Norfolk status
Unknown.

Recently split from Pammene fasciana and confusion has arisen since.
It has long been controversial whether this species is just a dark form of P. fasciana or a separate species.

There are no clear genital differences observed between this species and P. fasciana.

According to Razowski (2003), Pammene herrichiana is a form of Pammene fasciana - Pammene fasciana f.herrichiana. The caterpillars of P. fasciana living in the fruits of various Oak species and Sweet Chestnut, while the caterpillars of the form herrichiana live in Beech nuts.
According to Haslberger et al. (2016), P. fasciana and P. herrichiana can be clearly distinguished morphologically, biologically and by small but significant differences in the DNA barcode. -lepiforum.org

Dark specimens recorded early in the season should be considered.

	Determination by Genitalia Examination (gen. det.) Required

Recorded in 1 (1%) of 74 10k Squares. First Recorded in 2024. Last Recorded in 2024. Additional Stats

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