Physicodes-case bearing moth caterpillars
Evergreen Bagworm moth Thyridopteryx ephemeraeformis unconfirmed Maryland US photo Keith Gooding

Notodontidae-Prominent moth caterpillars
Major Datana or Azalea caterpillar (Datanor major) on azalea, Louisiana US photo Sue Mathes
Major Datana or Azalea caterpillar (Datanor major) on azalea, S Carolina photo Al Markham
Red Humped Oakworm (Symmerista canicosta) or White Headed Prominent (Symmerista albifrons) caterpillar - photo Rebecca of Minnesota, US
Red Humped Oakworm (Symmerista canicosta) or White Headed Prominent (Symmerista albifrons) caterpillar - photo Rebecca of Minnesota, US
Red Humped Oakworm (Symmerista canicosta) or White Headed Prominent caterpillars (Symmerista albifrons) Vermont US photo Amanda Burton
Saddled Prominent or Maple Prominent caterpillar (Hetercampa guttivitta) South Jersey US - photo Quinnie Paulsgraf
Unicorn caterpillar ( Schizura unicornis) US photo Dana Padgett
Unicorn caterpillar ( Schizura unicornis) US photo Dana Padgett
White Blotched Heterocampa prepupating caterpillar (Heterocampa umbrata) Hogansville Ga US photo Cherry Bowling
White-blotched Heterocampa caterpillar (Heterocampa umbrata) Arkansas US photo Skeeter Berry
White-blotched Heterocampa caterpillar (Heterocampa umbrata) Louisiana US photo Sierra Morrison
White-blotched Heterocampa caterpillar (Heterocampa umbrata) Missouri US photo Cindy Miller
Yellow-Necked Caterpillar (Datana ministra) Los Angeles, US - photo Shannon Schiro

Noctuidae-Owlet, Cutworm and Underwing moth caterpillars
2107 Large Yellow Underwing caterpillars (Noctua pronuba) green and brown forms © 2009 Steve Ogden
Beautiful-Wood-Nymph-caterpillar (Eudryas grata) Maine US photo Michelle Ritchie-Haddow
Camphorweed cucullia caterpillar Texas © 2015 Bart Eason
citrus-fruit-piercer caterpillar (Gonodonta-nutrix)
Convict caterpillar, Spanish Moth, Xanthopastis regnatrix - Alabama US - photo Debra Harris
Eight Spotted Forester caterpillar (Alypia octomaculata) on vine in US photo Victoria Palen
fruit piercer caterpillar Miami Florida photo Jenee Zaydon
Large Yellow Underwing cutworm Noctua pronuba © 2009 Steve Ogden
Pearly-Wood-nymph- caterpillar (Eudryas grata)
Tobacco Budworm on petunias (Heliothis virescens) NY US sighting Jacqueline Versace
Tobacco Budworm on petunias (Heliothis virescens) NY US sighting Jacqueline Versace
Turbulent phosphila caterpillar (Phosphila turbulenta) Pennsylvania US photo Shawn McCurdy
Yellow-striped Armyworm (Spodoptera ornithogalli) Florida - photo Helen D'Ambrosi

Pantheidae- Pantheas and Yellowhorn moth caterpillars
Laugher moth caterpillar Charadra deridens New Hampshire US photo Krista Butterfield
Laugher moth caterpillar Charadra deridens New Hampshire US photo Krista Butterfield
Laugher moth caterpillar head Charadra deridens New Hampshire US photo Krista Butterfield

UScaterpillars
Caterpillar found on Kale California USA © 2016 Rachel Willier
Spiny Oakworm caterpillar unconfirmed - © J L Blum
Toadflax Brocade caterpillar (Calophasia lunula) Ontario, Canada photo Elora Long