Eastern Carpenter Bee vs Zodion Thick-headed Fly

Side-by-side species comparison

Attribute Eastern Carpenter Bee Zodion Thick-headed Fly
Scientific Name Xylocopa virginica Zodion cinereum
Order Hymenoptera Diptera
Family Apidae Conopidae
Size 19-23 mm 5-8 mm
Habitat Gardens Underground
Diet Nectar Feeders Nectar Feeders
Regions Eastern North America Europe, North America
Conservation Not Evaluated Least Concern

Eastern Carpenter Bee

A large robust bee that resembles a bumble bee but has a shiny black hairless abdomen. It excavates nesting tunnels in wood and is an effective pollinator of many garden flowers and crops.

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Did You Know?

Males are extremely territorial and will hover aggressively near people, but they lack a stinger and cannot sting.

Zodion Thick-headed Fly

A small, grayish-brown conopid fly with a slightly swollen head and prominent proboscis. It is commonly found on flowers where it stalks small bees and wasps for parasitism.

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Did You Know?

Unlike larger conopids that tackle bumblebees, this species specializes in parasitizing smaller sweat bees and halictids.