March Fly vs Stone Grasshopper

Side-by-side species comparison

Attribute March Fly Stone Grasshopper
Scientific Name Bibio marci Prionotropis hystrix
Order Diptera Orthoptera
Family Bibionidae Pamphagidae
Size 10-13 mm 35-50 mm
Habitat Underground Underground
Diet Detritivores Herbivores
Regions Europe Europe
Conservation Least Concern Critically Endangered

March Fly

A common black fly that swarms in large numbers around Saint Marks Day in April.

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Did You Know?

Mating pairs fly joined together with the smaller male dangling beneath the female.

Stone Grasshopper

A heavy-bodied flightless grasshopper that resembles a lichen-covered pebble.

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Did You Know?

Its habitat in southern France has declined so severely it faces extinction.