Crane Fly vs Black-Tailed Deer Fly

Side-by-side species comparison

Attribute Crane Fly Black-Tailed Deer Fly
Scientific Name Tipula paludosa Chrysops niger
Order Diptera Diptera
Family Tipulidae Tabanidae
Size 15-25 mm 7-10 mm
Habitat Gardens Wetlands
Diet Root Feeders Blood Feeders
Regions Europe, North America, Asia Northeastern United States and southeastern Canada
Conservation Least Concern Least Concern

Crane Fly

Often mistaken for giant mosquitoes but completely harmless. Adults often do not feed at all. Larvae (leatherjackets) live in soil and can be lawn pests.

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Did You Know?

Despite looking terrifying, crane flies are completely harmless — they cannot bite or sting. Most adults live just a few days and many never eat at all.

Black-Tailed Deer Fly

A small dark deer fly with mostly blackened wings and green iridescent eyes. It is an aggressive daytime biter commonly encountered near wooded wetlands.

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Did You Know?

It is most active during overcast humid days and tends to bite repeatedly if swatted away without being killed.