Leaf-miner:
Full depth, broad, transparent, brown, corridor that descends from
the leaf tip along tje leaf margin. Frass in a stripe along the
outer side of the mine. The mine ends in a round excision (Bladmineerders van Europa).
Larva: The larvae of beetles have a head capsule and chewing mouthparts with opposable mandibles and lack abdominal legs (see examples).
Pupa: The pupae of beetles have visible head appendages, wings and legs which lie in sheaths (see examples).
Hosts in Great Britain and Ireland:
Hosts
elsewhere:
Time
of year - larvae:
May-June and August (Hering,
1957).
Time
of year - adults: April and July-August (Augustin, 1998a).
However, Scherf (1964a) states that there is but one generation
per year (Bladmineerders van Europa).
Distribution
in Great Britain and Ireland: East Kent, North Hampshire and West Suffolk
(NBN
Atlas).
Distribution
elsewhere: Widespread in continental Europe including Bulgaria,
? Corsica, French mainland, Germany, Italian mainland, Moldova,
Poland, Romania, Russia - East, Slovakia and Yugoslavia (Fauna Europaea).
NBN Atlas links to known host species:
Populus
nigra, Salix
fragilis, Salix
pentandra, Salix
pupurea, Salix
triandra
British and Irish Parasitoids in Britain and elsewhere: Currently unknown. |