Kebnat
INSECTS

American Giant Water Bug

Lethocerus americanus

Insects
American Giant Water Bug, Adult
American Giant Water Bug, Nymph
American Giant Water Bug, Male
5–6 cmLength

True bug in the family Belostomatidae 5–6 cm long. Lives in marshes and near water. Its aquatic larva feeds on animal prey.

There are 352 observations of American Giant Water Bug in Québec, mostly in Abitibi-Témiscamingue, Montérégie and Capitale-Nationale, and it has been reported in every region. They peak in May and become rare from November to March.

Through the year

JFMAMJJASOND

Where to see it

  1. Abitibi-Témiscamingue70
  2. Montérégie51
  3. Capitale-Nationale47
  4. Outaouais40
  5. Estrie30
  6. Montréal25
  7. Lanaudière19
  8. Laurentides17
  9. Mauricie9
  10. Bas-Saint-Laurent8
  11. Saguenay–Lac-Saint-Jean7
  12. Gaspésie–Îles-de-la-Madeleine6
  13. Chaudière-Appalaches6
  14. Côte-Nord6
  15. Centre-du-Québec5
  16. Laval4
  17. Nord-du-Québec2

Habitat

MarshAlexander Rumpel
Water’s edgeGogerr

Similar species

Eastern Toe-biterBenacus griseus
River belostomaBelostoma flumineum
Rugose water scorpionNepa apiculata
DragonhunterHagenius brevistylus
Giant Water Scavenger BeetleHydrophilus triangularis
Notonecta irrorataNotonecta irrorata