(c) Masatoshi Sone, some rights reserved (CC BY-NC), uploaded by Masatoshi Sone CC BY-NC · iNaturalist - Observations
- 28
- Peak
- early July
- Years Recorded
- 11
- First
- 2007-06-16
- Most Recent
- 2026-06-29
Verified observations per week, all years combined. Weeks with no records are left blank.
