Morley’s Final Catalogue: Found at Hemley in 1902 (Wir; Trans, i, 36). One at Fritton in 1935 (Gd).

Recent Status: Scarce in Suffolk.

Life Style: A single brooded species that can be found during May and June. Very little is otherwise known about the species. The larva is thought to feed in rotting wood on a single piece of presumptive evidence.

Identification: An instantly recognised species from the triangular shape at rest and three whitish spots on a dark wing.

Recorded in 10 (17%) of 58 10k Squares. First Recorded in 1902. Last Recorded in 2023. Additional Stats

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