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18.003 ~ 0465 ~ Plutella porrectella ~ Grey-streaked Diamond-back
UK Status

Resident. Widespread and can be common throughout the British Isles.

Montgomeryshire Status

Recorded from just two sites on the extreme western and eastern edges of the county. Both records pictured below.

Wingspan :   M & F, 14-17mm.

Confusion species

None.
Flight time & Voltinity (Bivoltine)

Habitat

Wherever the foodplant is found.

Foodplant

Dame's violet.

Lifestage data

Spinning. Eggs laid on underside of foodplant. Larva feeds in a very loose web on the underside of the leaf. Pupates in an open network cocoon under a leaf or on the ground.
map
Montgomeryshire photos

Photo by PRW, 10th June 2007, CAT

Photo by DB, 4th May 2011, Middletown