Japanese Genji Firefly vs Brown-Banded Cockroach

Side-by-side species comparison

Attribute Japanese Genji Firefly Brown-Banded Cockroach
Scientific Name Luciola cruciata Supella longipalpa
Order Coleoptera Blattodea
Family Lampyridae Ectobiidae
Size 12-18 mm 10-14 mm
Habitat Rivers & Streams Underground
Diet Omnivores Omnivores
Regions Japan North America, Europe, Africa, Asia
Conservation Vulnerable Least Concern

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.

Brown-Banded Cockroach

A small cockroach with two distinctive light brown bands across its wings and abdomen. Unlike most cockroach pests, it prefers warm, dry locations high on walls.

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Did You Know?

Brown-banded cockroaches are unique among indoor pest species in preferring warm, dry areas like behind electronics rather than the moist kitchens and bathrooms other species favor.