Yorkshire Status: Very rare and very local. No recent record.

Sutton & Beaumont, 1989: The VC63 records were made before the separation of H. ditella (Pierce, Metcalfe & Diakonoff).

Argus 63, 2011: There are two old records which were made before the separation of H. ditella (Fabr.) and which cannot now be confirmed. The only previous confirmed record is from VC63 in 1975. VC61. Thorp Hall park, 18.6.2011 gen. det. HEB (ASE). NEW VICE-COUNTY RECORD.

	Determination by Genitalia Examination (gen. det.) Required

Recorded in 9 (5%) of 200 10k Squares. First Recorded in 1859. Last Recorded in 2022. Additional Stats

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