Brown Hairstreak vs European Wheat Stem Sawfly

Side-by-side species comparison

Attribute Brown Hairstreak European Wheat Stem Sawfly
Scientific Name Thecla betulae Cephus pygmeus
Order Lepidoptera Hymenoptera
Family Lycaenidae Cephidae
Size 36-40 mm wingspan 8-10 mm (adult)
Habitat Hedgerows Farmland
Diet Omnivores Omnivores
Regions Europe, temperate Asia Europe, Asia, North America
Conservation Least Concern (declining in parts of range) Not Evaluated

Brown Hairstreak

A secretive butterfly with rich brown wings and an orange flash on the female's forewings. Adults spend most of their time in tree canopies, rarely descending to ground level.

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Did You Know?

Eggs are laid singly on blackthorn and are easier to find in winter than the elusive adults are in summer.

European Wheat Stem Sawfly

A stem-boring sawfly pest of wheat and other cereals throughout Europe and western Asia. It has also established in parts of North America.

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Did You Know?

Solid-stemmed wheat varieties were bred specifically to resist stem sawfly larval boring.