Short-Winged Blister Beetle vs Japanese Genji Firefly

Side-by-side species comparison

Attribute Short-Winged Blister Beetle Japanese Genji Firefly
Scientific Name Meloe violaceus Luciola cruciata
Order Coleoptera Coleoptera
Family Meloidae Lampyridae
Size 15-32 mm 12-18 mm
Habitat Beaches & Coastal Rivers & Streams
Diet Herbivores Omnivores
Regions Europe Japan
Conservation Near Threatened Vulnerable

Short-Winged Blister Beetle

A blue-violet oil beetle found across Europe, often seen walking on paths and open ground in spring. Like other oil beetles, it oozes cantharidin-laced fluid from its joints when threatened.

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Did You Know?

A single female can lay over 4,000 eggs in a season, but fewer than one percent of larvae survive to adulthood.

Japanese Genji Firefly

An aquatic-larval firefly revered in Japanese culture, found near clean streams. It is one of the few fireflies whose larvae develop entirely in freshwater.

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Did You Know?

Annual firefly-viewing festivals called hotarugari have been held in Japan for over a thousand years in honor of this species.