UK Status
Resident. Widespread but local throughout Britain as far north as
Yorkshire.
Montgomeryshire Status
Few records.
Wingspan
:
M. 22-24mm. F. 28-30mm.
Confusion species
None.
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Flight time & Voltinity
(Univoltine)
Habitat
Still water & slow flowing rivers.
Foodplant
Pondweed spp.
Lifestage data
Aquatic. Eggs laid on foodplant. Larva spins leaves together into an
open web and feeds within, it makes occasional wriggling movements to
aid gas exchange. Pupates in large pinkish subaquatic cocoon attached
to a plant. |
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