Giant Brazilian Longhorn vs Long-snouted March Fly

Side-by-side species comparison

Attribute Giant Brazilian Longhorn Long-snouted March Fly
Scientific Name Derobrachus geminatus Bibio lanigerus
Order Coleoptera Diptera
Family Cerambycidae Bibionidae
Size 60-90 mm 8-11 mm
Habitat Forests Orchards
Diet Root Feeders Root Feeders
Regions South America (Brazil, Paraguay, Argentina) Europe
Conservation Least Concern Least Concern

Giant Brazilian Longhorn

A very large longhorn beetle with powerful mandibles and long, segmented antennae. The body is dark brown to black with a rough, sculptured texture. Adults are nocturnal and attracted to lights. Larvae bore into the roots of large trees.

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Did You Know?

Its larvae can spend up to five years developing inside tree roots before emerging as adults that live only a few weeks.

Long-snouted March Fly

A robust, hairy black march fly with a woolly thorax and relatively large body for the family. Adults emerge in spring and are frequently seen on hawthorn and blackthorn blossom.

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Did You Know?

Bibionidae larvae are sometimes so abundant in pasture soil that they can damage grass roots, leaving brown patches.