Striped Alder Sawfly vs Chalk Hill Blue

Side-by-side species comparison

Attribute Striped Alder Sawfly Chalk Hill Blue
Scientific Name Hemichroa crocea Polyommatus coridon
Order Hymenoptera Lepidoptera
Family Tenthredinidae Lycaenidae
Size 7-9 mm Wingspan 33-40mm
Habitat Rivers & Streams Grasslands
Diet Herbivores Herbivores
Regions North America, Europe Europe
Conservation Least Concern Least Concern

Striped Alder Sawfly

A brightly colored sawfly with an orange body and black markings on the thorax. Larvae are pale yellowish-green with dark dorsal stripes and feed on alder and birch.

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Did You Know?

This species can reproduce both sexually and parthenogenetically, with unfertilized eggs developing into males.

Chalk Hill Blue

A large blue butterfly with silvery-blue males and brown females. Restricted to chalk and limestone grasslands.

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Did You Know?

Males have an ethereal silvery-blue tone unique among European butterflies, visible in large numbers on chalk hills.