Morley’s Final Catalogue: Distinctly local, but not uncommon. Since 1890 observed at Ipswich where it is frequent (Pyett, Bp.), and abundantly at Monks Soham light during July and August 1904-37 (Mly). Cavenham in 1936 (Gd).

Recent Status: Recorded commonly across the county.

Life Style: A double brooded species flying at night and coming to light. The abundance of the moth in the second brood varies considerably. The larvae feed on dead and decaying vegetable matter from thatches, dead leaves to compost heaps. They pupate in a tough cocoon.

Identification: Hypsopygia glaucinalis, a triangular moth at rest, has purplish grey forewings with a variable ferruginous tinge, particularly along the costa. There are fine yellow pre and post median lines that widen slightly at the costa and a series of yellow spots on the costa between them.

Recorded in 47 (81%) of 58 10k Squares.
First Recorded in 1890.
Last Recorded in 2023.