Laccophilus maculosus
- kingdom: Animalia
- phylum: Arthropoda
- class: Insecta
- order: Coleoptera
- family: Dytiscidae
- genus: Laccophilus
- species: Laccophilus maculosus
Lethbridge- Medicine Hat
- Nanton
Alberta- Golden
British Columbia- Winnipeg
Manitoba- Beloeil
- Mont-Saint-Hilaire
Quebec
Canada
Big Bear Lake- Descanso
- Kennedy
- La Habra
- Paso Robles
- Stockton
California- East Hartford
Connecticut- Evanston
- Evergreen Park
Illinois- Crawfordsville
Indiana- Coralville
Iowa- Gaithersburg
Maryland- Paxton
- West Concord
Massachusetts- Minneapolis
Minnesota- Reno
Nevada- Phillipsburg
- Rahway
New Jersey- Asheville
North Carolina- Easton
- Erie
- Millvale
- Sharpsville
- Skippack
Pennsylvania- Rapid City
South Dakota- Parowan
Utah- Middlebury
Vermont- Martinsburg
West Virginia
United States