Blue Flea Beetle vs Southern Festoon

Side-by-side species comparison

Attribute Blue Flea Beetle Southern Festoon
Scientific Name Altica lythri Zerynthia polyxena
Order Coleoptera Lepidoptera
Family Chrysomelidae Papilionidae
Size 4-5 mm 46-56 mm wingspan
Habitat Rivers & Streams Heathland
Diet Herbivores Herbivores
Regions Europe Southern and eastern Europe
Conservation Least Concern Least Concern (protected in many countries)

Blue Flea Beetle

A small metallic blue-green flea beetle that feeds on willowherb and evening primrose. Has enlarged hind femora enabling it to jump considerable distances. Widespread but often overlooked.

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Did You Know?

Despite its tiny size, it can jump over 100 times its own body length using its powerful hind legs.

Southern Festoon

A strikingly patterned butterfly with yellow wings marked with black zigzags and red spots. It is one of Europe's earliest spring butterflies and resembles a small, ornate kite.

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Did You Know?

Its larvae sequester toxic aristolochic acids from their food plant, making all life stages unpalatable to birds.