Helophorus alternans
- kingdom: Animalia
- phylum: Arthropoda
- class: Insecta
- order: Coleoptera
- family: Helophoridae
- genus: Helophorus
- species: Helophorus alternans
Bembridge- Brightlingsea
- Brockenhurst
- Burnham on Crouch
- Chatham
- Cheam
- Dover
- Elton
- Freshwater
- Heacham
- Hythe
- Ince
- Landewednack
- Lydd
- Lymington
- Morden
- Moreton
- Newhaven
- Newington
- Pevensey
- Queenborough
- Rainham
- Rye
- Saint Leonards-on-Sea
- Seaview
- Sheerness
- Shotley Gate
- Sittingbourne
- Southampton
- St. Buryan
- Stoke
- Stone
- Sway
- Walton-on-the-Naze
- Yarmouth
England
United Kingdom