Large Birch Cimbicid vs Cuckoo Wasp

Side-by-side species comparison

Attribute Large Birch Cimbicid Cuckoo Wasp
Scientific Name Cimbex connatus Chrysis ignita
Order Hymenoptera Hymenoptera
Family Cimbicidae Chrysididae
Size 18-28 mm 6-12 mm
Habitat Woodlands Underground
Diet Herbivores Nectar Feeders
Regions Northern and Eastern Europe, Siberia Europe, Asia
Conservation Least Concern Least Concern

Large Birch Cimbicid

A very large sawfly, closely related to C. femoratus, with a massive body and distinctly clubbed antennae. Adults vary in color from yellowish to dark brownish-black.

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Did You Know?

This species was once confused with C. femoratus until detailed morphological studies separated them as distinct species based on antennal and genital characters.

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.