Bloody-Nosed Beetle vs Giant Robber Firefly

Side-by-side species comparison

Attribute Bloody-Nosed Beetle Giant Robber Firefly
Scientific Name Timarcha tenebricosa Photuris lucicrescens
Order Coleoptera Coleoptera
Family Chrysomelidae Lampyridae
Size 10-20 mm 12-16 mm
Habitat Hedgerows Meadows
Diet Omnivores Predators
Regions Western Europe Eastern North America
Conservation Least Concern Not Evaluated

Bloody-Nosed Beetle

A large, flightless, domed black beetle that oozes red fluid from its mouth when threatened. The secretion contains distasteful chemicals.

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Did You Know?

The red defensive fluid is actually hemolymph, the beetle equivalent of blood.

Giant Robber Firefly

A large predatory firefly from eastern North America that mimics the flash patterns of Photinus species. Females lure Photinus males to consume them.

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Did You Know?

Females can switch between multiple flash patterns, mimicking different prey species on a single evening.