Blue Mud Dauber vs River Clubtail

Side-by-side species comparison

Attribute Blue Mud Dauber River Clubtail
Scientific Name Chalybion californicum Stylurus flavipes
Order Hymenoptera Odonata
Family Sphecidae Gomphidae
Size 10-23 mm 50-55mm
Habitat Gardens Rivers & Streams
Diet Predators Predators
Regions North America Europe, Asia
Conservation Least Concern Near Threatened

Blue Mud Dauber

A metallic blue wasp that preys on black widow spiders. It reuses mud nests built by other dauber species rather than constructing its own.

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Did You Know?

It specifically targets black widow spiders to provision its nest.

River Clubtail

A large clubtail dragonfly with yellow and black markings and a distinctly expanded abdomen tip. It breeds in large lowland rivers with sandy beds. Adults spend much time hanging in tree canopies.

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Did You Know?

Adults spend most of their time high in riverside trees, only descending to water to breed, making them hard to observe.