Banded Demoiselle
Calopteryx splendens
Population Status: Abundant along occupied rivers and streams west of the Yorkshire Wolds. East of the Wolds it is a scarce visitor with single individuals irregularly recorded at well watched sites. There are small signs that it may be about to start to colonise the Hull Valley.
National Flight Period: Mid-April to late September, though generally mid-May to early September, being most abundant during June and July.
VC61 Flight Period: Late May to early September.