This flying squirrel is reported from Java and Bangka. At Mount Ungaran in Central Java, a paper documented nighttime activity in October 2024; the three animals observed were mainly in trees.
The individual photographed at Mount Ungaran had a brown back and grey flank hairs. The edge of its gliding membrane had black hairs, and its tail looked dark and flattened.
Three animals were observed at 10 p.m. on 5 and 6 October 2024, mainly in trees. The one animal photographed was on the forest floor.
An extinction-risk assessment has not been added yet.