Leaf
miner: Transparent blotch, starting at the leaf margin, quickly turning
brown. Frass in scattered grains (Bladmineerders van Europa).
Larva:
The larvae of sawflies have a head capsule, chewing mouthparts with opposable mandibles, six thoracic legs and abdominal legs (although they may be reduced) (see examples).
Pupa:
The pupae of sawflies have visible head appendages, wings and legs which lie in sheaths.
Pupation outside the mine (Bladmineerders van Europa).
Adult:
Details unknown.
Hosts in Great Britain and Ireland:
Hosts
elsewhere:
Time
of year - larvae: May
(Bladmineerders van Europa).
Time
of year - adults: Currently unknown.
Comments:
Full synonymy and references are listed in ECatSym - Electronic World Catalog of Symphyta.
Distribution
in Great Britain and Ireland: Bedfordshire, Buckinghamshire
and Hertfordshire (NBN
Atlas).
Distribution elsewhere: Widespread in continental Europe including Belgium, Croatia,
Czech Republic, Finland, French mainland, Germany, Italian mainland,
Poland, Russia - Central and Sweden (Fauna Europaea).
NBN Atlas links to known host species:
British and Irish Parasitoids in Britain and elsewhere:
Currently unknown.
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