Horned Baboon Spider-hunting Wasp vs Malagasy Aquatic Beetle

Side-by-side species comparison

Attribute Horned Baboon Spider-hunting Wasp Malagasy Aquatic Beetle
Scientific Name Sphex tomentosus Hydrophilus madagascariensis
Order Hymenoptera Coleoptera
Family Sphecidae Hydrophilidae
Size 25-35 mm 30-40 mm
Habitat Deserts & Drylands Rivers & Streams
Diet Predators Predators
Regions East Africa (Kenya, Tanzania, Ethiopia, Uganda) Madagascar
Conservation Least Concern Least Concern

Horned Baboon Spider-hunting Wasp

A large, solitary wasp with a black body and metallic blue-green sheen. It hunts grasshoppers and katydids, paralyzing them and provisioning underground nest cells.

💡

Did You Know?

French naturalist Jean-Henri Fabre's observations of this wasp's rigid behavioral routines led to famous debates about insect intelligence.

Malagasy Aquatic Beetle

A large, shiny black aquatic beetle with a streamlined oval body. It carries a bubble of air beneath its body for underwater breathing and swims with alternating leg strokes.

💡

Did You Know?

Despite being called water scavenger beetles, the larvae are fierce predators of snails, tadpoles, and other aquatic invertebrates.