Phasia Tachinid vs Long-snouted March Fly

Side-by-side species comparison

Attribute Phasia Tachinid Long-snouted March Fly
Scientific Name Phasia hemiptera Bibio lanigerus
Order Diptera Diptera
Family Tachinidae Bibionidae
Size 7-10 mm 8-11 mm
Habitat Underground Orchards
Diet Nectar Feeders Root Feeders
Regions Europe Europe
Conservation Least Concern Least Concern

Phasia Tachinid

A parasitic fly with distinctive dark-tipped wings that parasitizes shieldbug species. Males have broader wings than females. Adults visit flowers for nectar.

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Did You Know?

Larvae develop inside living shieldbugs, eventually consuming and killing their hosts.

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.