Green-striped Darner vs Slender Pigeon Louse

Side-by-side species comparison

Attribute Green-striped Darner Slender Pigeon Louse
Scientific Name Aeshna verticalis Columbicola columbae
Order Odonata Phthiraptera
Family Aeshnidae Philopteridae
Size 63-72 mm 2-3 mm
Habitat Woodlands Farmland
Diet Omnivores Omnivores
Regions North America Europe, Asia, Africa, North America, South America, Oceania
Conservation Least Concern Least Concern

Green-striped Darner

A large darner of eastern North America with prominent green thoracic stripes. It flies late in the season and is often seen patrolling woodland edges.

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Did You Know?

It is one of the latest-flying darners in eastern North America, active into late October.

Slender Pigeon Louse

A long slender louse found between the barbs of wing and tail feathers of pigeons and doves. It is one of the most studied louse-host systems in biology.

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Did You Know?

This louse has become a model organism for studying coevolution, as its evolutionary tree closely mirrors that of its pigeon host species.