Birch Leaf Beetle vs Onion Thrips

Side-by-side species comparison

Attribute Birch Leaf Beetle Onion Thrips
Scientific Name Chrysomela collaris Thrips tabaci
Order Coleoptera Thysanoptera
Family Chrysomelidae Thripidae
Size 6-8 mm 1-1.3 mm
Habitat Mountains Farmland
Diet Herbivores Herbivores
Regions Northern and Central Europe, Siberia Europe, Asia, Africa, North America, South America, Oceania
Conservation Least Concern Least Concern

Birch Leaf Beetle

A handsome beetle with dark metallic blue-black elytra and a contrasting bright red pronotum. It is found on birch trees in northern and mountainous regions of Europe.

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Did You Know?

The striking red-and-blue color combination serves as aposematic warning coloration, advertising the beetle's chemical defenses to potential predators.

Onion Thrips

A cosmopolitan pest of onions, garlic, and many other crops. It can reproduce both sexually and parthenogenetically and transmits iris yellow spot virus.

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Did You Know?

Onion thrips can reproduce without mating through parthenogenesis, allowing a single female to establish an entire infestation.