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63.116 ~ 1354 ~ Cataclysta lemnata ~ Small China-mark
UK Status

Resident. Widespread and locally common throughout Britain as far north as southern Scotland.

Montgomeryshire Status

A fairly common species on the extreme east and west of the county.

Wingspan :   M. 18-19mm. F. 22-24mm.

Confusion species

Flight time & Voltinity (Univoltine)


Ponds, ditches and reed-beds.



Lifestage data

Aquatic. Eggs laid on foodplant. Larva forms a case constructed from the foodplant, from which it feeds. Pupates just below the water surface in dense white silken cocoon attached to foodplant.
Montgomeryshire photos

Photo by DB, 21st May 2011, Middletown
Pic shows female

Photo by DB, 21st May 2011, Middletown
Pic shows male