Giant Robber Fly vs Cape Mountain Katydid

Side-by-side species comparison

Attribute Giant Robber Fly Cape Mountain Katydid
Scientific Name Promachus fitchii Pseudosaga incerta
Order Diptera Orthoptera
Family Asilidae Tettigoniidae
Size 20-35 mm 40-60mm
Habitat Meadows Mountains
Diet Predators Predators
Regions North America Africa
Conservation Least Concern Vulnerable

Giant Robber Fly

A large, bristly predatory fly with powerful grasping legs and a sharp proboscis. It ambushes prey in mid-air with remarkable speed and precision, including insects larger than itself.

💡

Did You Know?

Robber flies inject prey with saliva containing neurotoxins and digestive enzymes, liquefying the insides and then sucking them out.

Cape Mountain Katydid

A large predatory katydid with bold orange and blue-green warning colors. Found only on high mountain peaks in the Cape region. It is wingless and relies on chemical defenses.

💡

Did You Know?

When threatened it curls up to display its bright warning colors and can secrete a noxious chemical from its body.