Organ Pipe Mud Dauber vs Narrow-mouth Ground Beetle

Side-by-side species comparison

Attribute Organ Pipe Mud Dauber Narrow-mouth Ground Beetle
Scientific Name Trypoxylon politum Abax parallelepipedus
Order Hymenoptera Coleoptera
Family Crabronidae Carabidae
Size 15-20 mm 18-22 mm
Habitat Underground Woodlands
Diet Predators Predators
Regions North America Western and Central Europe
Conservation Least Concern Least Concern

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.

Narrow-mouth Ground Beetle

A large, shiny black ground beetle with a distinctive parallel-sided body shape. It is one of the most common large carabids in European woodlands, active at night under logs and stones.

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Did You Know?

Its perfectly rectangular body shape is so precise and regular that it was given the species name 'parallelepipedus,' meaning resembling a geometric parallelepiped.