Common Crane Fly vs Slender Robber Fly

Side-by-side species comparison

Attribute Common Crane Fly Slender Robber Fly
Scientific Name Tipula oleracea Leptogaster cylindrica
Order Diptera Diptera
Family Tipulidae Asilidae
Size 15-25 mm body length 8-12 mm
Habitat Farmland Meadows
Diet Root Feeders Predators
Regions Throughout North America, originally from Europe Europe, Western Asia
Conservation Least Concern Least Concern

Common Crane Fly

A large gray-brown crane fly with extremely long fragile legs that often enters homes in autumn. Its larvae, called leatherjackets, are common turf pests.

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Did You Know?

Despite being frequently mistaken for giant mosquitoes, crane flies cannot bite and most adults never eat at all.

Slender Robber Fly

A delicate, narrow-bodied robber fly with an extremely slender abdomen. It hunts small insects among tall grass stems.

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Did You Know?

Its thread-like abdomen makes it almost invisible when resting on grass stems.