The third additional species of the genus Blastobasis to be found new to Britain in the last sixteen years. John Langmaid identified two specimens from a collection of B.adustella and B. vittata taken in his Southsea garden trap during 2013.
The abundance in each month is indicated as follows:
No records
Very occasional
Irregular
Uncommon
Off-peak, but not unusual
Off-peak, but not unusual
Main flight time