Margined Colletes vs Phasia Tachinid

Side-by-side species comparison

Attribute Margined Colletes Phasia Tachinid
Scientific Name Colletes marginatus Phasia hemiptera
Order Hymenoptera Diptera
Family Colletidae Tachinidae
Size 8-10 mm 7-10 mm
Habitat Beaches & Coastal Underground
Diet Nectar Feeders Nectar Feeders
Regions Europe Europe
Conservation Near Threatened Least Concern

Margined Colletes

A small, pale plasterer bee found in sandy coastal habitats across Europe. It nests in loose sand and forages on wild mignonette and sea holly.

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Did You Know?

Its dependence on both sandy nesting substrate and specialized coastal food plants makes it doubly vulnerable to habitat loss.

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.