Bug FAQEvening Cicada
Tanna japonensis · Order: Hemiptera · Family: Cicadidae
Male evening cicadas are 28 to 38 mm long, females 21 to 25 mm, and have a reddish-brown body with green around the eyes and thorax. They are found throughout Japan from Hokkaido to Amami Ōshima, living in cypress, cedar and hardwood forests in both mountains and lowlands. Their loud calls are heard daily from September through mid-October, with the peak season in autumn.
Source: Wikipedia
How to recognize it
Males have a longer, thicker abdomen than females, making the sexes easy to tell apart.
Source: Wikipedia
What it eats
The parasitic moth Epipomponia nawai uses the cicada as a host for its eggs. Flesh flies also attack the cicada.
Source: Wikipedia
More photos
Questions people ask
When can I hear evening cicadas?
You can hear them almost daily from September through mid-October, with the strongest presence in autumn.
Source: Wikipedia
How can I tell male and female evening cicadas apart?
Males are larger (28 to 38 mm) and have a longer, thicker abdomen, while females are smaller (21 to 25 mm).
Source: Wikipedia
What do evening cicadas look like?
They have a reddish-brown body with green around the eyes and thorax; mountain individuals tend to be darker.
Source: Wikipedia
Where are evening cicadas found in Japan?
They live in cypress, cedar, and hardwood forests from Hokkaido in the north to Amami Ōshima in the south, occupying both mountainous and lowland areas.
Source: Wikipedia
Same family (Cicadidae)
Sources
- Wikipedia: https://en.wikipedia.org/wiki/Tanna_japonensis
Look it up elsewhere: GBIF · iNaturalist · BugGuide · Wikipedia
Text written 2026-10-24 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-23.