Yorkshire Status: Abundant and widespread resident.

Porritt's comment of "abundant everywhere" in 1883 still applies to this widespread species. It is easily disturbed by day and also comes readily to light. It is meant to be single brooded, flying from mid-May to late-July, however increasingly moths have been seen much later in the year, our latest record being on 5th November. It is usually easy to identify but is quite variable in that the central band can vary considerably in width and depth of color. Counts of over 50 both at light or flying at dusk are not uncommon.

Sutton & Beaumont, 1989: Probably the most common geometer by far in the County (though see X. fluctuata (Linnaeus) below) and very noticeable both during the day and in car headlamps at night. Recorded commonly in all five vice-counties.

Recorded in 186 (93%) of 200 10k Squares. First Recorded in 1879. Last Recorded in 2023. Additional Stats

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