Screech Beetle vs Organ Pipe Mud Dauber

Side-by-side species comparison

Attribute Screech Beetle Organ Pipe Mud Dauber
Scientific Name Hygrobia hermanni Trypoxylon politum
Order Coleoptera Hymenoptera
Family Hygrobiidae Crabronidae
Size 8-10 mm 15-20 mm
Habitat Ponds & Lakes Underground
Diet Predators Predators
Regions Europe, North Africa North America
Conservation Least Concern Least Concern

Screech Beetle

A medium-sized, reddish-brown water beetle that produces an audible squeaking sound when handled. It is found in muddy ponds across Europe.

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Did You Know?

It produces a squeaking noise by rubbing its abdomen against the inside of its wing cases.

Organ Pipe Mud Dauber

A slender black wasp that builds distinctive parallel tubes of mud resembling organ pipes under eaves and overhangs. Males guard the nest while females hunt.

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Did You Know?

Males are unusually dedicated fathers for wasps, standing guard at the nest entrance against parasites while the female hunts.