What are the chances of seeing a Ducetia japonica in Shanghai?
With luck
About 10% of wildlife watchers report a Ducetia japonica sighting in Shanghai on a given day, based on 15 verified sightings from GBIF citizen-science data. It is the 115th most-seen of the 215 insects we can rate there. Over three days the chance rises to about 20%, and over a week to about 30%, if each day is a fresh chance.