Possibly under-recorded as cannot be readily distinguished as an adult from Grey Dagger (Acronicta psi) except by examination of the genitalia.
Unconfirmed specimens please record as Dark/Grey Dagger agg.
Map shows only confirmed post 2000 records. (pre 2000 data unconfirmed)
|Determination by Genitalia Examination (gen. det.) Required|
Recorded in 37 (54%) of 69 10k Squares.
First Recorded in 1834.
Last Recorded in 2019.