
Community identification
Giant water bug (likely a toe-biter)
Belostoma sp.
- Order & Family
- Hemiptera; family Belostomatidae
- Size
- Typically 20–70 mm (0.8–2.8 in), depending on species; this individual appears roughly 45–55 mm long.
Natural Habitat
Freshwater ponds, marshes, slow streams, and nearby damp shoreline debris. Adults may leave water and are attracted to lights.
Diet & Feeding
A predatory piercing-sucking insect that injects digestive saliva and consumes juices from aquatic insects, crustaceans, tadpoles, fish, and occasionally small amphibians.
Behavior Patterns
Usually hides among vegetation or sediment, ambushes prey, and swims well using flattened hind legs. Adults can fly; males of some species carry egg masses on their backs until hatching.
Risks & Benefits
Its bite is intensely painful but generally not medically dangerous, and it does not normally attack people. It benefits freshwater ecosystems by controlling aquatic prey populations.