Tormus Bee vs Common Thick-headed Fly

Side-by-side species comparison

Attribute Tormus Bee Common Thick-headed Fly
Scientific Name Perdita minima Sicus ferrugineus
Order Hymenoptera Diptera
Family Andrenidae Conopidae
Size 1.5-2 mm 8-12 mm
Habitat Deserts & Drylands Underground
Diet Nectar Feeders Nectar Feeders
Regions Southwestern United States Europe
Conservation Least Concern Least Concern

Tormus Bee

The smallest known bee in the world at under 2 mm in length. It is a solitary ground-nesting species found in the southwestern US deserts.

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Did You Know?

It is so tiny that it could comfortably fit inside the letter O on a printed page.

Common Thick-headed Fly

A distinctive orange-brown fly with a disproportionately large, inflated head and a curved abdomen. It perches conspicuously on flowers waiting to intercept passing bumblebees.

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Did You Know?

The parasitized bumblebee eventually dies and buries itself in the ground, where the fly larva pupates inside the bee.