Burrowing Mayfly vs African Giant Water Bug

Side-by-side species comparison

Attribute Burrowing Mayfly African Giant Water Bug
Scientific Name Hexagenia limbata Lethocerus cordofanus
Order Ephemeroptera Hemiptera
Family Ephemeridae Belostomatidae
Size 18-32 mm body 60-85 mm
Habitat Ponds & Lakes Ponds & Lakes
Diet Omnivores Predators
Regions North America East Africa (Kenya, Tanzania, Uganda, Ethiopia)
Conservation Least Concern Least Concern

Burrowing Mayfly

Creates massive synchronized emergences so dense they appear on weather radar. Billions emerge simultaneously from lake bottoms where nymphs burrowed for up to two years.

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Did You Know?

Mayfly emergences along the Mississippi River are so massive they show up on Doppler weather radar — billions of insects rising simultaneously look like approaching thunderstorms.

African Giant Water Bug

A massive aquatic predatory bug with powerful raptorial forelegs for catching prey. It can grow to over 80 mm and is one of the largest insects found in East African freshwater habitats.

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Did You Know?

It can deliver an extremely painful bite with its piercing-sucking mouthparts, injecting enzymes that liquefy prey tissues for consumption.