
- Speckled Renia
- Speckled Snout
- Spectacled Nettle
- Speyer's Cucullia
- Speyer's Hooded Owlet Moth
- Speyer's Paint
Spiny LooperSpiny Oakworm Moth
Splendid Royal Moth
Spot-banded Daggerwing
- Spotted Apatelodes Moth
- Spotted Clover
- Spotted Datana
- Spotted Grass Moth
Spotted Oleander Caterpillar
Spotted Tentiform Leafminer
- Spotted-legged Cutworm
- Spotted-sided Cutworm
Sprague's Pygarctia Moth
Spring Oak Leafroller Moth
- Spring Snowflake
- Spring Sooty
- Spruce False Looper
Spurious Sphinx
Squash Vine Borer
Steely Underwing
Steppe Tiger Moth
- Stirrup and Spear Dart
Stone's Buckmoth
Stored Grain Moth
- Straight-lined Dodia
- Straight-lined Plagodis
Strawberry Crown Moth
Strawberry Garden TortrixStreaked Calidota Moth
- Streaked Hooded Owlet
Streaked Sphinx
- Streaked Tussock Moth
- Streaky Falconer
Stretch's Underwing
- Striated Lichen Moth
- Strigulose Dagger
- Striped Chocolate-tip Moth
- Subflava Sedge Borer
- Subflexus Straw
- Subgothic Dart Moth
- Subject Lichen Moth
Sulphur Esperia Moth
- Sunflower Moth
Sunset Daggerwing
- Surena Looper
- Sutrina Moth
Sweet Underwing
Sweetbay Silkmoth
Sweetfern Underwing
Sweetheart Underwing
- Sweetpotato Webworm
Sycamore Borer
- Sycamore Tussock Moth
178 species