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73.208 ~ 2242 ~ Sword-grass ~ Xylena exsoleta
UK Status

Resident and suspected migrant. Nat. Scarce B N,C.

Montgomeryshire Status

A 'Nationally Scarce B' species. This rare species hasn't been seen in the county since 1944 in Newtown. Probably extinct.

Wingspan :  M & F, 55-66mm.

Confusion species

Red Sword-grass.
Flight time (Montgomeryshire)


Moorland, open woodland and upland scrub.


A wide range of herbaceous plants.

Lifestage data

Overwinters as an adult, mating in the spring. Larva May-July, feeding both day and night. Pupates in a cocoon in the debris.
Montgomeryshire photos