About 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.
Did You Know?
Annual firefly-viewing festivals called hotarugari have been held in Japan for over a thousand years in honor of this species.
How to Identify Japanese Genji Firefly
Japanese Genji Firefly (Luciola cruciata) belongs to the order Coleoptera, family Lampyridae. Adults typically measure 12-18 mm.
Japanese Genji Firefly Habitat
Japanese Genji Firefly is found in rivers & streams habitats, particularly across Japan. This species has adapted to thrive in its preferred environment, where it can find suitable food sources and shelter.
Japanese Genji Firefly Diet and Feeding
Japanese Genji Firefly has an omnivorous diet, feeding on both plant and animal matter. This dietary flexibility allows it to exploit a wide range of food sources in its environment.
Where Is Japanese Genji Firefly Found?
Japanese Genji Firefly can be found in Japan, where it inhabits rivers & streams environments. Its distribution is influenced by climate, food availability, and habitat suitability.
Distribution Map
Where Japanese Genji Firefly can be found
Is Japanese Genji Firefly Dangerous?
Japanese Genji Firefly is generally harmless to humans. It does not bite or sting and poses no significant health risk. Like most insects, it prefers to avoid human contact and will typically flee rather than confront a perceived threat.
Japanese Genji Firefly Role in Nature
Japanese Genji Firefly plays a role in its ecosystem as part of the food web, serving as both consumer and prey. Insects like Japanese Genji Firefly are a vital food source for birds, bats, and other wildlife, and contribute to the overall health and balance of their environment.
Seasonal Activity
Frequently Asked Questions About Japanese Genji Firefly
What does Japanese Genji Firefly look like?
The Japanese Genji Firefly typically measures 12-18 mm.
Where is Japanese Genji Firefly found?
The Japanese Genji Firefly is found in Japan and typically inhabits rivers & streams environments.
What does Japanese Genji Firefly eat?
The Japanese Genji Firefly has an omnivorous diet, feeding on both plant and animal matter.
Is Japanese Genji Firefly dangerous to humans?
The Japanese Genji Firefly is generally harmless to humans. It does not bite or sting and poses no significant health risk.
Is Japanese Genji Firefly endangered?
The Japanese Genji Firefly is currently classified as Vulnerable by conservation assessments. Habitat loss and environmental changes are among the primary threats to its population.
What is an interesting fact about Japanese Genji Firefly?
Annual firefly-viewing festivals called hotarugari have been held in Japan for over a thousand years in honor of this species.
Cite This Page
APA:
InsectDiscover. (2026). Japanese Genji Firefly (Luciola cruciata). Retrieved from https://insectdiscover.com/insect/japanese-genji-firefly
MLA:
"Japanese Genji Firefly." InsectDiscover, https://insectdiscover.com/insect/japanese-genji-firefly.