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16.02 ~ 0441 ~ Paraswammerdamia nebulella
UK Status

Resident. Widespread throughout Britain as far north as Wester Ross.

Montgomeryshire Status

Recorded from scattered sites throughout the northern half of the county.

Wingspan :   M & F, 11-14mm.

Confusion species

Other species of Swammerdamia group are very similar, care should be taken. The larval mine may help with identification.
Flight time & Voltinity (Univoltine)


Wherever the foodplant is found.


Hawthorn, blackthorn and rose spp.

Lifestage data

Leaf miner/web forming. Eggs laid on the foodplant. Larva first mines the leaf, then feed gregariously two or three to a web. Pupates in a white cocoon spun to a twig or leaves.
Montgomeryshire photos

Photo by MDH, 2nd July 2009, Llanfyllin