Zodion Thick-headed Fly vs Cuckoo Wasp

Side-by-side species comparison

Attribute Zodion Thick-headed Fly Cuckoo Wasp
Scientific Name Zodion cinereum Chrysis ignita
Order Diptera Hymenoptera
Family Conopidae Chrysididae
Size 5-8 mm 6-12 mm
Habitat Underground Underground
Diet Nectar Feeders Nectar Feeders
Regions Europe, North America Europe, Asia
Conservation Least Concern Least Concern

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.

Cuckoo Wasp

A stunning metallic jewel-toned wasp that lays eggs in other wasps nests. Can curl into an armored ball when attacked. Its iridescent colors are among the most vivid in nature.

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Did You Know?

Cuckoo wasps have an armored concave underside — when discovered by the host wasp, they curl into a perfect shiny ball that the host cannot sting through.